How do I pour a concrete slab between other slabs and add an anchor to the new slab?

I have a space out the front of my house that I want to turn into a chain anchoring spot for my husband's scooter. I've included a photo of the spot for reference's sake (I really need to clean it out and excavate >.<) Most of the area is already concreted in but there's a space about six feet by three feet under the kitchen window that I want to fill in. I watched a few videos on how to do it and the information given was great but it showed how to pour new slabs in areas that aren't already concreted so now I turn to you guys. I also, as part of the slab, want to install a heavy duty anchoring point for the scooter that can't easily be pulled from the ground and will take a heavy duty steel chain through it. Any advice?

Question by PaigeGrel   |  last reply


A click on "view all steps" should link to page 2 of the article

Hi everyone! I think a click on "view all steps" should link to an anchor on page 2 of the guide. Often you´ve read the first page (which can be very long) and when you click "view all steps" you have to scroll through the entire page 1 again. Its a small and easy fix. Just add #page2 and change the link to

Topic by johanmoberg   |  last reply


Feature Request: Anchors in TOS

. It would be nice to be able to point directly to sections and sub-sections of the TOS via URL anchors. Ie, https://www.instructables.com/tos.html#8a would jump to section 8a.. Yeah. I'd call this real low priority, too. :)

Topic by NachoMahma   |  last reply


PDF Download opens up in wrong browser window

The target window for opening the PDF window is called "_new".  This isn't right - it should be "_blank" to open in a new window.  Using "_new" means that all PDFs opened open up in a browser tab/window called "_new" and so they all open up in the same window and overwrite each other if you open up more than one at the same time. Available target names are described here:    http://www.w3schools.com/tags/att_a_target.asp Should be a quick fix!

Topic by rpb   |  last reply


anchoring down trellis in high winds?

N. Arizona winds high right now. Lady Banks roses heavy on trellis, nearly blows down. tried anchoring stakes, doesn't work. Trellis is cemented into the ground. How can I brace the trellis so it stays upright.

Question by    |  last reply


Exerting pressure with no anchor or flexible to solid.

I am starting a project and have found 2 ways to achieve one part, but I can't find a legitimate way to put it into use. 1) Exerting pressure without an anchor 2) Creating a bendable "spine" which can prevent movement past a point which is subject to change Each comes with it's own problems, the first needs some sort of stable anchor to be able to work, but having an anchor could exert unwanted pressure in other areas. The second one is difficult to find something on, whilst there are ways to do so, I can't seem to figure a way without using electromagnets(which may overheat)

Question by NicholasB5   |  last reply


How can I hang a pot holder with metal ceiling joists?

I moved into an apartment complex where the ceiling joists are made of metal. I have a pot rack that I need to hang, and hanging from just anchors isn't an option as it has to support almost 100 pounds. I feel like the best thing I could do would be to find some way to have a support sit on TOP of two paralell joists, but I don't know how to install something like that without ripping the ceiling apart to get to it? Anyone have any ideas/ know of any kind of anchors that I could install without a big fuss? Thanks a lot!

Question by WPennypacker   |  last reply


Is there any reason you can't keep a small floor safe on its back or side permanently?

I have a small fire safe that I want to secure, but the anchor hole is on the bottom and I have no way to secure it to the floor (apartment). I do have a way to anchor it to the wall, however.  Is there any reason I couldn't leave it permanently laying on its side or back, rather than upright like normal? Might be a stupid question, but I don't want to risk damage to an expensive unit. Thanks.

Question by El Mano   |  last reply


Three anchors each side, bridge level with top anchor - best triangular design ideas, please! :7D?

Hello! I'm a bit stuck on making a stable, theoretical bridge. Rules: No one piece can be longer than 10, no shorter than 1. The bridge must span at least 8. Imagine a gully: \______/ There are three anchor points that you must use on each side - the highest is at the top, the lowest halfway down (not that that makes too much difference...). You have 80 pieces with which to build your bridges - please can you lend me your noggin's as I'm having trouble coming up with ideas that will bear a load. A regular suspension bridge or a tressle bridge won't work, as the joins for the pieces are not fixed solid - so you must use triangles / tension to support them. A bit like loose mechano, or whatever it is people have these days :7) Do they still have lego? I haven't seen a kid play with lego for ages... It's mostly P£3 and Sega Megadrives and stuff. tsk. Thanks! Claire. [ed] I just noticed a knex catagory. I guess that's mechano, right..?

Question by The_Saccade   |  last reply


How do I anchor a handrail into old concrete?

