author4
1Instructables488Views92CommentsWhitehall, MichiganJoined August 26th, 2015
I'm a lifer and enjoy learning, traveling, museums, the outdoors, repairing/re-using/re-purposing stuff, and universities. I've earned two Bachelors of Science. The first in Chemistry A.C.S. cert. Biochem. and the second Computer Information System with an emphasis on Programming that was originally Systems Analysis & Application Development. I've earned other certifications & licenses including my NSP OEC Technician First Responder and FCC Technician Amateur Radio Operator. As I ... Read More »
  • 10 DIY Alternatives to Off-The-Shelf Electronics Components

    Awesome resourceful inspiration. Thanks for the idea with PVC... never thought of that. For heat sinks recycling video card or CPU ones seems handy also even if you cut them like you did. That is one of the items I find in free CRT's also though are more in the design like yours. Thanks again.

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  • Upcycled Rocket Stove Griddle BBQ + Pizza Oven Attachment

    Finally, got a decent edit of my first instructable up. Was having all sorts of technical difficulties. Thanks for the inspiration and words of encouragement! https://www.instructables.com/id/How-to-Make-a-Dir...Once I get on the farm... I'll make photos of my rocket stove and share like I noted also. Thanks again man!

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  • JamesA41 commented on simpletronic's instructable VHF-UHF RF Sniffer15 days ago
    VHF-UHF RF Sniffer

    Basically, add a frequency counter directly when using or I am thinking coupled, like with a wire wound around a toroidal inductor/transformers ferrite core, to the antenna by having the antenna going through the toroid since is like a DIY directional coupler. There are some cheap frequency counters around $10-20 on eBay now. The Surecom SF-103 looks interesting. This was what I was planning on purchasing if I needed a smaller counter since seems best for the price: https://www.ebay.com/itm/151219799000

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  • Upcycled Rocket Stove Griddle BBQ + Pizza Oven Attachment

    For some reason the second video didn't paste the time point @ 8 minutes in is what I was referring to. Strange as that is in my Clipboard History also with the time. https://youtu.be/uIRTcmR6sSk?t=474

    I'm getting the urge to make silica glass and am thinking I'm going to go get the materials tomorrow to make some. I do have perlite and some sources to make carbon here and am wondering how that liner will hold up. I can use some silica glass also to seal some brickwork too at the house I'm working on. In regards to the stove design; just noticed a difference, in the intake can tube... I cut a section maybe 1/8-1/4 the circumference of a can and placed with a bend at the bottom piece (~2 pieces in length, the height of the can ea. trimmed for the intake length and less than the exhaust tube diameter) bent as a grate to get intake air to the area around the burn area at the base of the exhaust pipe combustion area with the other end running along the intake bottom as an air intake unde...

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    I'm getting the urge to make silica glass and am thinking I'm going to go get the materials tomorrow to make some. I do have perlite and some sources to make carbon here and am wondering how that liner will hold up. I can use some silica glass also to seal some brickwork too at the house I'm working on. In regards to the stove design; just noticed a difference, in the intake can tube... I cut a section maybe 1/8-1/4 the circumference of a can and placed with a bend at the bottom piece (~2 pieces in length, the height of the can ea. trimmed for the intake length and less than the exhaust tube diameter) bent as a grate to get intake air to the area around the burn area at the base of the exhaust pipe combustion area with the other end running along the intake bottom as an air intake under the wood bundle. I'm thinking a screen would be better or holes in that section to improve air circulation under and not just around. I like your design more since looks like is easier to clean. I have to keep in mind. They are amazingly more energy efficient than a fire. Thanks for the inspiration for the next build!

    Great resourceful use of materials. I started off with a bean (intake) and smaller diameter coffee can "LV" design also with an "L" built and never used. I recently placed mine in hard firebrick and filled in the gaps with a perlite clay mix that I was going to originally when scaling up use silica glass perlite to encase. The cut off saw got my attention too. Interesting reciprocating hacksaw like design. How were you thinking of doing refractory in the grill area? Like I wonder if a clay perlite liner wouldn't hurt or a bottom with silica glass and perlite? Maybe even a smaller layer of something like a finer an oxide with silica glass coating. Top layer or underside of the grill may hold heat better with a graphite and silica glass mix to form a silica ca...

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    Great resourceful use of materials. I started off with a bean (intake) and smaller diameter coffee can "LV" design also with an "L" built and never used. I recently placed mine in hard firebrick and filled in the gaps with a perlite clay mix that I was going to originally when scaling up use silica glass perlite to encase. The cut off saw got my attention too. Interesting reciprocating hacksaw like design. How were you thinking of doing refractory in the grill area? Like I wonder if a clay perlite liner wouldn't hurt or a bottom with silica glass and perlite? Maybe even a smaller layer of something like a finer an oxide with silica glass coating. Top layer or underside of the grill may hold heat better with a graphite and silica glass mix to form a silica carbide layer? Thanks for sharing!

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  • JamesA41 commented on darbinorvar's instructable Building a Modern Privacy Fence19 days ago
    Building a Modern Privacy Fence

    Neat instructable. I was planning on building a similar design using steel posts on a footing that went down below the frost line for here in Michigan (4ft+). I needed this depth at least for the height I required. I also was considering to save on steel wall... scrounging around for fields stone and building 4ft of the wall out of stone to add more strength too... if not at least around the posts. When I spoke to some of the farmers in the area... they mentioned like a farm or two in the area growing fruit or vegetables... that I'd want to consider going higher than 8ft and maybe even 10ft to prevent deer from jumping over which seemed really tall. I wound up working elsewhere for now and haven't gotten past the test bed plots at the farm for now... of course... which all get eate...

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    Neat instructable. I was planning on building a similar design using steel posts on a footing that went down below the frost line for here in Michigan (4ft+). I needed this depth at least for the height I required. I also was considering to save on steel wall... scrounging around for fields stone and building 4ft of the wall out of stone to add more strength too... if not at least around the posts. When I spoke to some of the farmers in the area... they mentioned like a farm or two in the area growing fruit or vegetables... that I'd want to consider going higher than 8ft and maybe even 10ft to prevent deer from jumping over which seemed really tall. I wound up working elsewhere for now and haven't gotten past the test bed plots at the farm for now... of course... which all get eaten or at least chowed on for the most part. I can see why my family did poultry, sheep and cattle last on the farm. :-) Thanks for sharing.

