Instructables: question - workshop Sat, 25 Feb 2017 04:23:09 PST BLOX v1.01 Is it possible to make a big acrylic block (as big as 40" * 40" * 40") with resin casting? JavadK7 I wanna make a big transparent block . It should be really transparent. Can resin casting help in this case? if not, what is the best way to do it?
By: JavadK7

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Wed, 22 Feb 2017 04:24:11 PST
Polyurethane Belt Splicing Suggestions ? iceng I'm looking into making my own round poly urethane pulley belts. Durabelt  sells splicing kits, sometimes called welding kits. I can hack together the tooling if necessary but I need a price reasonable source on the urethane round stock. Has anyone seen an an...
By: iceng

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Mon, 20 Feb 2017 23:25:42 PST
My timing belt broke recently, i replaced the belt, replaced the valves checked the pistons and all in good order. dagai With all that in order the car does not start and makes a weird sound like a vacuum cleaner , so no compression. What can be the problem and can this be restored ? Please help. Polo Playa 1.4, 2001 model
By: dagai

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Mon, 20 Feb 2017 10:50:50 PST
how to test LOTS and LOTS of batteries? -max- We have 420 panasonic 2800mAH 3.7V 18650 batteries, which we plan to use in a solar car. I was wondering if anyone is aware of how to many of these at a time. Many of the commercial "capacity tester 18650" online appear to only test a cell at a time. This would take way too long. We need to ensure ...
By: -max-

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Fri, 17 Feb 2017 19:27:32 PST
I have a motor with a Watts of 145, Volts 230 and RPM 6500. I want to control the speed of that SuneeshR1
By: SuneeshR1

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Thu, 16 Feb 2017 17:48:55 PST
Best non-lithium battery technology -max- Hi Instructables community! I am looking for any insight / suggestions regarding what battery technology (non-lithium) that offers the best specific energy (MJ/Kg), preferably rechargeable and reliable. My research led me to looking to consider rechargeable alkaline batteries, given data on wikipedi...
By: -max-

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Wed, 15 Feb 2017 07:44:53 PST
What is this item? SandyF42 A friend gave this to me, wanted me to find out what it is. I have no idea, she was a bit creeped out by it. It's small, as you can see, sitting on counter in front of coffee pot. When it sits right side up, it looks like a goats head, and upside down it looks like an old man with beard. Someone sug...
By: SandyF42

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Tue, 14 Feb 2017 21:50:18 PST
How to ballast an MOT with another Mot and have it to have resonance at the same time? TaeronR So I have two MOTS and 3 MOC'S (microwave oven capacitors) and I'm wondering how I can wire it to be ballasted and to also have resonance at the same time.. If that's possible.. Because I'd like to have it ballasted but ballasting limits current which in turn gives you smaller arcs so I want to wire...
By: TaeronR

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Tue, 14 Feb 2017 09:56:16 PST
How would I determine the pressure limits of an acrylic tube of arbitrary size and thickness? TheIronHobo I am creating a vacuum chamber with an acrylic tube that is 4 inches in diameter and 1/4 of an inch thick. How would I determine the pressure limits of my pipe? Is there a formula for pipes of arbitrary size and materials? Much thanks.
By: TheIronHobo

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Mon, 13 Feb 2017 21:24:48 PST
How many amps does a car battery have BridgetP13
By: BridgetP13

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Fri, 10 Feb 2017 02:02:58 PST
Do you know what this is? I think it's an old tool of sorts. joseph.walsh1234  Any idea what the tool (I think it's a tool) is below? 95% of it is rounded..towards the bottom, where the fingers are it starts becoming 2 sided (very slow transition). It's about 18" in length and 6" diameter at top. It was found on an old farm in up state NY.
By: joseph.walsh1234

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Thu, 9 Feb 2017 11:53:26 PST
current or voltage for rail gun? LorenzoD38 Hello i've ben wanting to make a powerful rail gun. I have ben checking out capacitors but don't know which one to buy. what my main question is, should i get a high capacitor with high voltage discharges? or should i get a high voltage capacitor? will this capacitor work? (
By: LorenzoD38