Cement is an ingredient of concrete. I'm trying to put a small grab-rail onto my Mom's front patio, which has concrete aggregate rocks of about 0.5cm-2.5cm. It's classic, old concrete slabs. IT IS NOT PURE CEMENT. My question is: What's the best way to anchor, say, a handrail, into it. It appears to be fragile. Thanks.  

Question by erik.gelhar   |  last reply


Anchoring a Hemma cord set into an old metal lampshade?

I need help in figuring out how to get a Hemma cord set to be held in place within the large open hole in the metal lampshade.? The hole is about 4 inches in diameter. Pictures attached!Or if you have any other ideas of how to turn it into a functional hanging lamp, I'd really appreciate it!In case the pictures don't attach - http://www.flickr.com/photos/sarahlovesyou/sets/72157617576483268/

Question by sarahlovesyou 


Changing a javascript variable through onclick on an anchor tag?

I have created this code but I cannot figure out why it is not working here is my code:    jQTouch &beta;t   @import "jqtouch/jqtouch.css";   @import "themes/artspot/theme.css";   @import "extensions/jqt.listIndex/jqt.listIndex.css";                             Tweetstars             StarList                                               #        3 Ring Wing Ding        14 Carrot Rabbit        90 Day Wondering       A       B       C       D       E       F       G       H       I       J       K       L       M       mairiboo//when I enter there it does not show the tweets of MarkFAngelo.Instead it does not show the tweets of anybody       N       O       P       Q       R       S       T       U       V       W       X       Y       Z                                         $(function(){ $(".tweet").tweet({ username: usernamevalue, avatar_size: 50, count: 20, loading_text: "loading tweets..." }).bind("loaded",function(){$(this).find("a").attr("target","_blank");}); });  

Question by arv_christos 


Strength of plexiglass. 1/16 plexiglass as wall on 2x4 framing spaced 2ft on center. Is the plexiglass thick enough?

Nothing will be anchored to just the plexiglass, nor will anything be leaned against it. Also framing is on & anchored to concrete floor & walls. There is very little to no give in framing.

Question by Natebuilds   |  last reply


Best of Instructables on Good Morning America 2008-12-06

We just received word about an "anchor chat" about The Best of Instructables on Good Morning America, tomorrow at 8:25 am ET. The anchor will have the before and after of several projects we sent on a table along with the book, and he/she will be talking about DIY holiday gifts.Local markets have the choice of picking up anchor chats or switching to local news for that time slot. The segment will be posted online as well. More details when I have them!Here's the link to the story on Good Morning America's website:The Great Technology Swap. I'll post the video as soon as it is available.

Topic by ewilhelm   |  last reply


FireWood Splitting--easy

I'm thinkin of puttin together one o these. Think I'll go with counterweight instead of spring. Even the counterweight will act toward more momentum, assuming the fulcrum is sufficiently anchored.   Post by Samanyoluhaber.com.

Topic by Toga_Dan   |  last reply


The Best of TV News Lip Slips

It just kept getting better, thank god for the internet and these news anchors with there completely embarrassing, uncomfortable, and downright amazing choice of words.The Best of TV News Lip Slips

Topic by toreyray 


acceptable angle of deflection for temporary support

Hi, I am in no way an engineer.  I'm trying to figure out what is an acceptable angle of deflection for a combination frame and hammock support.  I'm thinking of using the the 80/20 t-slot beams.  I want something that is portable, easily assembled/disassembled for moving, and lightweight.  I'm go to make a box in our garden to protect our plants and when the corn is big enough, move the box around to make a hammock support(chicken wire around the bottom part to keep the critters out).  It's basically a box 6 feet wide, 8 feet long and about 6 1/2 feet high. 4 beams to make a rectangle on the bottom, 4 uprights(1 in each corner), and another 4 beams on the top to make it more rigid.  Chicken wire will keep the pests out but let me in to relax until the corn is too high and I move the frame.  :)  I'll put the hammock diagonally from pole to pole; total weight with me and the hammock is about 250 pounds.  It will be anchored to the 2 uprights with 300lb chain at each end. Using the angle of deflection calculator from 8020.net, I found some beams that had 5mm deflection with 150lbs of dead weight in the center of the 6 foot span.  I thought that even if I anchored the hammock to the center of the 6 foot span, that would be 300 pounds, more than the 250 max the hammock and I will be.  And anchored in the center of the beam is the worst case scenario since I'll be anchored to the corners. But is that an acceptable amount of give in the beam?  It's not meant to be permanent.  I won't be in it more than 2 or 3 hours tops. Thanks!

