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Copper Fun Cannon!

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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Copper Fun Cannon!

Unread postAuthor: LikimysCrotchus5 » Sat Aug 09, 2008 2:32 pm

Aside from showing What i have been working on lately I finally completed it!!

Specs:
Barrel:6 feet of 3/4 inch copper tube M rating
Chamber: 4 feet of 1 inch copper tube M rating
Pilot:1/4 inch by 1/4 inch by 3/8 inch QEV
Piston:Hot glue
Sealing Face:Three layers of bike inner tube

Pitlot/fill setup
Pilot Valve
0-600 psi Guage
Bolt Action Breech Open
Bolt Action Breech closed

And as soon as i can finish my shock pump, then ill get damage pics.
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Copper gun complete 1 modified.JPG
In all her glory!!
4SPC, My 4" piston 3" porting cannon
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Fix up 4SPC
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Unread postAuthor: SpudFarm » Sat Aug 09, 2008 2:35 pm

looks good, operating pressure and damage?
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Unread postAuthor: LikimysCrotchus5 » Sat Aug 09, 2008 2:38 pm

Well so far, the most i can get is 120 psi but as soon as i can get my shock pump done (which sadly wont be for two more weeks), then ill have 300 psi +.
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Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
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Unread postAuthor: origin unknown » Sat Aug 09, 2008 2:39 pm

What kind of fill port is on that? Schrader or Male quick release coupling? It looks to be a coupling, but I'm not sure.
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Unread postAuthor: LikimysCrotchus5 » Sat Aug 09, 2008 2:40 pm

Just a male quick connect, did you look at the zoomed in link pictures i have up there?
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4SPC, My 4" piston 3" porting cannon
Memo:
Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
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Unread postAuthor: origin unknown » Sat Aug 09, 2008 2:53 pm

Oh, I didn't see those zoomed in ones at first.
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Unread postAuthor: POLAND_SPUD » Sat Aug 09, 2008 5:50 pm

@LikimysCrotchus5 hey that's a really nice gun... can't wait to see some dammgae pics... do you plan to use marbles ?

BTW before you take that to 300+ psi make sure that the hose can handle it... it seems to me that it is rather weak
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Unread postAuthor: LikimysCrotchus5 » Sat Aug 09, 2008 7:20 pm

Yea i think im gonna change the hose, so can anyone tell me where i can get some good pressure rated hose?

If not, then ill just completely take off the hose and it should be ok.

For ammo, i use crab apples, they just grow off the tree i have in the front yard but i am soon gonna be using ammo like pykrete slugs and epoxy too probably.
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4SPC, My 4" piston 3" porting cannon
Memo:
Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
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Unread postAuthor: starman » Sat Aug 09, 2008 11:58 pm

Some new mods I see. The gage pic stinks and I'm not sure I would fool with the safety ball valve, but it's a usable option...just places the blow gun a little low.

Otherwise I like seeing you progress the cannon forward. It has all the trappings of good performance for its size and caliber.
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Unread postAuthor: LikimysCrotchus5 » Sun Aug 10, 2008 12:07 am

Thank you starman..

I do agree with the trigger but since safety is always a concern, ill just have to keep it on.
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4SPC, My 4" piston 3" porting cannon
Memo:
Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
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Unread postAuthor: starman » Sun Aug 10, 2008 12:12 am

LikimysCrotchus5 wrote:I do agree with the trigger but since safety is always a concern, ill just have to keep it on.


Maybe you could give some thought to some kind if reconfiguration if you want to leave it...a way to get the blow gun better placed. It's not that big a deal, just being picky tonight.... 8)
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Unread postAuthor: LikimysCrotchus5 » Sun Aug 10, 2008 12:14 am

Yea i see what you mean, aesthetics over safety.

No but really it doesnt bother me (yet).

If i feel like it, ill play around with it
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4SPC, My 4" piston 3" porting cannon
Memo:
Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
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Unread postAuthor: starman » Sun Aug 10, 2008 12:25 am

LikimysCrotchus5 wrote:Yea i see what you mean, aesthetics over safety.


Well I believe there's usually room for both... :wink:
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Unread postAuthor: LikimysCrotchus5 » Sun Aug 10, 2008 9:50 am

Yea that was was meant to be sarcastic, forgot the smile :roll:
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4SPC, My 4" piston 3" porting cannon
Memo:
Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
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Unread postAuthor: Gippeto » Sun Aug 10, 2008 3:07 pm

Looking good! :)

Some options for the hose might be, regular compressor hose (300psi rated) or hydraulic hose (rated at more than you will ever pump to :wink: )

Awaiting the damage pics.
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