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  • Homemade Incandescent Light Bulb - 自作の白熱電球

    Awesome instructable and great detail that is comprehensible. Thanks for the photos and sharing. I wonder what are the details for the specifications to make the 100 yr+ lasting in operation light bulbs? Seems you have identified details to help the light bulbs last long already. Cool other designs also I see in one of the photos. Neato!I'm thinking you've seen before... though here is a link if not:https://en.wikipedia.org/wiki/Longest-lasting_ligh...Here is another interesting use for a light bulb that I recently read about other than florescent (and I guess neon) bulbs being used as plasma antennas:

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  • Fixing a Monitor With a Breadmaker: AKA Don't Throw It Out!

    Way to go! I'm amazed how many free devices can be found on Craigslist, Offerup, Letgo and other site or places that are just a drive away and I've even seen where some advertise they'll delivery for free or a small fee. iFixit is a great reference for guidance on how to repair as I've tried to update some of the repairs I've made (jafinch78) as well as really poorly documenting on Youtube. Sometimes, the same repairs can be performed replacing diodes, transistors and maybe other components on other boards if not just determining which board is bad and swapping the board out kind of like replacing boards on a desktop or laptop computer. Keep it up. I happen to be at the library waiting for my Prius being serviced after just picking up a 50" Sony Bravia TV to repair and restore....

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    Way to go! I'm amazed how many free devices can be found on Craigslist, Offerup, Letgo and other site or places that are just a drive away and I've even seen where some advertise they'll delivery for free or a small fee. iFixit is a great reference for guidance on how to repair as I've tried to update some of the repairs I've made (jafinch78) as well as really poorly documenting on Youtube. Sometimes, the same repairs can be performed replacing diodes, transistors and maybe other components on other boards if not just determining which board is bad and swapping the board out kind of like replacing boards on a desktop or laptop computer. Keep it up. I happen to be at the library waiting for my Prius being serviced after just picking up a 50" Sony Bravia TV to repair and restore. Nice because this is a 120Hz refresh rate 1080p system also. We can even take the older plasma TV's with metal cases and retrofit with LED/LCD screens and there is room for more than one computer motherboard to fit with a KVM switch so the system can be made to have the case as a heat sink with added heat sinks if required, a power supply mounted on if doesn't fit inside and be all in one systems wall mounted with bluetooth mouse and keyboard. Just a thought for creative inspiration. Thanks for sharing!

    I forgot to mention Fixya (www.fixya.com), Babcaps (https://www.badcaps.net/forum/showthread.php?t=25836) and just Google searching and researching videos even can find leads and methods to check the specific makes and models of TV's and maybe other devices since reads like there was a period of fake or really low quality capacitors coming in the U.S. from a period of time.

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  • JamesA41 commented on joebuild's instructable Compost Tumbler Sifter7 weeks ago
    Compost Tumbler Sifter

    Neat idea for sure. I've been thinking about making a classifier over the years, more for aggregate, and this got me thinking about doing the same though with a metal or maybe plastic barrel if I need extra support. Great inspiration for cleaning topsoil also. Seems like your design will work up to a certain rock size. Thanks for sharing!

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  • JamesA41 commented on Rundhall's instructable Pocket Power Supply2 months ago
    Pocket Power Supply

    Nice compact design. I've thought about doing the same using the SEPIC Cuk 12V 5V -12V -5V 3.3V Mini Power Supply. Thanks for the inspiraction.

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  • JamesA41 commented on theskashow's instructable Customizable Pack Frame2 months ago
    Customizable Pack Frame

    Great call. I have an aluminum frame pack (technically was my brothers and not sure what happened to mine that I last used for hiking Isle Royal in my early teens) where I actually used a really luxury padded golf club back strap as the hip belt pad. Smart idea in making the pack ergonomic in design to contour the users profile with a hip belt attachment system and even a lower back pad. Shoulder strap extra padding is nice also as well as the chest click to be able to put tension on the shoulder straps at the chest level.

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  • Let's Build Your Simple Dome With "PLLWS"!

    Your welcome. Seems like a patent able idea also and way more simple. The idea has me thinking about using wattle to weave between the poles and then clay to make walls. Technically, I was even thinking if the clay is thick enough... a large kiln could be constructed in this way where the whole structure is fired and then buried even to insulate more. Thanks again, way awesome!

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  • JamesA41 commented on theskashow's instructable Customizable Pack Frame2 months ago
    Customizable Pack Frame

    Great job. Neat seeing a project that is practical that can with materials we can harvest out in the woods also. I've been wondering about using carbon fiber golf clubs for projects other than antennas, masts and frames and this gave me an idea for their use.

    Haven't figured out the best joint yet. I was thinking maybe 3D printing connection cores and vacuum carbon fiber resin heat cure over. I've seen done with compressed air pressurized to be rigid inner bladder cores also, though would need to be such small diameter, I'm not thinking is as feasible. Might be easier with wood cores (should add strength with resin) and just using tape to compress the carbon fiber resin instead of using a vacuum.

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  • Let's Build Your Simple Dome With "PLLWS"!

    Neat design. I've never seen this method before. Thanks for sharing. I'll post this here also since this is another novel method for connecting that I've seen for larger domes, though not as environmentally friendly as yours is:Here is a neat video on types of domes that came to mind when I saw your instructable:

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  • JamesA41 commented on sun.'s instructable Ultralight Foldable Backpack2 months ago
    Ultralight Foldable Backpack

    Is cool, not sure if random or not, that the latest instructables email notes this silicone method to waterproof that I have the silicone literally on my bench for some boots, sandals and gloves repair. The mouse over link method isn't co-operating for some reason: https://www.instructables.com/id/Easy-Waterproof-Clothing/?utm_source=newsletter&utm_medium=emailWondering how would work to waterproof nylon or polyester fabric materials also. Interesting methods using wax in the comments also.

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  • JamesA41 commented on sun.'s instructable Ultralight Foldable Backpack2 months ago
    Ultralight Foldable Backpack

    I thought this was made at first glance with silpoly ripstop... though is a nylon ripstop. Have you ever worked with silpoly since more waterproof I've read if you find the quality material? Any advice if so? Thanks in advance and nice project.