Topic by BobR90   |  last reply


How to drill a 4 inch hole in concrete

The walls at our new place are 6 inch thick concrete (it's an old Naval base) and we needed a few holes for vents. I've hammer-drilled through concrete to sink anchors, but a 4 inch diameter hole is a little intimidating -- until you have the right tool. Here's a few pictures of the right tool. I only watched, so I don't know the finer details, but I thought people would appreciate just seeing the tool. The work flow went something like this: 1) hammer-drill and sink anchor to attach machine to wall 2) turn on machine; insert earplugs 3) wait It took quite a while, and that drilling noise reverberated throughout the whole place!

Topic by ewilhelm   |  last reply


Jedi Training Center

I live on a lake and want to put in some fun stuff for fun and training.  Free stuff is a plus...budget is $50 or so.  Must be able to take out of the water in the fall. First idea I had was to anchor some of those (closed) blue 50 gallon barrels so that people could try and stand on them and fight each other.  I haven't tested this out yet...they may be just too unstable.  I also have to figure out how to tie and anchor them to a cinder block on the bottom of the lake so they can just stay there and float.  Any ideas? Other things....log rolling....diy diving board....let your imagination go.  i haven't found any pics or sites on the internet on this topic, so any ideas appreciated. Thanks!

Topic by juliantrezise   |  last reply


Finding a very special screw

This cross stood on our wedding cake 50 years ago. The cross has three parts: the cross itself, the domed base, and the anchor rod that goes down into the cake. A threaded end on the anchor rod passes through the domed base and into the bottom of the cross. My wife gave me the task of finding a screw to attach the base without the anchor rod so she can stand it on a tabletop.I suspected that the threads are metric because the cross and its parts were made in Germany. Screws at hardware and fastener stores in our good-sized municipality are as small as 4mm, but this is smaller, probably a 3mm screw. I could order half of a dozen on eBay, but they would arrive only days before our guests come for our celebration. If anything did not work, I would be stuck. From photos by eBay vendors I guessed the screw I need is size M3 x 0.5. I poked around on the Internet and learned that M3 x 0.5 screws are frequently used in laptop computers. My laptop has some of those for holding the case together. I borrowed one of them for a couple of weeks until after our guests have gone home. My laptop will not miss the screw for a short time. Keep this in mind if you ever need a screw not available locally. Something you already have may be a suitable short term donor.

Topic by Phil B   |  last reply


How to include a URL without a hyperlink?

I'm writing an instructable where I include some Linux wget commands that include a URL as part of the command. (i.e. wget http://aaa.com/a/b/foo.python). The instructables editor automatically converts the URLs to links with anchor tags.  Is there a way I have the editor not convert the URL to a link? 

Topic by talk2bruce   |  last reply


Voltage question

I'm building a electric anchor for my boat. I'm using an electric actuator thats rated at 24v to 36v. I need to step up the power. my boat is only 12v. I was going to use a stepup converter. Found one  12v in and 48v out. Is there a way to control the voltage so i can tune it down to 36v. Also would there be a big difference running it 24v verus 36V?

Question by kurt1968   |  last reply


Is it possible to create a branching path instructable? Answered

Since I do a tutorial supporting Windows mac and Linux, I would love to have a branching path solution within insctructables. This to separate out the steps per operating system. Is that in some form possible? I came up with named anchors so far, to jump to the correct section within a step. The draft I got so far

Question by FriedZombie   |  last reply


How to connect 2 lines power kite strings Answered

Hi ,I bought my kids a power kite that shaped like a paraglider ,it has a control handle with two strings coming out of it but the Kite itself has five Bridles ended each with an anchor point ,two in the front end,two in the rear end and one in the middle .any Ideas on how to connect them lines...??? Thanks

