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Old 11-11-2008, 11:35 PM   #1 (permalink)
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want to build a air powerd cannon for fun

i was thinking of using a 1/2 inch emt piping . about 4 or 5 foot .
hook up a air source ( 800 psi ) and some kind of trigger system that can hande that . i was thinking about ising a co2 bottol as the gas . then what kind of trigger can take 800 psi and bring it right to the back of the tube ? what speed are we talking about with AA batts with electrical tape to fit exact od of the tube . or marbles ? is this a simple thing ? .
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Old 11-11-2008, 11:41 PM   #2 (permalink)
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Paper Dart Primer

That site is about blowdarts from paper. If you can hook up an air source to that,

you have to us 3/4 inch pipe for optimum performance, if i remember correctly.
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Old 11-11-2008, 11:44 PM   #3 (permalink)
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Doc Zox is probably the resident air canon expert. There also might be some older threads aorund the dead zone.
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Old 11-11-2008, 11:51 PM   #4 (permalink)
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Brass Ball Valves work well.

Galvanized Steel pipe too.
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Old 11-12-2008, 12:27 AM   #5 (permalink)
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this is a well designed set of plans:
CSV19 Pneumatic Antenna Launching System
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Old 11-12-2008, 10:04 AM   #6 (permalink)
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Power washer valves work too.
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Old 11-12-2008, 12:21 PM   #7 (permalink)
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Building air cannons from PVC was my hobby before paintball, you need to see this site; SpudFiles , although most of the stuff is low pressure there is a lot of useful information there.
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Old 11-12-2008, 01:13 PM   #8 (permalink)
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Quote:
Originally Posted by {Drake} View Post
Building air cannons from PVC was my hobby before paintball, you need to see this site; SpudFiles , although most of the stuff is low pressure there is a lot of useful information there.
Also some nice hybrids.
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