    Hi ya, your very welcome. Thanks for sharing the design and intricate detail, that is great inspiration. I had to look at what the material name was before I commented, since I was thinking polysil. That name looks like something different. Thanks for the link. I'm not finding the supplier online I ordered from when I ordered the closest to coolmax material, poly lycra, I found when I was making a warm weather sleeping bag cocoon and for the silpoly possibly a bivvy sack and more recently a canopy for tailgating/camping with the back of the hatch or cap open. Wound up using the polylycra for curtains in the Prius also since had the UPF50+ rating. Here is a link to what I found on Google for the latest silpoly material and they have ripstop nylon also and ship international. I do rec...

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    Hi ya, your very welcome. Thanks for sharing the design and intricate detail, that is great inspiration. I had to look at what the material name was before I commented, since I was thinking polysil. That name looks like something different. Thanks for the link. I'm not finding the supplier online I ordered from when I ordered the closest to coolmax material, poly lycra, I found when I was making a warm weather sleeping bag cocoon and for the silpoly possibly a bivvy sack and more recently a canopy for tailgating/camping with the back of the hatch or cap open. Wound up using the polylycra for curtains in the Prius also since had the UPF50+ rating. Here is a link to what I found on Google for the latest silpoly material and they have ripstop nylon also and ship international. I do recall, there was debate over quality and somewhere a review of a few different brands where only one was really waterproof. I've recently thought about using for canoe spray skirts also instead of a heavier marine canopy material. Great instructable.Thanks again for the insight.

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  • JamesA41 commented on zimitt's instructable Spot Weld Plastic2 months ago
    Spot Weld Plastic

    Looks great, good ideas and advice. I've used aluminum duct tape on the opposite side welded to hold together and reflect heat.Is interesting to see some instructables and youtube videos where plastic bags, PVC pipe, and now milk jug material is being recycled and re-used into different forms. Either using a heat gun and press or heated press to make flat sheets and form or filling tubes with sand and shaping... these different methods are interesting and I'd like to try one of these days. I have personally found plastic welding a more common go to method rather than an adhesive now days. I picked up a cheap harbor freight plastic welding kit to repair the Prius bumper guard and fender after a coyote, then deer about a week later, impact and ultimately decided my old wood burner or ...

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    Looks great, good ideas and advice. I've used aluminum duct tape on the opposite side welded to hold together and reflect heat.Is interesting to see some instructables and youtube videos where plastic bags, PVC pipe, and now milk jug material is being recycled and re-used into different forms. Either using a heat gun and press or heated press to make flat sheets and form or filling tubes with sand and shaping... these different methods are interesting and I'd like to try one of these days. I have personally found plastic welding a more common go to method rather than an adhesive now days. I picked up a cheap harbor freight plastic welding kit to repair the Prius bumper guard and fender after a coyote, then deer about a week later, impact and ultimately decided my old wood burner or soldering iron were just as effective and maybe more durable as the harbor freight iron bent over time. Funny, is after the deer impact I decided to use high temp glue gun as a quick fix that is still holding strong since I had an inverter and glue gun with me. I do touch up now and then the clear heavy duty packing tape to lower drag and as a backup binder.Using the same type material is definitely the way to go. I use more a method like I learned with metal welding and in some cases use a wire mesh (stainless steel preferably or aluminum works too) to iron into the seam if more strength is needed. Other times I'll try to wake some plastic from another area not noticeable and melt into the area to build up more if a weaker spot since maybe was why cracked. For the Prius, I went to a self service salvage yard to find more material. I use the heat gun to form back into shape and then as I mentioned above to weld the seams together.

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  • JamesA41 commented on jessyratfink's instructable How to Make a Friendship Bracelet3 months ago
    How to Make a Friendship Bracelet

    I was cleaning out my old room I made in the basement in high school and threw out some of the bead making (I kept the choker jig for some reason), bracelet and craft stuff. There was a period where I had to learn every hobby and craft, including what the ladies were doing (there were a few experiments I didn't try for sure that are just for the girls).

    Seems like I'd use a thumb tack for these style bracelets or tie to something and jam in the desk since I'd make in class sometimes. I forget what age range... like junior high maybe?

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  • JamesA41 commented on anamarcondes's instructable USB FOAM CUTTER - USB STYROFOAM CUTTER3 months ago
    USB FOAM CUTTER - USB STYROFOAM CUTTER

    Neat idea for a portable cutter. Would be interesting to do the math to see what the size limits are for what can be made now portable with the newer lithium battery packs since are lighter.

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  • JamesA41 commented on valentinepeter's instructable Portable Demand Use Hot Water Shower3 months ago
    Portable Demand Use Hot Water Shower

    I camped out of my Prius a bunch and still do on occasion... thankfully, I have no sweat glands and not much for sebaceous... though do have where I have hair so I can get away with towel wash. I was thinking making one of the flat black painted solar PVC pipes that can be pressurized also with a bike or whatever pump if I have a partner camping though. I did think about this idea also, though more-so for the farm to preheat the water since a girlfriend of mine uses on their farm for cold weather water preheating when the solar preheating pond isn't hot enough. Neat design and thanks for sharing. Be careful with the tanks if you refill since I think a brass safety cap needs to be designed and marketed since I've found even new tanks can leak.

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  • JamesA41 commented on Niko_96's instructable Rewinding 3 Phase Motor4 months ago
    Rewinding 3 Phase Motor

    Awesome, thanks for the detail!

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  • DIY Grid Tied Inverter (doesn't Feed the Grid) UPS Alternative

    Great article and fun project. Interesting seeing similar kit used over there (I'm in the U.S.). I just invested in some SunPower solar panels where the vinyl was peeling/bubbling, the Victron 75/15 with integrated bluetooth plus bought one of the cheapo CPT-LA10 for the SunPower solar cells I picked up cheap due to a lower grade look to make some lower voltage panels. Wondering about making a system to relay the bluetooth data to wifi or cell. Probably an app is on the market or might be a custom app opportunity to use a cellphone as a relay so can transfer via wifi and even GSM/CDMA/TDMA/et.al/.I've also been wondering about running copper coils or a heat transfer plate behind some panels or custom panels to transfer the heat to pre-heat water. Ever seen that over there or know an...

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    Great article and fun project. Interesting seeing similar kit used over there (I'm in the U.S.). I just invested in some SunPower solar panels where the vinyl was peeling/bubbling, the Victron 75/15 with integrated bluetooth plus bought one of the cheapo CPT-LA10 for the SunPower solar cells I picked up cheap due to a lower grade look to make some lower voltage panels. Wondering about making a system to relay the bluetooth data to wifi or cell. Probably an app is on the market or might be a custom app opportunity to use a cellphone as a relay so can transfer via wifi and even GSM/CDMA/TDMA/et.al/.I've also been wondering about running copper coils or a heat transfer plate behind some panels or custom panels to transfer the heat to pre-heat water. Ever seen that over there or know any reasons why not to? I've even seen some using earth batteries using salvaged metal, i.e. copper and zinc/galvanized in PVC pipe. Probably can do the same with nickel and iron or other dumpster/scrap yard metals.

