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| elitesniper |
 Posted: 01/05/2008 21:38 PM Post subject: 3 inch Penumatic Cannon |
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Brigadier General
Joined: 13 Oct 2007
Posts: 1002
922.09 Spud Bux
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Well im not sure i can call this little thing a cannon  but what the heck. This is my smallest pneumatic its only about 3 inches long , its a coax it has a 6mm barrel for bbs the chamber is 3/4 sch80 , it is filled with a sharader valve and exhausted with the sharader valve , its runs at about 100-170 psi. oh and the sealing face is mousepad everythings held in with epoxy ,hope you guys like 
Last edited by elitesniper on 01/05/2008 21:46 PM; edited 1 time in total |
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| LikimysCrotchus5 |
| Posted: 01/05/2008 21:42 PM Post subject: |
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Brigadier General
Joined: 04 Sep 2007
Posts: 976
2288.98 Spud Bux
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| Nice, but show a pic of the barrel. |
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| elitesniper |
| Posted: 01/05/2008 21:43 PM Post subject: |
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Brigadier General
Joined: 13 Oct 2007
Posts: 1002
922.09 Spud Bux
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| yes sir comming right up lol |
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| BigJon |
| Posted: 01/05/2008 21:45 PM Post subject: |
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Staff Sergeant
Joined: 30 May 2007
Posts: 120
217.87 Spud Bux
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| Wow that thing is tiny! I bet it's fun though, and what kind of performance do you get with this "cannon"? |
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| elitesniper |
| Posted: 01/05/2008 21:47 PM Post subject: |
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Brigadier General
Joined: 13 Oct 2007
Posts: 1002
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| about the performance of an airsoft springer haha but a tiny tiny tiny tiny bit better |
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| c19o |
| Posted: 01/05/2008 22:00 PM Post subject: |
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Major
Joined: 14 Dec 2006
Posts: 354
151.81 Spud Bux
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Wow I was expecting some cannon with a 3" barrel.
Nice performance, reminds me of my failed attempt at a mini coaxial.
Heres mine, except it didn't work. 
It was designed to shoot the ball points out of a pen.
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| elitesniper |
| Posted: 01/05/2008 22:02 PM Post subject: |
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Brigadier General
Joined: 13 Oct 2007
Posts: 1002
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WOW thats reeaaly small  lol to bad it didnt work though  |
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| c19o |
| Posted: 01/05/2008 22:06 PM Post subject: |
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Major
Joined: 14 Dec 2006
Posts: 354
151.81 Spud Bux
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Well it kinda worked, the piston sealed but the pressure pushed the barrel out. Piston was an eraser with 1 layer of duct tape.
Tomorrow if I get bored I'll finish my other cannon, its a .177 cal barrel sealing piston gun in a tee.
BTW, how well does that epoxy bond PVC to PVC? Without sanding or roughening up the surface |
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| elitesniper |
| Posted: 01/05/2008 22:12 PM Post subject: |
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Brigadier General
Joined: 13 Oct 2007
Posts: 1002
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| you didnt epoxy your barrel? o yeah i forgot to put its service able! |
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| c19o |
| Posted: 01/05/2008 22:16 PM Post subject: |
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Major
Joined: 14 Dec 2006
Posts: 354
151.81 Spud Bux
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| No, I used clear silicon gasket maker. Bad, bad decision I made... |
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| elitesniper |
| Posted: 01/05/2008 22:16 PM Post subject: |
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Brigadier General
Joined: 13 Oct 2007
Posts: 1002
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| epoxy answers all |
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| c19o |
| Posted: 01/05/2008 22:21 PM Post subject: |
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Major
Joined: 14 Dec 2006
Posts: 354
151.81 Spud Bux
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Not my 4" piston, it ripped out the washer that was epoxied in.  |
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| MrCrowley |
| Posted: 01/05/2008 22:22 PM Post subject: |
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Blizzard of Ozz
Joined: 23 Jun 2006
Posts: 5949
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Haha very nice, JSR would be proud  |
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| elitesniper |
| Posted: 01/05/2008 22:28 PM Post subject: |
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Brigadier General
Joined: 13 Oct 2007
Posts: 1002
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| i hope he will |
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| TwitchTheAussie |
| Posted: 01/05/2008 23:13 PM Post subject: |
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Brigadier General
Joined: 06 Feb 2007
Posts: 929
993.70 Spud Bux
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| elitesniper wrote: | | epoxy answers all |
All hail epoxy |
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