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Wed, 8 Feb 2017 12:38:50 PST
Tooth Pick Bird? don doerner I entered all of the information and pictures after every step and saved my work with your program. What happened to it or how can I find it?
By: don doerner

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Wed, 8 Feb 2017 07:54:27 PST
What is this? For polishing? Yonatan24 Anyone know what this is? I'm guessing that it's supposed to be powered by a drill and used with buffing compound for polishing. Thanks! Pictures: 
By: Yonatan24

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Sat, 4 Feb 2017 04:23:10 PST
What is the function of "Enable Input" pin in a multiplexer? JalanshM I was studying Multiplexers and I found this term in the circuit. I cannot understand what is it used for.
By: JalanshM

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Fri, 3 Feb 2017 20:26:20 PST
Forge using wood? HenryFrapp I'm building a brake drum forge, and coal obviously is the fuel of choice. I understand some guys use lump charcoal which they say works well, because anthracite or bituminous coal is hard to come by in some places-- like where I live. Has anyone used just plain, good old fashioned wood? Or has anyo...
By: HenryFrapp

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Fri, 3 Feb 2017 11:39:11 PST
floor jack goes up ok but won't hold white23 I have replaced the o-rings and replaced the hydro oil pumps up a lot better than before but will  not hold also how to adj the air the one you are not to mess with 
By: white23

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Thu, 2 Feb 2017 12:53:37 PST
White Glue problem Luziviech Does anyone know how to remove white glue from a fixed chair? I'm fixing chairs for a pub around, but lately interchanged the wood pieces of the upper left and right. I noticed this 6hrs later, when it was too late to disassemble/tear things out. I know, basically it's possible to do so with water o...
By: Luziviech

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Wed, 1 Feb 2017 06:49:38 PST
please help!!! me out guys. I am not getting the data sheet of the transistor BQD882 P03. mackblend If any body knows any small piece of information regarding it then please let me know as soon as possible. I will be thankful to you if u help me out.
By: mackblend

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Mon, 30 Jan 2017 08:24:48 PST
can I down load classes?? harry shaboogy I have had a stroke, comprehension pooooor,  Can I down load classes to my computer, and do as feel up to it???? If so, how to d/l video's????? Will it help if I buy Prem plan??? Harry Shaboogy
By: harry shaboogy

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Sun, 29 Jan 2017 18:14:35 PST
what is the premium price for upgrade ? bourbonman46 what is the premium price for upgrade
By: bourbonman46

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Sun, 29 Jan 2017 06:23:11 PST
Why won't this work? Josehf Murchison See image
By: Josehf Murchison

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Mon, 23 Jan 2017 13:58:55 PST
Powerful food sealer, homemade - anyone interested building one? Downunder35m After finding out my favourite catch of a good fishing day won't fit into any normal foodsealer bag or tube I wasted a few hours thinking about the problem.... These normal food sealers are like an injet printer - you pay the real price through the consumables. And with those I already noticed cheap...
By: Downunder35m

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Fri, 20 Jan 2017 22:40:23 PST
What is a material that can be molded and drilled into once cured? shlockp Hello, I am currently working on a project where a plastic rim needs to be filled in. The area where the inner tube would normally go needs t be completely filled in and drilled into once it is cured. This is a ...
By: shlockp

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Fri, 20 Jan 2017 16:15:21 PST
What is a moldable material that can be drilled into? shlockp Hi all, I'm a student working on a project, and i've run into a bit of a problem finding a material such as an epoxy or resin that can be molded to fit a groove, and be drilled into once dry. I have a plastic rim that I would like to fill in the grove where the inner tube would normally be.  https...
By: shlockp