    Thanks, good call. Yeah, the factory premade are so much more the way to go. I guess on instructables and watching the videos I linked below with someone sharing there earth battery solar system with me recently... I commented. I made the comment on this link: Here's the link to the original "How to Make it" video. https://youtu.be/aCCK132OIGAHere's my comment:I didn't know desertsun02 made an earth battery also, thanks for sharing. Way neat... though must be more challenging in the desert to maintain compared to other soils. Kind of like ground plane differences in dryer soils. Here is are some examples of different uses and scales:Integrated with solar system: https://www.youtube.com/watch?v=OI_Kdj1Bb_k Large voltage example (~175V): https://www.youtube.com/watch?v=Ffb...

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    Thanks, good call. Yeah, the factory premade are so much more the way to go. I guess on instructables and watching the videos I linked below with someone sharing there earth battery solar system with me recently... I commented. I made the comment on this link: Here's the link to the original "How to Make it" video. https://youtu.be/aCCK132OIGAHere's my comment:I didn't know desertsun02 made an earth battery also, thanks for sharing. Way neat... though must be more challenging in the desert to maintain compared to other soils. Kind of like ground plane differences in dryer soils. Here is are some examples of different uses and scales:Integrated with solar system: https://www.youtube.com/watch?v=OI_Kdj1Bb_k Large voltage example (~175V): https://www.youtube.com/watch?v=Ffb78oXeiGISmall voltage with operating example: https://www.youtube.com/watch?v=LubSVJAmjg8&t=72s

    Pardon the typos... man... tea kicked in and forgot to edit before clicking the Reply button.

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  • Convert a 1980s Video Camera Into a Real-Time Polarimetric Imager

    Awesome prutchi. Amazing the high quality optics and older components available now at really reasonable prices and are able to be worked on without a stereomicroscope or other micro machining tools. I think using the newer sensors on the older optics is neat and I've done so to make an DSLR (logitech C920 webcam using CS adapter to Minolta lens https://www.youtube.com/watch?v=nESATVNA33o as well as polarizing, UV-Vis and IR filters) and just yesterday received the microSD card for the parts ~$40 Hero Session (I think there are few more for ~$54) that is working that I am planning to convert to DLSR. I've not seen anything like you have done before and is really neat. Thanks a lot for sharing.

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  • JamesA41 commented on MaxPower1977's instructable Portable Camping and Surfing Shower6 months ago
    Portable Camping and Surfing Shower

    Awesome idea! I've read about this being used for kids with hypohidrotic or anhidrotic ectodermal dysplasia (can't sweat). Neat idea to use as a shower also. Please advocate the use for those that don't sweat and maybe even wouldn't hurt athletes and the elderly or others during heat waves. Some do die from overheating. Thanks for sharing!

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  • JamesA41 commented on Anupam_kris's instructable DIY Camera RIG6 months ago
    DIY Camera RIG

    About 15 years back when I lived next to Saugatuck and was into photography way more and being motivated to get into shooting video, I was going to make something similar (I wound up making a dual grip shoulder rig with a counter balance battery behind me out of 80/20) and a little boom mount over the camera for audio and potentially lighting. The idea of using PVC is great. Can dampen motion a little also. The idea like you have and I was contemplating was more a reverse backpack style or backpack with front mounts for more a gyro like mount where there is one more axis to pivot to be level with the horizon and the whole rig hangs from the part that I never got around to finalizing. I thought two fishing poles over each shoulder with lines down on each side or hanging from one ove...

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    About 15 years back when I lived next to Saugatuck and was into photography way more and being motivated to get into shooting video, I was going to make something similar (I wound up making a dual grip shoulder rig with a counter balance battery behind me out of 80/20) and a little boom mount over the camera for audio and potentially lighting. The idea of using PVC is great. Can dampen motion a little also. The idea like you have and I was contemplating was more a reverse backpack style or backpack with front mounts for more a gyro like mount where there is one more axis to pivot to be level with the horizon and the whole rig hangs from the part that I never got around to finalizing. I thought two fishing poles over each shoulder with lines down on each side or hanging from one over head hook basically from bungy cord if not directly mounted on my chest... though I like the counter balance ability behind your back. Your design is similar basically... other than if shooting higher up from the ground you can use a longer arm for the balance weight that will help smooth motion and adding another "U" piece with the end mounted with 90 degree ends facing in where your existing bearing go with a bearing pivot point at the middle/bottom of the "U" with a "T" piece to level out horizontal motion. Then mount to your bracket and if long days of filming... the pack options help even more to buffer body movement and balance the load to distribute more comfortably. Neat to see. I haven't seen much for booms or rigs on here.

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  • JamesA41 commented on audreypeer's instructable Low-Cost Research Glove Box6 months ago
    Low-Cost Research Glove Box

    Awesome! I'm guessing this is for something biological work as I am thinking one of the above was thinking regarding organic/inorganic/organo-metallic chemistry when thinking about pressure and inert atmosphere purge. Thanks for sharing! I do wonder if there is a pressure concern for optimization also with biologic work which gets me thinking maybe even running a vacuum on the inside to make sure all the VOC's have evacuated the materials after built prior to using to be safe to avoid cross contamination.

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  • Outdoor Kitchen - Casting Concrete Worktop With Curved Edges

    Awesome build. I'm thinking I might copy this design with field stone facade for the base face. I was wondering about using sheetrock or fiberboard instead of plywood underneath since making at camp. Any thoughts, suggestions and/or concerns?

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  • JamesA41 commented on bennelson's instructable Ammo Can Solar Power Supply7 months ago
    Ammo Can Solar Power Supply

    Neat project! I just ordered two ammo cans from eBay about two weeks ago. two(2) Fat 50 (SAW) Ammo Can Box Used Empty - Very good condition US military Planning on making a rocket stove with one and something electronics project related with the other. Now I have some inspiration as this can be coupled with a radio kit with the right solar panels or use the radio with the solar panels disconnected (have to see what the charge controller adds for noise). Since someone asked the question above, I was thinking using with Lithium INR batteries or salvaged laptop Lithium batteries.Thanks!