Question by mbourhan   |  last reply


Safe removal of a ~30' HAM Radio Antenna

Hello all, I have a friend who has a 30 foot (approx) HAM Radio antenna mounted on his garage.  The pole base attaches to two brackets which are anchored to the exterior wall of a garage.  Near the top of the antenna, 3 cable anchors connect to brackets on the roof.  He wants it gone, and wants me to take it.  But, this must be planned out carefully.  The pole could be lowered 3 feet or so, so it makes contact with the ground.  It could be used as the fulcrum to lower this down into his backyard.  Power lines are not in proximity.  If several people were on the roof, could that point be used to lower the antenna gently to people on the ground?  My concern is that the construction looks aluminum. The pole is 2" steel pipe.  ButI cannot be certain on the actual antennd contruction or weight.  There are 3 or 4 small boxes mounted at various heights on the pole.  I can't image they weigh too much.  Can anoyone tell me what there are used for?  Occasionally, a red led will blink on the bottom of the case. I am excited to acquire components that one day may help me get my amateur license.  But I am concerned about how to safely do this, and will not attempt without a very clear plan.  I don't want it to end up being too heavy, and slingshotting the people on the roof (like something that would happen to red green).  I also need to insure his roof is not damaged.  I think the brackets will be left on, and the cable cut at the base.   Any knowledge is greatly appreciated!

Topic by huck alexander   |  last reply


Home improvement/ workshop?. I'm stumped,

Trying to make storage shelving in corner of my tiny Bathroom. I'm stumped on how to fasten to wall. How to properly toenail into corner stud or use brackets/anchor screws? fear of to much weight. Here's a photo of my bath & photo of what I'm trying to create. Thinking thinner wood. Glass shelves are going up on larger walls. Any advice? Thanks

Question by dragontrac   |  last reply


Once again, I need Batch Help

Is there a command that can count the times a code "plays/runs" and then do something with that number? such as....@ECHO OFF echo.Echo HiEcho. pause >nulEcho.:againstart Blah.txtgoto :againIf goto :again = 5 times goto :end <---- concept Idea:end echo.echo now its opened 5 timesecho.pauseNow if it went to again 5 times is there a way that i can send it another anchor in the script?

Topic by spiker   |  last reply


I have a carbon fibre road bike that has a problem...

I have a carbon fibre road bike. I accidently grabbed the waterbottle carrier on the downtube. The waterbottle assembly along with the aluminum frame anchors were ripped out. I have been riding for a week without it. With the 2 holes there in the down tube...would there be further fractures or the frame would start cracking if i didn't fill the holes. If I were to fill the holes with silicon or epoxy...would this prevent any stress cracking?

Question by cdncycler 


optical sensors from projection TV

I have a *lot* of junk from old TVs -  projection lenses, a fresnel lens and pcbs. so far I've only used caps and resistors in small projects. recently I came across a set of 4 optical sensors anchored to the inside of a projection TV, I believe they are used for auto alignment of the RGB images on the mirror. What is a good project to use these in? could I use them to possibly build some sort of solar tracker ? perhaps using an arduino ? any ideas appreciated.

Topic by dhymers 


Liquid glass or solid water is the look I am trying to achieve.

Does anyone know of a solution that becomes a clear solid other than an expensive epoxy? I am filling 48" vases with broken glass holding tree branches for an event. I need to permanently anchor these. I have been using an epoxy made for this application however, because of the size the cost is becoming prohibitive. Parafin is not strong enough. The sodium silicate from the "cash for clunkers" program is not clear. Ice is not practical. Even something I could melt and reset may work.

Question by abbicorwin   |  last reply


Armor Help

I am looking to make a paintball armor.  I do not want to buy anything already made, DIY stuff FTW. I am looking to make it out of aluminum from aluminum cans.  I would cut off the top and bottom leaving a repectable sized piece to mould into any piece i want making it into 'scales'.  Using the bottoms of the cans as shoulder pads and other parts. My question is: What should I use as an anchor for the 'scales'? What type of material would i use as a place to mount them? And as always; if you have suggestions do tell.

Topic by Cpt Squishy   |  last reply


art: bowling balls

I began collecting a few bowling balls with the intention of making decorative art in my flower beds. I have a neighbor across the street who undoubtedly has so much disregard for me that he reported me to the city code enforcer who said bowling balls were against code. I had a supervisor come and look at my yard and the bowling balls and he said it is art. The other code enforcer has required that I "anchor" them down. Does anyone have any suggestions? I'm sure no matter what I do the neighbor will not like it. He hates my trees. I have humongous oaks and lots of plants and shrubs. He has complained for 16 years now. He sits on his front porch and watches everything I do. He reported I had rats. They found the rats nest on his property. He claims the termites come from my home. Believe me, I have a small brick ranch that I do all the upkeep on. I think he just can't stand it that he can't tell me what to do like he does the rest of the neighbors. I'm a woman-maybe that's his problem. Anyway, how do I "anchor" my bowling balls without taking away from the art of them in my flowerbeds? Please help me. I want to abide by the city codes.

