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Combustion dart launcher

Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Combustion dart launcher

Unread postAuthor: ckman » Sat Feb 21, 2009 2:48 am

Hello there this is a simple gun that I was teaching my friend how to make.

Barrel: 1/2 metal piping 2 feet
chamber: 2 feet of 1 inch sch 40 pvc
ignition:piezo
Propellant: 5 seconds of propane
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Attachments
Photo 634.jpg
Ammunition nail with a paper cone around it
Photo 627.jpg
Photo 632.jpg
Photo 633.jpg
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Unread postAuthor: inonickname » Sat Feb 21, 2009 2:52 am

Knew it....Another ghetto creation from ckboy.. 10 spudbucks he never builds anything un-ghetto.. But if it's what you like doing, keep it up.

Do you use the nozzle to try get a good mixture (blowtorch)?. And also, a little tip for your darts. Forget paper, go down to a rural/farm surplus store and grab a heap of caulking cartridge nozzles (glue) for glue guns (not hot glue). Put one in your barrel, drag a sharpie round the excess and cut it off. Hole through the top, a nail and there you are..
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Unread postAuthor: ckman » Sat Feb 21, 2009 2:57 am

sweet about the darts. Its just that I like building ghetto guns while I am building a nicer gun that just takes more time its just to let the time pass so i can put the finishing touches on my nicer one coming up. O i should have my nicer one up in a week maybe even monday. o and quick response
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Unread postAuthor: littlebro05 » Sat Feb 21, 2009 6:04 am

Dude... it doesn't look ghetto at all... You asked him to use PVC pipes and he used it!... Oh oh... there is electrical tape on it... it must be ghetto!... it's not. It's probably just cheaper to use tape. Give him a break man.

I think it's great! Is that pressure rated pipe btw?
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Unread postAuthor: ckman » Sat Feb 21, 2009 12:32 pm

Yeah its pressure rated pipe I don't know about the plug tho. This gun will be much cooler soon I am thinking about adding a scope paint it and add a stock. It will be tight.
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Unread postAuthor: jrrdw » Sat Feb 21, 2009 3:48 pm

Hows it shoot? You should post video's up in your builds that are showcased. Can't wait to see the nice one your talking about, guess I'll havta. :D

@inonickname, you have a pm.
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Unread postAuthor: psycix » Sat Feb 21, 2009 4:06 pm

Not bad at all!
Your best creation so far! Keep it up!
May I introduce you to this:
Image
These things (but then for larger diameters) will look thousand times nicer then that tape.
Otherwise, try tie-wraps.

Is your barrel secured by friction? Like simply shoving the duct-taped barrel end into the coupler?
Thats NOT safe. Get a cam-lock, union or threaded fitting. One day the barrel will blow out and you've got yourself a harpoon gun.
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Unread postAuthor: trigun » Sat Feb 21, 2009 4:16 pm

You know i kept looking at this gun and then realize why it looked so familiar.
http://www.spudfiles.com/forums/viewtop ... tml#229824
that is the page
http://www.spudfiles.com/forums/files/photo_190_752.jpg
here is the gun almost identical
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Unread postAuthor: ckman » Sat Feb 21, 2009 4:47 pm

Trigun this looks like my other one it is just much cleaner.

Jrrdw it can shoot through 1/2 wood. I will have damage pics and a vid up soon.

psycix Yes my barrel is held in by the tape and I will fix that soon. I think that my gun bone breaker was much better than this gun.
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Unread postAuthor: sputnick » Sat Feb 21, 2009 5:16 pm

Is anyone surprised? Anyone at all?


Didn't think so.

This "nicer one" better be freaking awesome.
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Unread postAuthor: ckman » Sat Feb 21, 2009 5:32 pm

It will it will or at least I think it will be. :P
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Unread postAuthor: FishBoy » Sat Feb 21, 2009 5:39 pm

not a bad build. I would be careful with the friction-held barrel, make sure to keep it clean and don't put anything on it that could act as a lubricant (if it's dirty, dry wipe it with paper towels or something). It's always fun to make small simple things like that, can't wait to see your "better one." Speaking of which, will it be pneumatic or combustion?
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Unread postAuthor: ckman » Sat Feb 21, 2009 5:53 pm

It will be pneumatic.
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Unread postAuthor: FishBoy » Sat Feb 21, 2009 5:54 pm

valve?
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Unread postAuthor: ckman » Sat Feb 21, 2009 6:00 pm

T piston valve piolited by a qev it will be like Ranganoks
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