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My first Coaxial (video)

Built a pneumatic 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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My first Coaxial (video)

Unread postAuthor: Counterstriker » Sat Mar 29, 2008 6:49 pm

Thanks to everyone it is finished! :D I fixed all the kinks out and it's awsome! Keep in mind its only about 20-30 Psi in the vid.

If you want the specs just ask!

Click the GGDT picture and maximize it.

[youtube]http://www.youtube.com/watch?v=hZryqos1HUk[/youtube]
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Unread postAuthor: STHORNE » Sat Mar 29, 2008 7:02 pm

wow, for your first, that thing is wicked.

and yes, i would like specs please.
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Unread postAuthor: elitesniper » Sat Mar 29, 2008 7:08 pm

what size barrel and chamber?
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Unread postAuthor: Counterstriker » Sat Mar 29, 2008 7:15 pm

The barrel is 11 inches, The piston is in the 1/2" brass steel nipple, The chamber is 10", The piston is a crayola marker with epoxy in it with a neoprene sealing face, The valve is a 1/4" ball valve. If I am missing something tell me and I will tell you.

Thanks for the positive feed back!
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Unread postAuthor: elitesniper » Sat Mar 29, 2008 7:17 pm

I ment the diameter of the chamber, its probably 3/4
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Unread postAuthor: Counterstriker » Sat Mar 29, 2008 7:18 pm

elitesniper wrote:I ment the diameter of the chamber, its probably 3/4



Correct :D
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Unread postAuthor: elitesniper » Sat Mar 29, 2008 7:21 pm

If you want more power and all you have is a crappy bike pump, try using propane, i think it has about 200psi in it at the right conditions.
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Unread postAuthor: bigbob12345 » Sat Mar 29, 2008 7:24 pm

come on
make a high pressure pump and bring that thing to 300psi

anyways nice job
pretty much the same as mine except metal
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Unread postAuthor: Counterstriker » Sat Mar 29, 2008 7:25 pm

elitesniper wrote:If you want more power and all you have is a crappy bike pump, try using propane, i think it has about 200psi in it at the right conditions.


Well I am gonna buy a Compressor soon, Since I just got a weekend job, I will enough money. Thanks though, I think I'll try it.
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Unread postAuthor: elitesniper » Sat Mar 29, 2008 7:31 pm

Im making one just like this just for the purpose of using propane :)Well compressor usually only go up to 150, mines only goes to 125.
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Unread postAuthor: Counterstriker » Sat Mar 29, 2008 7:54 pm

elitesniper wrote:Im making one just like this just for the purpose of using propane :)Well compressor usually only go up to 150, mines only goes to 125.


How many gallons is the compressor you own?
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Unread postAuthor: elitesniper » Sat Mar 29, 2008 7:56 pm

10 gallon 2.5 hp.
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Unread postAuthor: Counterstriker » Sat Mar 29, 2008 8:02 pm

bigbob12345 wrote:come on
make a high pressure pump and bring that thing to 300psi

anyways nice job
pretty much the same as mine except metal


I am debating.. Should I use my 60$ to make a high pressure pump, Or buy a 2 gallon compressor? What would you do if you had to choose?
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Unread postAuthor: elitesniper » Sat Mar 29, 2008 8:06 pm

save your money. you can buy a 10 gallon for a 100.
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Unread postAuthor: starman » Sat Mar 29, 2008 8:20 pm

elitesniper wrote:save your money. you can buy a 10 gallon for a 100.

I agree. Buy as much compressor as you can afford, you won't be sorry. The little units run hot and typically have a short life span. They are designed for road side emergencies and the occasion beach ball blow up.
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