Topic by Bluejean1   |  last reply


Fighting construction toy

I am trying to find a toy that my brother had as a kid. What it is was a battery powered base that you put a spinning blade like object it was all made of plastic, on top of the blade was a plastic shield like object to hold the blade on, the two motor bases where connected together with string that came out the side of the robot and connected to a plastic anchor point of the other. When you turned on the two bases it caused the blades to spin and the tether lines slowly retracted causing the blades to come into contact which then knocked the shields and blades off each other. The person who still had their blade and or shield on at the end won. Does anyone know what these toys where called?

Question by steve-lane   |  last reply


I have t-shirts older than you...

It's the weekend.I can wear t-shirts instead of the suit.So, I was browsing my pile wardrobe, when my eye fell upon my tee from the first Discworld Convention. 1996, a few weeks before #1 son was born.I dug deeper.One I bought at the first gig I went to with Kitewife, which makes it 22 years old.One I bought in Kenya, which makes it 24 years old.Good grief, I really do have clothes older than the vast majority of members here.They're all landmarks, though. Times and places that are important.It's weird - my t-shirts seem to be the only things I own that date me, that mark the passing of the years.I have books, lots of books, but most of them are still in print, in one form or another.I hunted around, and the only other things that I own which specifically pin down dates, anchor me in time, are my engagement ring (April 23rd, 1988) and my wedding ring (May 24th, 1990).What anchors you to certain dates? What anniversaries do you celebrate?What about your friends and families? What do they commemorate?What about the site? What anniversaries should we celebrate here? What is the exact start-date of the site? Are any of the Team approaching significant dates? I mean, look at them - there's not one of them over 21, surely?>Cue general philosophising on the nature of time and commemoration of its transit<

Topic by Kiteman   |  last reply


Rougham Kite Festival 2008 - PHOTOS

Single-line, stunt and power kites, plus giant inflatables that need small trucks to anchor them.Artistic displays, stunt shows. Kites to try, kites to buy, kites to make.A high-altitude licence (UK law normally restricts kites to around 60 metres - the festival gets special permission to fly to hundreds of metres) and a real-ale tent.What more could you need? Even the long-term forecast is promising (as opposed to the year before last, when one of the trilobites broke free and landed several villages away).I plan to be there (wearing a Robot tee) do you?LinkEDIT: I took a few photos - I put 84 of them on Flickr

Topic by Kiteman   |  last reply


Cross-braces for wooden shelves

I want to make cross-braces for wooden shelves I built  using 1x4 stanchions, 1x12 shelves, threaded rod between the stanchions to hold the shelves up and the whole thing together, from an Instructables project. Ikea sells the perfect thing http://ikea.com/us/en/catalog/products/87749600/  except it's too short and there's no Ikea in town; I mention it for the example it provides.  These http://www.storeroomshelves.com/storeroom_shelves_bracing/storeroom_shelves_bracing.htm look good too, and are cheap, but are 700 miles away. They don't need to be strong: I anchor the stanchions to the wall; I need them to hold the shelves up when I mantle and dismantle them.  They do need to be thin because the shelves are against the wall.

Topic by RandomTroll   |  last reply


New slingshot mech/trigger

I want to keep this brief whilst still remaining informitive, please excuse hurried typing hey guys been playing around with knex and found a mech that works. camera cable still lost, paint diagram below instead. to load band is attached to anchor at front, rod it then push/pulled through mech till trigger clickes into place, pulled further and rod is removed, ammo carefully placed back into mech (hollow back) trigger can then be pulled to fire. resultant gun is basicly silent, only one band can be used at a time. plans for a repeating version are still sitting around in my head. sorry for brief explanation, was kinda busy seeya later