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Fri, 20 Jan 2017 15:39:15 PST
Replacement suction motor housing? Stan1y I have a couple of motors and fans from domestic vacuum cleaners that got their casings damaged beyond(main user acceptable) repair. Having just started using a router, my next project has to be a cyclonic dust collector. Rather than used the current domestic vacuum I'd like to utilise one of the sa...
By: Stan1y

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Mon, 16 Jan 2017 10:54:40 PST
rewind Solenoid? lam.huuminh.3 Dear All .. My original solenoid winding by awg 30 magnet wire,  now I would like to  rewind new  with 2 x awg 33 So please help me to know : -The new (2x awg 33 )  they power as identical  as  1x awg 30  magnet wire? Thank you so much .
By: lam.huuminh.3

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Sun, 15 Jan 2017 15:26:16 PST
Installing LED strip lights under deck railing using batteries. Kashmerem Hello! I would like to install roughly 5.5' Of LED strip lights beneath my deck railing for nightime use. Can anyone recommend an LED strip lighting system with the appropriate specs to light the deck beneath and the battery set up needed for such a system (preferably using C batteries or smaller)? ...
By: Kashmerem

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Thu, 12 Jan 2017 12:13:48 PST
Smart car 2002 headlight change? Minniehil I can't find any instruction on the internet how to change the light on my Smart car (year 2002). I also do not have an Operator Manual to give me an indication. Please help!!!
By: Minniehil

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Mon, 9 Jan 2017 06:22:42 PST
how do i make a hollow, see-through sphere? pepper50
By: pepper50

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Sun, 8 Jan 2017 10:00:50 PST
micrometer caliper RAR60 How to read in inches a Vernier Caliper  without a dial?
By: RAR60

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Sun, 8 Jan 2017 07:50:20 PST
How can I improve efficiency of a Hydraulic ram pump (Hydram) ?? Rahul - S We are working on our college design project. We want to design, fabricate and test the pump. Our goal is to make an efficient pump and an improvised version if possible. Can anyone suggest any idea about improving Hydram pump. Also if you have any data, calculations, design procedure related to th...
By: Rahul - S

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Sat, 7 Jan 2017 22:24:17 PST
What am I doing wrong with Lost PLA investment casting (aluminum)? als_liahona I've tried several times to get lost PLA investment casting to work, but it never turns out great.  In the photos you see an attempt at casting some 3D printed pulleys.  Interestingly enough, the one furthest from the sprue turned out the best, but there are still pieces missing and the details aren...
By: als_liahona

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Fri, 6 Jan 2017 13:53:51 PST
Forge Ventilation help? Squibo Hi all, Due to location & noise, in order to continue using my coke forge and anvil I must move indoors, into the shed to be precise. I know it sounds a bit crazy attempting to run a coke forge in quite a confined (10-14 m3), fairly air tight space, but I have researched thoroughly the dangers a...
By: Squibo

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Fri, 6 Jan 2017 07:25:01 PST
Where's my "Favorites" or "Collections"?? shaunvis ​I want to use this site, but it's a PITA for reasons like this. I find an instructible I want to check out later, or maybe plan on doing over the weekend. But unless I bookmark the page, I can't find it again. ​ - ​I've added things to "Favorites", but can't find where I can view my favorites. ​- ...
By: shaunvis

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Thu, 5 Jan 2017 07:13:46 PST
Latex paint vs acrylic emulsion ? rickharris This has bugged me for a while. I see reference to Latex pain in the USA - Does anyone know if this is the same as what we Brits call acrylic emulsion paint? The only Latex paint I am aware of in the UK is masonry paint.
By: rickharris

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Wed, 4 Jan 2017 05:51:09 PST
Is an aluminium bullet good for range and spiraling in a spud gun ? Ben Huber
By: Ben Huber

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Mon, 2 Jan 2017 09:36:19 PST
Alternator to generate power? HermannR6 If got an old car alternator and want to connect it to a battery, I'm using a waterfall to turn a bicycle weel with blades, to turn the alternator. is the slow speed going to be a problem?
By: HermannR6

