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would this work

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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would this work

Unread postAuthor: tape fist » Sun Jan 25, 2009 5:24 pm

i want to make an air soft gun out of stuff i have around the house and this is my idea would it work?Image
sorry there not much detail
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Unread postAuthor: jonnyboy » Sun Jan 25, 2009 5:30 pm

It will work, although what kind of pvc do you plan on using? 300 psi scares me a little with pvc especially if you use c02 as your pressure source as it's very cold (pvc doesn't like cold).

Now if your using a bike pump you should be ok as long as the pipe is rated above 400 psi as a safety feature I would add a gauge to the chamber.

There is a link in my sig to a bbmg that uses airsoft magazines and would fit into your design nicely.
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mobile chernobyl wrote:I can shoot a Canuter Valve off my '82 Chevy Ram F150 AT LEAST 3/4 Mile with 'ma cannon made of soup cans duct taped together, then I just squirt some bacardi 151 in the chamber and hold up my cigarrete lighta and WHOOSH! That thing flies at least 3/4 mile
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Unread postAuthor: MaxuS the 2nd » Sun Jan 25, 2009 5:30 pm

Sure, if you have all that crap just lying around your house. Where's my doubtful smiley gone?

Honestly, this is what people make them from anyway.
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Unread postAuthor: tape fist » Sun Jan 25, 2009 5:36 pm

ya im using two bike pumps to reach 300 psi also i have the PVC warped tightly with twine.
Sure, if you have all that crap just lying around your house. Where's my doubtful smiley gone?

Honestly, this is what people make them from anyway.

yes i have this laying around my house because i buy packs of part because its cheaper and swap meats help.
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Unread postAuthor: iknowmy3tables » Sun Jan 25, 2009 5:43 pm

I doubt you have a 300psi blowgun, for a simple 100psi I recommend soda bottles especially those 3 liters, there big but there light so their good for portable pneumatic, I also doubt you have a good 5feet of 6mm ID pipe or brake line
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Unread postAuthor: jonnyboy » Sun Jan 25, 2009 5:45 pm

tape fist wrote:ya im using two bike pumps to reach 300 psi also i have the PVC warped tightly with twine.
Sure, if you have all that crap just lying around your house. Where's my doubtful smiley gone?

Honestly, this is what people make them from anyway.

yes i have this laying around my house because i buy packs of part because its cheaper and swap meats help.

Twine will do NOTHING to stop pvc shrapnel. Does the pvc say nsf-pw? Is there any pressure rating on it like xxx psi? The only pvc that would be rated to that would be 3/4 inch and below the pipe I have is 3/4 and rated to 370 psi.

I would just buy a stick of 2" steel pipe from home depot just to be safe.
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mobile chernobyl wrote:I can shoot a Canuter Valve off my '82 Chevy Ram F150 AT LEAST 3/4 Mile with 'ma cannon made of soup cans duct taped together, then I just squirt some bacardi 151 in the chamber and hold up my cigarrete lighta and WHOOSH! That thing flies at least 3/4 mile
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Unread postAuthor: tape fist » Sun Jan 25, 2009 5:47 pm

like i said i go to the swap meet and buy any thing useful cause im a pack rat:) but you are right i didn't think about my blowgun valve thank you
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Unread postAuthor: tape fist » Sun Jan 25, 2009 5:51 pm

Twine will do NOTHING to stop pvc shrapnel. Does the pvc say nsf-pw? Is there any pressure rating on it like xxx psi? The only pvc that would be rated to that would be 3/4 inch and below the pipe I have is 3/4 and rated to 370 psi.

I would just buy a stick of 2" steel pipe from home depot just to be safe.

there goes my false sense of security.now i have to go buy something:(
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Unread postAuthor: iknowmy3tables » Sun Jan 25, 2009 8:46 pm

no just use soda bottles they are safe to 100psi

EDIT: I would recommend Antonio's old design, I think it was about last summer this design got kinda popular because it allows you to tap off a small bottle air source for multiple shots effectively
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Unread postAuthor: Davidvaini » Sun Jan 25, 2009 9:50 pm

jonnyboy wrote:
tape fist wrote:ya im using two bike pumps to reach 300 psi also i have the PVC warped tightly with twine.
Sure, if you have all that crap just lying around your house. Where's my doubtful smiley gone?

Honestly, this is what people make them from anyway.

yes i have this laying around my house because i buy packs of part because its cheaper and swap meats help.

Twine will do NOTHING to stop pvc shrapnel. Does the pvc say nsf-pw? Is there any pressure rating on it like xxx psi? The only pvc that would be rated to that would be 3/4 inch and below the pipe I have is 3/4 and rated to 370 psi.

I would just buy a stick of 2" steel pipe from home depot just to be safe.



1.25" SCH 40 NSF-PW is rated for 370psi.
Picture:

Image

I wouldn't recommend anything larger then 1.25" though because of temperature changes.
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