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/diy/ board - Do-It-Yourself - February 2014

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Most viewed threads in this category

Someone build this invention:... 4 posts and 0 image replies omitted. Click to view.
Someone build this invention: A backpack slung leaf blower with an attached alternator powering heating elements inside the shortened tube that are attached to heat sinks that also increase turbulence that widens the stream of air. The heating elements would be the variety that transfer heat and become cold at the mounting point to prevent them from melting the plastic tube. You can have the copyright.
Hello /diy/I have a CB radio... 16 posts and 0 image replies omitted. Click to view.
Hello /diy/ I have a CB radio (pic related) that I just took out of my vehicle (due to upgrade) and I would like to turn it into a base station in my garage. I would really like to build my own antenna for both the knowledge and learning experience. I have done some lurking on the web and looked at some home-built antennas, tutorials, theories of operation, etc. but I come to /diy/ looking for whatever knowledge you doers may have. I am open to any suggestions, links, recommendations, and advice on where to start. Ultimately, I am looking to build something relatively small, I do not want a massive antenna looming over my garage. So, Budget: < $100 Equipment/Tools: No problem Electronic Experience: VERY basic understanding of electronic fundamentals, absolutely no experience regarding radio theory. tl;dr : I would like /diy/ to personally suggest some information regarding the basics of building a base station antenna for my CB Thanks!

Making a Practice Drum

Making a Practice Drum 9 posts and 0 image replies omitted. Click to view.
need to make a practice drum and I need to use as little money as possible. I made a pretty good drum skeleton out of pvc pipe, and I'm trying to stretch this plastic tarp over it till it's tight enough to feel kind of like a real traditional drum. But I can't figure out any way to do it. I've done it before with a barrel. I weaved the rope through the drum head and tightened it by tying a stick where the ropes met in the middle, and twisting it until I was happy with the sound, then I just nailed it in and undid the ropes. That sounded and felt perfect, but the barrel that I used cost me around $55, and I can't find anything around the same size for a cheaper price. I can't nail it into the pvc, and there's no way that I can think of to tie down the ropes while they are taut without leaving the stick in there. I tried making the head out of packing tape, but it sounded terrible and didn't feel very good at all. I might try duct tape next, I think it might work better, but if I can make the tarp work, that would be best. Any ideas? If the tarp works, then this only cost me around $30, and I have enough material to make 2 drums. Thanks in advance!
Sorry if this is too vague or... 3 posts and 0 image replies omitted. Click to view.
Sorry if this is too vague or has already been answered, but I have an idea and I need to patent it. How do I go about that and how do I make sure it's not already patented?
I need to provide a semi... 9 posts and 1 image replies omitted. Click to view.
I need to provide a semi stable output of 12ish volts DC. .75 Amps. From a source that fluctuates from 12 to 13 volts with a few quick spikes to 16 volts. Should I put a 20 Volt capacitor in there like I drew in the diagram for a more stable output? Or should it go on the other side?
I need help deciding between... 12 posts and 0 image replies omitted. Click to view.
I need help deciding between pursuing a trade. I've narrowed it down to either HVAC or electrician. The downside to electrician is that even after getting an AAS from a vocational college, I'd still have to work for 4+ years to be considered an actual electrician, whereas HVAC technicians can jump into a $25/hr job straight after getting certifications. What are your thoughts?
Please don't hate... 21 posts and 0 image replies omitted. Click to view.
Please don't hate me. I'm rewriting my website again and I have decided that I want to be able to change something that is on all of the pages without actually modifying every page. To do this would I write the html inside of the css or do I need to get into php or something like that.
Alright, I know it sounds a... 67 posts and 5 image replies omitted. Click to view.
Alright, I know it sounds a bit ambitious, but I have a few things that I wish to do, so I thought I'd make a thread about it >set up a forge. What materials would I need for this, like anvil, and hammers, etc. >Cast metals, such as bronze, gold and silver. How would I go about making the molds and other related stuff >salvage precious metals. What kind of metals are in things I can easily find dumpster diving, and how do I get it out, like platinum from catalytic converters >woodblock printing. How do I into it? >embroidery, possibly with gold bullion >Working bronze into a Roman style breastplate, and how to make detailing on it. I assume I could make the detailing separate and screw it on the plate I'm looking at making Roman legion shit, like the armor and helmet, so I need bronze for that, and something for the crest, either ostrich feather or horse hair. I also want to make an aquila with a Legion banner, which is where casting and embroidery comes into play. I also want to cast rings with words engraved inside, so that's why I need to salvage precious metals.
How do I clean a glass jar so... 48 posts and 3 image replies omitted. Click to view.
How do I clean a glass jar so that there is no smell residue what so ever?


