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I made a coilgun
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It’s been a project I wanted to do ever since two weeks ago when i found a camera flash at a junk shop for 50 cents. I burned it out so i had to wait until I got a new one, and today I said ‘to hell with waiting’ and I bought a disposable camera and ripped it apart.
A good tutorial site: http://www.angelfire.com/80s/sixmhz/cgkit.html
My pictures of the fairly ugly product: I used two capacitors in series that I found in a couple Computer power supplies. Normally it’s one 350 volt 360 something capacitor, but two 20o volt ones with 460 whatevers each is better.
Log in to see images! Log in to see images! hehe that pen has been useful… Log in to see images! Log in to see images! Log in to see images!
I didn’t insulate the connections at first and then this happened: Log in to see images! Log in to see images!
Got burned pretty strangely by 400 volts. Happy times.
I was launching 1/2 inch steel slugs off my porch that flew about 60-100 feet I’m guessing. Not much velocity, though. I need more capacitors and a bigger coil to get high speed projectiles.
Oh and if you try this yourself and taser yourself and die or shoot out an eyeball then I’m not responsible. Yes, you can make wicked and potentially VERY painful tasers out of this circuit as well. TUBSWEETIE edited this message on 05/17/2008 1:04AM |
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| Posted On: 05/17/2008 1:03AM |
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you got a license for that thing, sweetie? |
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| Posted On: 05/17/2008 1:12AM |
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View icwutudidthar's Profile
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I want to make one of these now |
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| Posted On: 05/17/2008 1:12AM |
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View bunny_killer's Profile
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This is awesome.
That’s gotta be the smallest injury I’ve ever seen. |
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| Posted On: 05/17/2008 1:17AM |
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View Odalisque's Profile
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I only gun I made was from those ballpoint pens. |
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| Posted On: 05/17/2008 12:34PM |
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View Balloon's Profile
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I recognize the wound my Tesla coil gave me a similar one once, usually harmless tho.
Log in to see images!
Log in to see images! |
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| Posted On: 05/27/2008 10:21AM |
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View Echuu's Profile
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wOW! you guyse are super-smrt and stuf… thant’s realy realy Cool!!1 o_O |
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| Posted On: 05/27/2008 10:49AM |
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TUBSWEETIE Posted: |
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| Posted On: 05/27/2008 11:27AM |
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super ghetto science is p. awesome Mudkips Acronym edited this message on 05/27/2008 11:39AM |
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| Posted On: 05/27/2008 11:39AM |
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That is pretty badbum. If I didn’t live in a building I’d be flying metal things everywhere. |
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| Posted On: 05/27/2008 10:18PM |
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I did a new one today. It’s pretty much exactly the same only in a pretty silver plastic shell. And it has a flashing neon light inside. Log in to see images!
the other day I had a charging unit that ran off a 6 volt lead-acid battery and would charge the capacitors in 2 seconds flat. It drew 3 amps off the battery. Compared to the 15 seconds it takes for my current AA powered charger it was a beast. Problem was it burnt itself out when I left the firing switch on. Once I get some more flashes from the Salvation Army I’ll be ready to destroy. I’ve figured out a relay-based firing system that’ll cut off the charger when it fires so it won’t risk burning out again.
I’ll take some pictures tomorrow for your enjoyment.
Oh and I picked up some steel rods from the hardware store. The big coil shoots 1/inch , 1/2 inch long slugs. TUBSWEETIE edited this message on 06/01/2008 2:18AM |
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| Posted On: 06/01/2008 2:11AM |
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Turn it from coilgun to condomgun, and I’ll be impressed. |
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| Posted On: 06/01/2008 2:18AM |
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View Bill_Murray_Fan_...'s Profile
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On this project if you need some help, I will be happy to help. Better stated in one of my cousins songs. “When you’re all alone and if you’re feeling down Call me, and I’ll be around” |
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| Posted On: 06/01/2008 2:22AM |
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Evil Trout Posted:
Better yet: dildocopter |
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| Posted On: 06/01/2008 2:25AM |
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Janie Posted:
I would buy this product. |
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| Posted On: 06/01/2008 2:44AM |
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L2 Posted:
could use several guns at once to make it fire a condom like a net that would parachute back down the ground…
Janie Posted:
Ahem… http://forumwarz.com/discussions/view_post/178081
I’ve actually got a stripped down micro RC helicopter… TUBSWEETIE edited this message on 06/01/2008 2:50AM |
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| Posted On: 06/01/2008 2:47AM |
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*** UPDATES! ***
I did a new one today. Log in to see images! Log in to see images! Log in to see images! Log in to see images! Log in to see images! Log in to see images! Log in to see images! Notice that it has a laser sight. It’s horribly weak compared to the other one I’m working on but i want it to not kill people just yet. I also don’t have any slugs for this one. The steel rods I got must be some ****ty alloy and it’s totally not magnetic at all. And shooting finish nails off my porch is no fun. I also got an ancient MbumIVE flash charger from salvation army the other day that’ll be the brain behind my bigger one. Perhaps tomorrow afternoon will see that one finished. |
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| Posted On: 06/04/2008 11:08PM |
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TUBSWEETIE Posted: |
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| Posted On: 06/04/2008 11:17PM |
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TUBSWEETIE Posted: I want one of these for my next door neighbors dog too shoot at it |
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| Posted On: 06/04/2008 11:34PM |
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View bunny_killer's Profile
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I haven’t done much work on the guns lately. I got some protoboard from radioshack and make the charger smaller for the plastic gun, but that’s it.
For ****s and giggles today I wired up all my smaller flash capacitors and shorted them while fully charged. Normally a flashcap is about 240 or 330 uf. in total this bank was over 1500 uf. I also have two other 550 uf caps that I’m saving for the big gun. When i hit the contacts together it was as loud as a firecracker and echoed. Log in to see images! |
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| Posted On: 06/12/2008 8:25PM |
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