    Yes, however, you need to make sure you use a charge controller for lithium ion batteries or any battery chemistry you want to use. This will assure optimal life cycle and use of your batteries. Keep in mind also, with lithium ion batteries over protection fault circuitry is needed unless maybe INR or LiFePO4 style.

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  • JamesA41 commented on Creativity Buzz's instructable Bicycle Mobile Charger8 months ago
    Bicycle Mobile Charger

    Way economical super simple design that can be made with salvaged/re-used parts with the right motor/gearing I'm thinking. You can even add the TP4056 and a battery like in this design for a buffer controller circuit: https://www.instructables.com/id/DIY-Solar-Battery-Charger-1/

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  • JamesA41 commented on Tarantula3's instructable DIY - Solar Battery Charger8 months ago
    DIY - Solar Battery Charger

    Super simple design. Cool!

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  • JamesA41 commented on Thingking's instructable Water Saving Toilet-Mounted Basin8 months ago
    Water Saving Toilet-Mounted Basin

    Awesome idea to save water... though I would consider adding a step to leave the main water off until done using the sink or an additional easier to reach main water line to the toilet valve so you can turn on to flush if the waste water isn't filling the toilet water tank. Then you are really saving water use that would normally go down the drain. Being directly above the toilet also, I am thinking if I do something like this is using an oligiodynamic effect type material like maybe a copper sink to help sanitize the area also along with something to sanitize with an extended release in the toilet water tank. Great intent I'm thinking!

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  • JamesA41 commented on Martian Taylor's instructable Make Your Own UFO Balloon-kite!8 months ago
    Make Your Own UFO Balloon-kite!

    Totally awesome!!!

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  • JamesA41 commented on Bob-Bee's instructable Gloves From Old Sweater8 months ago
    Gloves From Old Sweater

    Your very welcome. Thank you for sharing your works, they are great inspiration. You reminded me also of my really cold weather glove liners and the gauntlet like ski glove shell that goes over that I am about to restore, where the rubber cracked, using silicone. Where like we can make ski like gloves or mittens as the waterproof shell to go over your design. Looks like with the ski gloves there is the palm and back of hand outline pattern and then another side ~17mm piece of material that goes from the side of the hand beside the fingers all around. Maybe can be made from old leather purse material salvaged or cordura/denier backpack or suitcase material?I was also thinking that a mylar emergency blanket material layer sewn, or silicone adhesive bonded on the inside can help, as I'...

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    Your very welcome. Thank you for sharing your works, they are great inspiration. You reminded me also of my really cold weather glove liners and the gauntlet like ski glove shell that goes over that I am about to restore, where the rubber cracked, using silicone. Where like we can make ski like gloves or mittens as the waterproof shell to go over your design. Looks like with the ski gloves there is the palm and back of hand outline pattern and then another side ~17mm piece of material that goes from the side of the hand beside the fingers all around. Maybe can be made from old leather purse material salvaged or cordura/denier backpack or suitcase material?I was also thinking that a mylar emergency blanket material layer sewn, or silicone adhesive bonded on the inside can help, as I've seen done with ski boots for really cold weather. Maybe this is better done to shell material before sewing.

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  • JamesA41 commented on blorgggg's instructable Goophene: Hypersensitive Graphene Sensors 9 months ago
    Goophene: Hypersensitive Graphene Sensors

    I was thinking thinning the 100% silicone with mineral spirits prior to mixing additives (like graphite/graphene) similar to this instructable: https://www.instructables.com/id/Easy-Waterproof-C...This instructable reminds me of a Goophene version of this website if any reader hasn't read (way worth checking out): http://produceconsumerobot.com/biosensing/

    I wonder if 100% silicone found in like caulks can be used to not only waterproof clothing... embed the sensors more reliably in clothing and be more cost effective than the fabrics I've seen are on the market now? Awesome instructable, way to show all the applications and details. I'd vote for this for sure if there was a prize category noted.

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  • JamesA41 commented on xxreef's instructable Easy and Cheap PCB Milling9 months ago
    Easy and Cheap PCB Milling

    Great overview and of process and way to use off the shelf components to build CNC. Neat how you can make an Arduino basically from an Arduino other than the electronic components themselves of course.

    At least, I have that thought after watching this that using the Arduino as an ISP to program the copy of the Arduino used in the design. Price of Arduino isn't so much though and may be more cost effective to save time and buy another for specific use. I wound up downloading Fritzing again and copied over, upgraded and downloaded the latest libraries. Am going to actually use now. Thanks for sharing and inspiring! Grazie per l'ispirazione!

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  • JamesA41 commented on wannabemadsci's instructable Failed Car Alternator Work Around9 months ago
    Failed Car Alternator Work Around

    What is practical and actually, not that humorous is, may increase the efficiency of the vehicle is like how this is performed though maybe no on the floorboard with a non SLA/AGM battery. Say a hypothetical situation being experienced in the instructable is you don't have time to charge the battery, the trolling motor battery is charged, you have jumper cables, you need to get to work or somewhere one time. This will work. To perform the energy efficiency method, you can mount the battery in a more secure location with a safer battery and run the wires to be most efficient. Then create some sort of charger system so when you are at a location where you can charge, you can charge the battery. Then you have the added advantage of not using the alternator to cause more drag on the dri...

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    What is practical and actually, not that humorous is, may increase the efficiency of the vehicle is like how this is performed though maybe no on the floorboard with a non SLA/AGM battery. Say a hypothetical situation being experienced in the instructable is you don't have time to charge the battery, the trolling motor battery is charged, you have jumper cables, you need to get to work or somewhere one time. This will work. To perform the energy efficiency method, you can mount the battery in a more secure location with a safer battery and run the wires to be most efficient. Then create some sort of charger system so when you are at a location where you can charge, you can charge the battery. Then you have the added advantage of not using the alternator to cause more drag on the drive train. Seems I read about someone in their truck doing this years ago to max out efficiency of their V8 or diesel. I forget. They decided to not use the alternator. Next would be not using the fan and going with an electric fan system... though many newer makes and models do this already. I was looking at a Dodge Viper fan or Lincoln I forget which model fan for my Dodge Ram 360 V8 at one time and doing a "selectable" alternator option similar to the A/C electric clutch that I never moved forward on as I have other projects. I was thinking I could use a bearing on the shaft with back plate and a pin also as a manual get out and do it method to.