Topic by Fred the Penguin   |  last reply


DEPLOYABLE FIRE ESCAPES for TOWERING BUILDINGS

The “9/11” World Trade Center disaster horrified Americans as they witnessed people leaping out of 100 story windows to their death. There was simply no available escape system to facilitate a safe yet quick evacuation to the ground floor. Elevators weren’t working and internal staircases were blocked by sporadic debris, black smoke and fires. The situation was virtually hopeless to the point where many chose to jump rather than be burned alive. So here we are, with technology capable of constructing 100+ story buildings but without the means for external fire-escapes. Unfortunately, the public isn’t aware that at our current level of technology we can finally address this problem with our architects. We are talking about a means to rapidly deploy a flexible escape tube-chute from 100+ stories that hangs along a guy-wire which is pre-attached to our escape floor and anchored to the ground (Fig-1). This tube-chute escape system will deliver a person from 100-stories down to ground level and safely outside the building in under 10-minutes. Prior to deployment, the entire system is housed inside a container that is either attached to the outside of the building or built into a structured wall, opening to the outside at various floor levels. When in deployment, the inlet of the flexible escape tube will be anchored to the outside wall of a designated escape window and contain an inner diameter sufficiently sized to accommodate an individual. The tube’s exit end is tethered to a rope-wire that runs down our permanently located guy-wire, through a series of guy-wire slip-rings, and quickly pulls the tube's exit end to ground. The rope-wire is permanently attached to a winch-motor located on the ground. During deployment, the winch pulls the tube’s rope-wire down to ground level by slipping along the guy-wire rings. As the tube-chute deploys downward, it automatically forms a spiral about the guy-wire, creating a very long escape slide that gets anchored to the ground. A fully deployed tube-chute exhibits three basic attachments for stability: 1) a set of flexible slip-rings and tethers attached between the permanent guy-wire and tube to form its downward spiral, 2) a tube-chute inlet anchored to the outside of the building at various floor levels, and 3) a tube-chute exit anchored to the ground and providing a fully deployed and reliable escape system ready for use. As each person enters the tube-chute, they are only aware of the outside winds which buffet the tube plus the internally hanging cloth fingers used to slow their descent as they slide down to safety. They are not aware of any height and feel relatively secure due to their complete envelopment by both the tube and its touching fingers.  A 100-story descent would take about 6-to-10-minutes to reach the outside safety of ground while travelling at a speed of roughly 5-fps (3.5 MPH) as regulated by the spiral-ramp and internal cloth-fingers retarding gravity.   Technical  Details: The tube-chute is reinforced by a sewn-in spiral wire that gives it strength and flexibility. Its tube is made of heavy duty nylon, much like the large yet light air-hoses used on many high stress applications today. The tube cork-screws its way down and around a permanently deployed guy-wire that stretches from the designated floor of the building to the ground. The tube is sized for a person to enter and slide down the spiraling pathway until he reaches ground level. Gravity will act to propel the sliding individual down the tube. To counter gravity, we rely on the tube’s spiraling design to produce a gradually declining ramp that slows and checks an individual’s descent speed. The number of spirals and ramp-angle necessary to reach the ground will be sized to limit the gravity-induced speed so as not to endanger an individual’s sliding descent. That and the internally hanging cloth fingers guard against excessive speeds and will prevent skin-burns from the sliding friction. The tube’s nylon material is impregnated with anti-flammable chemistry and its exterior is aluminized to prevent radiative heatloads from causing a fire due to either direct flames or the radiant heat from indirect flames. A final note on the overall weight for this flexible tube-chute structure. Clearly, since we are designing a deployable fire-escape system, its weight must be kept to a minimum for deployment safety and reliability. Items such as the cloth materials, tube-wire reinforcements, and spiraling tube tether attachments must be carefully chosen for weight, strength and durability. While issues of weathering may not be that important, as it will be housed and protected from the elements, the shelf life of the various materials chosen is of paramount importance.

Topic by RT-101   |  last reply


making a grappling hook ?

I know there are already instructables on grappling hooks but none are quite what i want . criteria are :strong,cheap, a good weight heavy enough to get distance on a throw but not so much that it feels like carrying round a rock , adaptable from tasks like getting up a tree to using as an anchor from a boat(which i plan to make at some point) to dragging logs around etc. i have an idea of welding together some heavy duty nails or screws.   or possibly putting some screws into wood but im worried that the former would be quite difficult for me to make with m lack of experience and the latter to be to weak .so please could anyone reading this put there ideas forward ,  thanks wood wizard

Question by wood wizard   |  last reply


Mousetrap car Pulley help.

Hi! ive been working on a mousetrap car for my physics class and i was looking into the idea of pulleys to get more power to pull on the axle to rotate it. Ive noticed that alot of the Pulleys I see all rotate on an axle which I can not acheive due to the small space on the car. So my thought would be to anchor these small wooden pucks (small like 1 cm diameter) and have notches in them so that the fishing line wouldnt slip. (picture) Can I get some help on wether or not this would work? If it works can I get some input on how i could make it better? ex. different pulley designs that dont require moving parts. Thanks in advance!

