8" Gun is in the making

Post questions and info about combustion (flammable vapor) powered launchers here. This includes discussion about fuels, ratios, ignition systems and anything else relevant to launchers powered by igniting things like hairspray or propane.

Postby SMOMW » Wed Mar 07, 2007 3:52 pm

looks good, try to look up my large cannon in finished cannons (i think i posted it...)... right now I don't have time to look it up for you but otherwise I would... however if you've seen gorts and drs it's not much different.
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Postby Velocity » Wed Mar 07, 2007 4:03 pm

<a href="http://localhost/forums/viewtopic.php?t=13152">Link-finder to the rescue!</a>
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Postby noname » Wed Mar 07, 2007 6:35 pm

Somewhat helpful, mine will be a little smaller, I don't have very much space to shoot it,
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Postby BewareOfDog » Wed Mar 07, 2007 10:12 pm

Jspellman built one a while back, based on a small basketball launcher that I had built:

<a href="http://pages.villagephotos.com/page.asp?page_id=3726">Soccer Ball Combustion Cannon</a> ~Jspellman

<a href="http://pages.villagephotos.com/page.asp?page_id=3714">Mighty Mouse</a>~DR
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Postby noname » Thu Mar 08, 2007 12:03 am

So you just use an air compressor to vent it, or is the fan for that too. I guess the propane meter has a male QC after the ball valve?
Great idea with the BBQ igniter arm, using something like that means I won't have to blow 20 bucks on a stungun.
I might make a couple small ones like yours and sell them to people, any idea on how far they shoot?
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Postby BewareOfDog » Thu Mar 08, 2007 12:09 am

noname:
VERY bad idea to even entertain the possibility of selling something similar to these to anyone!- A short, vertically-based launcher- combined with a capability to produce forces in excess of 2,000 lbs. is not something your average mentally-challenged consumer is capable of operating safely.
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Postby noname » Thu Mar 08, 2007 5:29 pm

I'd have to say that's true, but could someone who has bought cannons from me before and knows operation, safety, etc. be an exception?
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Postby FLONE » Thu Mar 08, 2007 5:55 pm

<blockquote id="quote"><font size="1" face="tahoma,verdana,arial" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by noname
[br]I'd have to say that's true, but could someone who has bought cannons from me before and knows operation, safety, etc. be an exception?
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

Take the hint. It's your neck in the noose if/when something goes wrong. Lawyers put their kids through school on these kinds of things.
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Postby noname » Sat Mar 10, 2007 3:12 pm

<a href="http://www.spudfiles.com/forums/viewtopic.php?t=6636&">Oh No! My meter's leaking</a>
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Postby sgort87 » Sat Mar 10, 2007 4:44 pm

That's an interesting way to find leaks...
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