wainscoting 4 posts and 1 image replies omitted. Click to view.
doing a bathroom in an old 1920 bathroom. Just got done sheetrocking , gonna move onto mud and tape here. what I'm wondering is if I should even bother muding taping texturing whats going to be behind my wainscote (thinking like a 1/4 plywood painted white? with like a trim peice for the transition to textured sheetrock side) Advice? Should I tape and texture where the wainscoting will be gowing?
I've grown dissatisfied... 4 posts and 0 image replies omitted. Click to view.
I've grown dissatisfied with my bedroom nook and have decided to put a shoji screen in. I've been conflicted about materials but today it stuck me. I'll use cardboard. I was taking a shit and reading about Shegeru Ban's paper tea house and it seems like the best idea. So, does anyone know where I can get things like this? Online it seems I can only order them in bulk and I really only need maybe 20 or so.
Hi /diy/, I'm looking to... 48 posts and 2 image replies omitted. Click to view.
Hi /diy/, I'm looking to make my very own UAV with arduino/ARM computers. I've heard of arducopters and etc, but not super duper basic UAV's. No kits if possible, barebones /diy/ style.
hi /DIY/ any idea what I would... 0 posts and 0 image replies omitted. Click to view.
hi /DIY/ any idea what I would need to power my replacement screen? what kin dof voltage etc.

woodshop and steel

woodshop and steel 1 posts and 0 image replies omitted. Click to view.
Hi. I want to get into steel and wood crafting since I think it would be very cool and useful. Any tips on where to start? I've already taken some basic shop classes. (pic unrelated)
lets sticky this thread to put... 10 posts and 0 image replies omitted. Click to view.
lets sticky this thread to put an end to the sex dungeon threads that make up half the content on /diy/. how would you construct your underground luxury villa/greenhouse/fallout shelter/storm shelter/bomb shelter keeping in mind that we all know you really mean rape dungeon. what materials would you use? how deep would you bury it?

3334463 766

3334463 766 5 posts and 3 image replies omitted. Click to view.
Hey /diy/, I come to you again, looking for guidance and solutions to two basic problems. I volunteer for a local group that does bake sales to raise money for our charity. We require two displays for cupcakes, and other baked goods. Both designs we came up with are generic as fuck and have already been done before. However we can't afford the commercial versions that are sturdy enough or the right size. I've attached the first design, and will be attaching the second below. Anyone have any ideas on how to build these? We require them to be able to fold or collapse down to very small height for transportation and storage, but be sturdy when in place. Budget for each should be within 100$ USD. Size for the three tier plates should be about two foot long for the base plate, and square. Next one should be 1 1/2 ft, and finally 1 foot. Same goes for the shelf display for sizing, and they should both fit on a standard size folding table. Thanks in advance gents.
Hi /diy/,I'm pretty... 22 posts and 0 image replies omitted. Click to view.
Hi /diy/, I'm pretty stupid when it comes to basic electronics. I want to make a solder fume sucker and bought some activated carbon filter, two 12cm PC case fans (they use the red wire of a Molex connector, so 5V) and a 9V power adapter. If I connect the fans in series, will it work?
I just got my 1st oscilloscope... 24 posts and 0 image replies omitted. Click to view.
I just got my 1st oscilloscope so now i need to make sure i dont blow it up and i just saw Daves video about how not to make it explode http://www.youtube.com/watch?v=xaELqAo4kkQ#ws but i ended up with many questions that nor the video nor the comments answered im wondering, Whats the difference between using any of the following in the test circuit -Using an isolation transformer -Isolated ground outlet -Common outlet without ground wire connected -Ground Live/Neutral Adaptor -GFCI outlet i still dont see how can i justify an isolation transformer when i can just place an outlet with no mains earth wire, could someone explain this to me?

Pickguard Shielding

Pickguard Shielding 2 posts and 0 image replies omitted. Click to view.
Hello /diy/nos Question for the electramagicians and guitar geeks. When using a pickguard I know it should be shielded (using conductive paint or foil). I also know that in the early 60s Fender used to use thin aluminium sheets between the body and the pickguard for the same purpose. If I wanted to use a pickguard made from conductive material, can I tie it straight to ground, or should I isolate it and shield it separately? I don't know if having the switch, pots etc. touching the guard (and then my hand) would be a problem.
heya /diy/, /mu/ recommended i... 4 posts and 0 image replies omitted. Click to view.
heya /diy/, /mu/ recommended i bring this here. So, this: i want to build a makeshift/cheap vocal booth in my home for the purposes of practicing. The most important thing to me is that it blocks out as much of my vocal noise/garbage as possible. I'm wondering the following: 1) can i just use simple eggshell stuff from beds/mattresses for the insulation? 2) If so, will adding a second layer on top of the first layer help to contain the south even further? 3) Which would be the best floor of my house to build this on? Basement, middle, or upstairs? Like, say, if I built it in the basement, would the chances of my voice traveling "upward" throughout the rest of the house be high? Similarly, if I built it on the top floor, would the noise stand a chance of traveling downward? If it means anything, I'm singing in a classical/operatic style. tl;dr: what's the best way to block sound (my voice) from the rest of the house?
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