    I meant to say above "...need to get to work or somewhere ON time."Neat instructable also. Something I didn't expect to see on here. Thanks for sharing!

    One final note is I just realized this may actually lower the signals noise on my Dodge Ram I'm modifying out to a radio direction finding (RDF) patrol camper rig. Like this design though with a long bed and not extended cab: http://www.theshelterblog.com/mike-basichs-custom-snowchaser/I'm going to have to investigate doing this again. I am already have two more deep cycle batteries to add with a backup switch to be able to start if the starting battery fails as well as DC and AC chargers. I was going to mount the solar cells permanently though was reading there is more AM noise from the solar cells or at least that is what Toyota noted with the Prius solar roof panel design to charge the main battery.

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  • BalloonSat Stabilization With Compressed CO2

    Since the toxic thrusters are a no go... I was wondering if there can be a light enough package to mix say powdered metal and an acid to create the gas. You'd think maybe an auger as the metal powder valve going into a volume of acid with maybe a scrubber, though probably not needed. For more pressure either the exhaust size can be made smaller or some sort of pressurizing container in between. Not sure if practical due to mass... though is a healthier cleaner way than hydrazine methods. I was almost thinking the same to produce ammonia... though that would be grosser than hydrogen. Seems mass is more also if using other chemicals and gases.I like the ideas of piping from the balloon also... never heard of that.

    A more energenic method would be to use a highly controlled nitrogen release from a similar auger valve (with some sort of combustion chamber check valve design) with an azide or like airbags or primers have. I was thinking about this for another application recently. You'd need a heating coil though to ignite or something mechanical (may be lighter method).

    Way awesome by the way. Really cool project and detailed instructable. Thanks for sharing!

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  • JamesA41 commented on seanhodgins's instructable Arduino Geocache Locator9 months ago
    Arduino Geocache Locator

    Way awesome! Great detail too! Thanks for sharing.

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  • JamesA41 commented on Danger is my middle name's instructable Monkey Hut9 months ago
    Monkey Hut

    This is a neat design, especially if you have the extra pipe lying around.I've built before for hoop house greenhouse use as well as with electricians conduit though don't have photos I can find just yet. The next one I want to build I was thinking about using re-bar throughout the whole length since I am planning a more permanent structure. I read about this style for greenhouses since heat can be an issue and help prevent deformation over time if permanent.I was also thinking pouring a pea gravel or mortar fill down the tubes also to make rigid.For a solid cover design, then the more challenging aspect would be stucco or shotcrete over the maybe burlap cover. I haven't determine this last step yet. I was thinking can use spray foam also and a stucco over that. I've been wanting to...

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    This is a neat design, especially if you have the extra pipe lying around.I've built before for hoop house greenhouse use as well as with electricians conduit though don't have photos I can find just yet. The next one I want to build I was thinking about using re-bar throughout the whole length since I am planning a more permanent structure. I read about this style for greenhouses since heat can be an issue and help prevent deformation over time if permanent.I was also thinking pouring a pea gravel or mortar fill down the tubes also to make rigid.For a solid cover design, then the more challenging aspect would be stucco or shotcrete over the maybe burlap cover. I haven't determine this last step yet. I was thinking can use spray foam also and a stucco over that. I've been wanting to spray foam over a large tent and make a swedish style underground dugout style cabin root cellar. That is where I got this later idea.

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  • JamesA41 commented on mikeasaurus's instructable Easy Waterproof Clothing9 months ago
    Easy Waterproof Clothing

    Right... thanks for the link. I was just noting though that the GE 100% Silicone notes the vapors and the other White Lightening brand doesn't note and only has warnings. I think I'll check if I can find the MSDS to see a quantitative or qualititative formula or otherwise use the paint thinner mineral spirits (I have some paint thinner and have to see what it contains).

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  • JamesA41 commented on bryans workshop's instructable Built-in Kitchen Shelves! 10 months ago
    Built-in Kitchen Shelves!

    Awesome! I did similar in the kitchen with cabinet doors over the shelf on the area where there is a closet behind and the shelves are wall thickness and on the really deep area that goes over the basement stairs. I left open the area where the microwave fit in and added a switchable outlet. I put open shelves on the area above the stairs going down to the basement. Really made use of that space above the stairs for the kitchen and basement stairway. Great idea of using space!

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  • JamesA41 commented on phico's instructable Double Flow Controlled Mechanical Ventilation10 months ago
    Double Flow Controlled Mechanical Ventilation

    Great job! Wow, that is really impressive. I've seen before years ago someone implement something the same idea in, or just outside with the plan to go in partially, their wall stud spacing using corrugated plastic from political campaign signs carefully attached end to end with cuts on each end capped to allow a zig zag (not sure if that is correct term) longer length of flow for heat exchange. I want to say they used geothermal also on the intake using 4" black corrugated drain pipe dug under the frost line zig zagged to with an above ground straight pipe intake with a upsidedown "U" shape pipe end. I'm betting they didn't use a condensation drain though and that's why I can't find online now or who knows. I wonder if on eBay, as I was looking for aluminum sheet fo...

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    Great job! Wow, that is really impressive. I've seen before years ago someone implement something the same idea in, or just outside with the plan to go in partially, their wall stud spacing using corrugated plastic from political campaign signs carefully attached end to end with cuts on each end capped to allow a zig zag (not sure if that is correct term) longer length of flow for heat exchange. I want to say they used geothermal also on the intake using 4" black corrugated drain pipe dug under the frost line zig zagged to with an above ground straight pipe intake with a upsidedown "U" shape pipe end. I'm betting they didn't use a condensation drain though and that's why I can't find online now or who knows. I wonder if on eBay, as I was looking for aluminum sheet for a solar heater, if you can find "trim ends" or "scrap" that is large enough like from "carolinablades" that might save on material. I've also thought about window screen too as a cost effective way and decide aluminum window screen is more cost effective. Maybe a solar heater intake would be a great addition also? Really neat design.

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  • JamesA41 commented on dtrewren's instructable Yaesu FT-450D RF Tap Modification for SDR10 months ago
    Yaesu FT-450D RF Tap Modification for SDR

    Hi dtrewren, Excellent detail and thank you very much for sharing. I was working on modification of a PRO-2006 Scanner and KTR-1661 and planning on performing a similar SDR interface though found that the CPU/Logic board on the PRO-2006 has issues being able to tune where I am not able to input individual frequencies, I'm only able to tune with the scanner process starting from the top or bottom of the frequency range. I didn't get into the feedback circuitry yet to see how the SDR software can tune the scanner (I didn't think the radio is feasible) and will read more into the Omni-Rig Remote Control Software. That looks really neat.Are you aware of any open source remote control software? I am guessing the remote control tuning software process will be something that will require ...