Topic by noobiefied   |  last reply


Old hobbies die hard... some TRs

I had a lot of old pics to work off of so the building experience was a lot like what I remember loving about knex, without the frustration. This blaster (:>) has a pretty solid mech. The slide, anchored by the gray connectors on the naked black rods (hehe), requires the full motion to prime, resulting in the longest pin draw possible using this draw/anchor method. The pin I have on this has a rubber washer of sorts that I had laying around, so far working wonders. No broken pieces were required, though I slid a broken black rod that was conveniently the perfect length into the barrel construction. As I mentioned in the title, I built this just yesterday and I expect that it'll be further modified -- the grip was something I had lying around and could essentially just throw on, the stock was rushed. I was planning on building another and I'd be happy to make instructions if there's any demand, though these pics alone may be enough for the few of you. (8/24/15) Link to better quality pictures, really unimpressed by what got uploaded here... https://imgur.com/a/4y1Se Credit to KILLERK for the TR of course. I just gave it a new body. Update 8/25/15: 3D printed a piece for the front of the barrel. Update 8/27/15: Small changes all over. I'm okay with the front grip. There's some mole skin on the handle. Changed the below pictures to reflect what I currently have, clearer pics in the imgur album. Update 8/31/15 Finally got around to classing up the stock, quite happy with how it turned out. A few other changes as well, updated the pictures once more. Should be able to build from these pics!

Topic by Knarez   |  last reply


Need to identify 2 objects: one works &quot;like&quot; a lock, the other looks LIKE a door knocker....

Pictured are the two items: several pictures of the FIRST item are included since it needs them so show "what" it does and all it's nuances; the second item there is only one picture of it and a notation on the picture. Can anyone identify them?   The "brass" looking first piece seems to work like some sort of lock with a very simple I beam shaped "key" to unlock it.   The black item "appears" to be a door knocker "except" it is WAY too light in weight (aluminum or something).  Thank you for any replies.... OH and BTW,  can't we add "notes" to the pictures anymore? NEW INFO: on the anchor looking thing,  there is green in the crevasses, dark green and hard to see....an indicator of  metal composition  (copper ?).

Topic by Goodhart   |  last reply


electric kontiki - electronic fail safe

Has any one come up with and electronic fail safe - return to beach/ gps type system for the electric fishing kontiki's that we have here in Newzealand - and i am sure every where else... currently i understand the only controls available are timed engine run to get it to the desired distance off the shore, and the latests ones have gps correction for tides and surf out to a way point, the trouble is when the long line anchored on the beach becomes separated from the unit ( and the commercial ones are freaking expensive) you have just lost it... surely with the wizardry of electronics and the people that hang out here some one can create a system even better if its gps waypoint based ( beach) that on separation of the long line will automatically turn that hardware around and send it back to the beach, to some where near where it set off from?

Topic by agatornz 


The Instructables editor appears to have a number of serious bugs

I encountered the following unfortunate bugs when using Google Chrome to publish my latest instructable.The floating panels and sidebarsThe right-hand sidebar masks what you have written when previewing your text.Even when the sidebar is minimized it still masks the bottom line of text. The side-bar should be anchored to the top of the screen ...Try saving your work then click "You" to exit your draft. The list of options appears beneath the horizontal top-panel making it impossible exit your draft. I got here by closing then reopening the browser :(HighlightingThe editor for creating this topic allows you to highlight your text and see the highlighting immediately.When writing an Instructable the instructable editor doesn't immediately show the highlighting. You only see the highlighting in the Preview mode.

Topic by lingib   |  last reply


Need Advise on Building Large Arch Gate

I am trying to make a large arch-like gate out of foam. It would be about 8' high, it would have to stand on its own, it would have to be able to be broken apart into pieces and needs to be able to last in the elements. I was thinking of buying wet foam blocks (foam used by florists) and binding sets of them together and using spray foam to cover the outsides and paint it grey to make it look like rocks. It would be held together with dowels through each set of foam and have an anchor at the bottom using dowels hammered into the ground.  Inspiration for this design came from the vault from the Borderlands game series  http://i.imgur.com/DwMSsWb.jpg I wanted to know if anyone has seen guides for making a fake stone arch or if anyone had ideas for making this (Especially if the ideas aren't too expensive) Thanks

Topic by BenH18   |  last reply


how do i connect a radio control servo and gyro together?

I want to use a radio control servo and gyro to keep my wifi antenna pointing the same way. i live on a boat and have a long range wifi antenna which is like a flat plate one foot square and directional and each time the boat swings at anchor i lose the signal. i want to know how to wire up the servo and gyro to a battery to keep pointing the same way. thanks paul i just want a way of powering the gyro and servo, i can point it the way i want it to face to start with, then i want the gyro to take over to move the servo opersit to wherever the boat swings. i dont know how to power the servo and gyro i know it takes 5 volts which i can give it but i dont want to have to use a reciver just the servo, gyro and power suply.