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Fri, 30 Dec 2016 12:26:33 PST
What is this tool? A Fried It has segments that screw off, with springs inside. Top is pointy but not sharp
By: A Fried

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Fri, 30 Dec 2016 05:38:51 PST
How Can I Make a Display Stand for my Custom Starship? Numbuh1Nerd I designed a custom Star Trek ship for my friend for Christmas and had it 3D printed through Shapeways. I'd really like to make a stand for it, but since she's coming home right after New Years and I'm running very low on funds I can't have one 3D printed. Is there a relatively cheap and quick way t...
By: Numbuh1Nerd

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Thu, 29 Dec 2016 23:05:18 PST
table saw fence help? paul the maker hello my fellow indestructible friends i brought a table saw this the first table saw i got and the fence is not completely strait it goes outwards by a couple of mm or more is this right many thanks for ant response here is the table saw
By: paul the maker

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Tue, 27 Dec 2016 09:58:24 PST
My Infrared Sauna keeps turning off by itself mid program. WendyR63 It turns on, heats up for about 1 to 10 minutes, then click, turns off.  What can cause this?  I usually unscrew the light bulb so it does NOT come on during the cycle, I like to sit in the dark and sweat!  When I screw lightbulb to turn on, unit immediately clicks off. I have been having some pane...
By: WendyR63

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Mon, 26 Dec 2016 18:55:34 PST
How to build a reel-to-reel tape device which handles photos? JacobS231 I want to make a physical interface for selecting a picture. I will have a band of something which has little 1" plastic pockets on it.  Each pocket will contain a small photo of a person. The band would be somehow attached to spools which would rotate via servos. So the user presses a button to ...
By: JacobS231

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Mon, 26 Dec 2016 02:09:53 PST
Reciprocating motion? lam Dear All I would like to imitate for to build a bar go up and down in angle 90 degrees  at website:   -   ( oscillating lever 1 : animation ) So please help me to know  how  calculator  to find point C  ( CRANK 15mm) for the rod go up and do...
By: lam

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Fri, 16 Dec 2016 15:34:41 PST
Is it okay to use a hot glue gun to keep a braided cable in place? AnthonyS264 Is it okay to use a hot glue gun to keep a braided cable in place? If not what is a safe way to keep it attached? 
By: AnthonyS264

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Thu, 15 Dec 2016 13:06:21 PST
Are Foam Cutting Fumes Toxic?? Orange robot I've made a hot wire foam cutter but I'm wondering now if the fumes are cancerous/dangerous/toxic when you breathe them in. I've researched this myself a little but there are mixed answers and many others are unsure. Any answers?
By: Orange robot

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Sun, 11 Dec 2016 10:42:34 PST
Best adhesive for attaching plywood to flashing? Edit? SOLRUK The question pretty much says it all. I'm looking to attach plywood strips to a sheet of metal flashing. There is no place for screws or other physical methods of attachment. I have never used adhesives that much so I'm not really sure what would be the best for me to use. Thank you in advance!!!

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Sat, 10 Dec 2016 18:33:31 PST
How can a rocket using liquid hydrogen and oxygen force a rocket upwards? StarTrekC If hydrogen and oxygen are burned together they produce water.  You need a lot of hydrogen and oxygen to make a very small amount of water. If when burning those two gases together produces water, which takes up much less space, how can it possibly propel a rocket into space. You need expanding gase...
By: StarTrekC

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Fri, 9 Dec 2016 11:52:02 PST
I need to be able to see the charge level of a 6v rechargeable battery and want it to be as simple as possible? HariK38 I need to be able to see the charge level of a 6v rechargeable battery and want it to be as simple as possible?
By: HariK38

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Fri, 9 Dec 2016 02:37:47 PST
how/where can I buy natural rubber latex? Jimmy Ewin Preferably not coagulated, and in quantities under a metric ton. 
By: Jimmy Ewin

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Thu, 8 Dec 2016 14:44:03 PST