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    Hi dtrewren, Excellent detail and thank you very much for sharing. I was working on modification of a PRO-2006 Scanner and KTR-1661 and planning on performing a similar SDR interface though found that the CPU/Logic board on the PRO-2006 has issues being able to tune where I am not able to input individual frequencies, I'm only able to tune with the scanner process starting from the top or bottom of the frequency range. I didn't get into the feedback circuitry yet to see how the SDR software can tune the scanner (I didn't think the radio is feasible) and will read more into the Omni-Rig Remote Control Software. That looks really neat.Are you aware of any open source remote control software? I am guessing the remote control tuning software process will be something that will require comprehension of the hardware software, command line or firmware code relating to the hardware controls and some sort of process to translate/pass the commands from the SDR software tuning process events to the hardware software/firmware.I haven't yet de-soldered the modifications on the pro-2006 to see if miraculously the scanner will work. Hoping will work then and the current draw goes into specification. Figure some higher power is calling me to learn how to input the individual frequencies and settings on the scanner either way. Again, really awesome detail and excellent instruction! Thanks again for sharing as there isn't much on the internet regarding this interesting way to upgrade older equipment.

    Thanks for the reminder Dave and additional information. I had printed some information from online research when I first received the scanner that I didn't even read into and do have a folder for CS232 and OPT456 that I forgot about. I even have a specification I found somewhere for a OPT535 for a later model. There is a DB-25 port on the unit I have and I had assessed that there is additional memory storage added as another mod, where two switches were added to the back for the different storage banks selection, a tone squelch mod and I forget off the top of my head what the IC socket is on the case.I do recall the IC9 had too high current and last left off there pretty much. I still have to read into some more and assess the device as I think I contracted Valley Fever from it and h...

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    Thanks for the reminder Dave and additional information. I had printed some information from online research when I first received the scanner that I didn't even read into and do have a folder for CS232 and OPT456 that I forgot about. I even have a specification I found somewhere for a OPT535 for a later model. There is a DB-25 port on the unit I have and I had assessed that there is additional memory storage added as another mod, where two switches were added to the back for the different storage banks selection, a tone squelch mod and I forget off the top of my head what the IC socket is on the case.I do recall the IC9 had too high current and last left off there pretty much. I still have to read into some more and assess the device as I think I contracted Valley Fever from it and had other issues I had to attend to that now with the snow on the ground... I am able to get back inside and get back to work on some electronics projects. Here is the details for those that may be interested:https://forums.radioreference.com/radio-shack-scan.... Thanks again Dave, Cheers!

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  • JamesA41 commented on gravityisweak's instructable How to Build a Block Retaining Wall10 months ago
    How to Build a Block Retaining Wall

    Great job. Thanks for the inspiration! I have some foundation which is most likely due to footing issues around the garage work that looks like needs to be completed in the future . I've been thinking about a retaining wall design almost exactly like this as one of the options. I was thinking more for gardening mo... still... thanks for sharing.

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  • JamesA41 commented on printeraction's instructable The Ultimate Guide to Desoldering10 months ago
    The Ultimate Guide to Desoldering

    You can buy tips for the heat guns to change shapes and reduce size. I like to use and adapter that has a 3mm dia adapter on that. I haven't made or invested in an IC/SOIC/FPGA adapter yet, though looks interesting.

    I'm looking at investing in a foot pedal bilge (bellows) pump also to see how that works.

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  • The 16 Brick Rocket Stove - Quick (30 Second) Build - Easy DIY - Simple Instructions

    In my experience if you want a longer burn... use harder wood and larger pieces. You can use charcoal also. Still, these are meant to be energy efficient so I am thinking they will be still more efficient with longer burn times though you will have to feed based on input size burn rate and potential modification (maybe auger, ramp or other design especially with a sloped input versus 90 degree angle). I have a really generic version that worked great with a Goodwill Store gas burner top that I was going to re-do as I had made with pure clay and need to mix sand and perlite more with I'm thinking since the clay cracked so much before I even fired. I'm thinking I like this idea better versus forming around the cans... even if I do use the same form shape. Awesome and simple!

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  • How to Make Cordless Driver Holder From PVC Pipe

    Great idea, thanks for sharing. I have to take the heat gun out today for a different project and if I wasn't on the road working, I'd make this for my workshop. Very convenient.

    I wonder if this idea is marketable?

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  • How to Connect PET Bottles for TrussFab Structures

    Awesome way to re-use waste where recycling isn't available or if user wants to. There used to be links online with someone, I want to say in Mexico since may relate to Mexico City once being a lake where floating gardens and waste merged into land covering the lake, making a houseboat also with yard area on top of bags/nets of plastic bottles. I've never seen anything like this. If you fill them with fluid you could store heat and also to equillibriate your environment slower. My Dad would do that with the hoop houses, green houses and in the basement.

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  • JamesA41 commented on KJMagnetics's instructable Levitating Solar Motor11 months ago
    Levitating Solar Motor

    What is that?

    I found, there is a kit on ebay for #1 and #3. I also found this awesome link that isn't really related though on the 3D printed version of this on another instructable I noted placing in a vacuum with a magnetic clutch. Thanks a bunch for noting! http://www.pbs.org/wgbh/nova/blogs/secretlife/blog...

    Here is a better link that is more pertinent. I've never studied the history of the solar cell. : http://www.beatriceco.com/bti/porticus/bell/belll...Man, can probably make a solar cell now days. I have been encouraged to work for Bell Labs and also study solar cell technology. My focus of encouragement for the solar cells was in regards to my organic synthesis and biochemistry background. Even the foundry experience may be pertinent coupled with Process Analytical Technologies work experience too. DIY high purity silicone would be something else. I need to study electrochemistry, electromagnetism, math and physics more however.

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  • JamesA41 commented on How-ToDo's instructable Solar Mendocino Motor11 months ago
    Solar Mendocino Motor

    Neat. Wonder what the RPM, horsepower and Torque is on this. I'm guessing now I think about after typing we can calculate based on the solar cells, magnets and windings. Be interesting with a flywheel too on a larger scale. Magnetic bearings alone are the coolest. Makes me think there can be a magnetic clutch added to an end where the motor is in a vacuum chamber of glass so as a system to act as a capacitor since could go to high RPM's potentially. Awesome, this is really neat!