Question by Poppy_Ann   |  last reply


Sawdust as a medium for hydroponics? Answered

Actually I have 2 questions pertaining to hydroponics. First you should know that I have a passive hydroponic system functioning right now the container is partially submerged in a nutrient solution with holes in the bottom of the container. The medium I'm using right now is perlite to allow more oxygen and act like a wick. I do have a top layer of aquarium gravel to anchor the plant better. I've been thinking of trying to add more oxygen to the roots by using an air pump. I was going to insert the tube from the top (the dry section above the water) pointing down to the wet section to blow some air to the roots. Would this be an unnecessary addition if I continue to use perlite as a medium? My second question is the title, would sawdust work as a medium for hydroponics? I assume it would be able to act like a wick for a passive system my concern is would the roots get enough oxygen in sawdust? Also most mediums are inert sawdust wouldn't be, would that have a negative impact on my plant?

Question by thecoonskin   |  last reply


Oops! We couldn't understand your request. Please contact us to tell us as much detail as possible about what you were trying to do when this happened.

I just spent the last 2 days authoring a new Instructable and struggling, as always, with the abominable editor on this site. This time I did as much as possible in a text editor, including using HTML tags for images uploaded to my account, and for bold fonts, and anchor links with text. I selected the mandatory cover image, which was all cut off BTW, entered keywords, and hit Publish both times and the second time I got the obnoxious: "Oops! We couldn't understand your request. Please contact us to tell us as much detail as possible about what you were trying to do when this happened." To say this is frustrating would be like saying that a sharp stick in the eye was a little annoying. So what's going on this time? Is it the HTML tags which the preview shows as working flawlessly? Are any of these tags banned? If so, why doesn't the message just say so instead of kicking me in the n…, u-h-h, face without offering any help? I couldn't find anyone to contact either, hence this post. Firefox 33.0.2, OS X 10.8.5, javascript enabled And no it doesn't work any better in Safari.

Topic by Laral   |  last reply


The end is Here ?

This is an urgent call. I think the world would really come to an end because of the increase in natural disasters around the world. I think the world would certainly come to an end with a huge tsunami. Since the effects of global warming is here, within 5-10 years i am afraid to say that the world would certainly end. So do you think this is possible ? Thats why me and a couple of my friends are thinking of making a safehouse or ship where we could be safe in case of a tidal wave or other natural disasters. The problem is that we do not have any clue of what we are doing. i am thinking of making a anchored kinda ship which could acompany 5 people each. This ships would contain oxygen tanks with supply of about 2 years, food and safe drinking water wit seawater purifer, necesary tools and items, survival supplies and other necesary things. This ship should contain an onboard motor engine which could enable the ship to move in water. This ship should atleast protect the passengers from a big tsunami. It would contain a 5 passenger seating with folding beds and solar panels which could also power the engine and equipments inside. i really wanna build this because it's a fun project and could protect peoples lives who are poor and could not afford to go on a boat or are in low lying areas. So what do you think?

Topic by arylic   |  last reply


Eye-fi Eye Films now a Thanksgiving contest prize

Instructables just received some beta Eye-fi Eye-Film cards. These amazing little devices are SD-memory-card-shaped packages that go in your camera and wirelessly upload images. Right now, the awesome people at Eye-fi have a few of the major photo-sharing and photo-storing sites integrated with their service.I took a picture of numberandom in the shop, and before I got back to my computer, the image had been uploaded here to my Flickr account, geo tagged, and placed on a map. Holy cow that's awesome! Now, I will admit that right now the integration with Instructables is quite lacking (I had to download the image in this post from Flickr and reupload it to Instructables!). However, I'm sure everyone can see the direction this wonderful piece of hardware moves us in -- one step closer to the Memex! "One can now picture a future investigator in his laboratory. His hands are free, and he is not anchored. As he moves about and observes, he photographs and comments." More here and here.In the near future, you'll be able to just take pictures and have them automatically appear on the web ready for use. Anyone remember developing film pictures (and maybe scanning them)? Hopefully, uploading will soon go the same way. We have three of these that we're giving away as Grand Prizes for the Thanksgiving contest. So, if you want to take your documenting and picture taking to the next level, you'll really need to take Thanksgiving to the next level.

Topic by ewilhelm   |  last reply