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  • JamesA41 commented on SeanB10's instructable Scrappy Hot Wire Cutter1 year ago
    Scrappy Hot Wire Cutter

    Good call. The table top "scroll saw" (or that is the term that is coming to mind to me) type hot wire cutters are new to me. I used to have a hanging or held in my hand 2"x2" 3' long piece of wood with two 1/8" holes drilled in the end perpendicular to the length at a slight outward to the 3' length angle and about 6" of 1/8" metal rod (I forget if was spring steel, piano wire or what from the hobby shop) that was inserted into the holes with maybe 1/2" protruding through the inner angled side. that is where I attached the transformer. I want to say I used a car battery charger even, though I don't recall exactly and am thinking that was for testing faster heating and wasn't controlled enough. The other side used the nichrome or I think I e...

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    Good call. The table top "scroll saw" (or that is the term that is coming to mind to me) type hot wire cutters are new to me. I used to have a hanging or held in my hand 2"x2" 3' long piece of wood with two 1/8" holes drilled in the end perpendicular to the length at a slight outward to the 3' length angle and about 6" of 1/8" metal rod (I forget if was spring steel, piano wire or what from the hobby shop) that was inserted into the holes with maybe 1/2" protruding through the inner angled side. that is where I attached the transformer. I want to say I used a car battery charger even, though I don't recall exactly and am thinking that was for testing faster heating and wasn't controlled enough. The other side used the nichrome or I think I even used piano wire with hook bends at the two ends if not loops for the nichrome wire. I think I even put little notches on the 1/8" 6" length pieces maybe 1/16" off the outer angled side bottoms for the wire to seat better. This was for cutting longer length segments of foam for model airplane wings or fuselages. Thanks for bringing back the memories and inspiring for a new build. Your design is really effective.

    Awesome! I have an old Tyco Type 1 AC/DC model train transformer that I used to use. Your improvised design is the best! That is way creative and resourcefully innovative! Thanks for sharing!

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  • Medium Wave AM Broadcast Band Resonant Loop Antenna.

    Excellent improvised design. Maybe even a hoola hoop would work too, though the garden hose is more likely to be found around more common. Thank you for sharing!

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  • JamesA41 commented on randofo's instructable Audio Cassette Loop1 year ago
    Audio Cassette Loop

    This is hilarious! At least for some ideas I have. I never even knew existed. Thank you!

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  • Shop Air Filter Fume Extractor Combo

    Great design and very simple. You can almost make a laminar flow hood when operating in reverse if using a more thorough filter like a HEPA filter and maybe even some other sterilization processes (UV/Ozone/Electrostatic) in the box. Most don't grow mushrooms, though this would of been handy back when my family was growing shiitaki, maitaki and some other fungi. You could also add a glove box for chemical/biological work. Now days I like your design for soldering. I am guessing the filters you made are more cost effective than purchasing? Otherwise, like someone noted below... furnace filters may be helpful though not so chemical/element vapor absorbing is my thought. Thanks for sharing!

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  • Learn to Surface Mount Solder Using an SMD Challenge PCB

    Oh, some soldering pastes are recommended to be refrigerated. High volume I've seen automated pump stations for paste made from glue dispensers. I think on Instructables.com also.

    I actually like the speed of the GIF's. Excellent tutorial! This is I think one of the best Instructables I've read and watched that covers the very basics of SMD soldering. We can search the web for more information on temperature controlled reflow ovens, using heat guns and maybe a wick to clean pads if were more sloppy. Other than that, I can't think of anything at the moment to add. Maybe temp of hot iron and work fast? Thanks!

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  • JamesA41 commented on Natalina's instructable Phoenix Costume Headpiece1 year ago
    Phoenix Costume Headpiece

    Yeah... a lot of information for sure. You reminded me of some tips for sewing leather in this design too. Last winter I started working on leather seat covers with space foam inner padding. I picked up a Singer 44S from Walmart and returned since I found out the way the hides I purchased were tanned in a way I didn't really want on my skin since I have XLHED and sensitive skin. I later found that I can used brain tanned hides that are better when getting wet also as they stay soft when dried. The person I inquired to on Etsy never responded. So I never invested. The brain tanned hides are expensive... though seem best. Do you have any advice or tips on sewing leather? I bought a gamma seal lid for a free 5 gallon bucket to store the leather sewing stuff in. I did pick up some po...

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    Yeah... a lot of information for sure. You reminded me of some tips for sewing leather in this design too. Last winter I started working on leather seat covers with space foam inner padding. I picked up a Singer 44S from Walmart and returned since I found out the way the hides I purchased were tanned in a way I didn't really want on my skin since I have XLHED and sensitive skin. I later found that I can used brain tanned hides that are better when getting wet also as they stay soft when dried. The person I inquired to on Etsy never responded. So I never invested. The brain tanned hides are expensive... though seem best. Do you have any advice or tips on sewing leather? I bought a gamma seal lid for a free 5 gallon bucket to store the leather sewing stuff in. I did pick up some poly lycra for window treatments that I made and I still use in the car. I was going to sew a sleeping bag cocoon also with the remainder of the material. Also, with the SPF50+ light weight materials, I wasn't sure about details for sewing. I still have to research sewing the clima-lite, coolmax and polylycra materials. Any suggestions for the two extremes, i.e. leather and poly-lycra?

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  • How to Use a Pressure Cooker (and Choose Which One to Buy)

    Great instructable. I'm going to have to look into the induction heating pressure cookers. That seems interesting. I have a Power Pressure Cooker XL that I like, though isn't like the old fashioned college day version. However, I like the combination of being able to use as a crock pot especially for roasts.

    What brands of the induction models do you use? I was thinking for on the road using a pressure cooker and I forgot about the time to warm up on top of cooking time when I invested in the Power Pressure Cooker XL. Work's great as a crock pot also... though I do like the older versions on the stove top. Would be nice to have something made out of stainless steel to and not have coatings that have flourine. Now I am looking back at induction and can use some advice.

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  • JamesA41 commented on emilygraceking's instructable Stress-Reducing Weighted Blanket1 year ago
    Stress-Reducing Weighted Blanket

    Awesome design and I like the comment on seam improvement too. I was thinking other materials potentially for emf shiedling. Other than noise, mylar will work. Does anyone know are there leaded sealed beads? I know, that's gross... though may have a market for some.

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