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Finally, 4SPC completed (4" Sweet Piston 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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Unread postAuthor: LikimysCrotchus5 » Sat Apr 19, 2008 10:47 pm

I cant have the color demean the power of the gun, its got to be somehwat manly :lol: :P
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4SPC, My 4" piston 3" porting cannon
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Fix up copper cannon
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Start Stirrup pump
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Unread postAuthor: bigbob12345 » Sat Apr 19, 2008 10:50 pm

How bought a black bacground with some green flames
That would look cool
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Unread postAuthor: STHORNE » Sat Apr 19, 2008 10:51 pm

LikimysCrotchus5 wrote:I cant have the color demean the power of the gun, its got to be somehwat manly :lol: :P


oh, well without question it's gotta be PINK....lol

maybe blue&white?
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Unread postAuthor: starman » Sat Apr 19, 2008 10:51 pm

Oh and color, and here's a real challenge for you....urban camo the tank and barrel with [white, gray, black] and small brown highlights around the black....solid light gray for tee and endcap.

...Sort of an Arctic camo look. Would really stand out on that big gun.
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Unread postAuthor: LikimysCrotchus5 » Sat Apr 19, 2008 10:53 pm

i think black and blue flames wont be bad, you guys think thats cool?
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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: bigbob12345 » Sat Apr 19, 2008 10:57 pm

The blue might not be too visible in the black if it is a dark shade so you would need to use light blue for it to more visable.
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Unread postAuthor: STHORNE » Sat Apr 19, 2008 10:57 pm

yeah, that sounds awesome

or even a NEON blue if they make it....
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Unread postAuthor: LikimysCrotchus5 » Sat Apr 19, 2008 10:58 pm

Ok i can see that but how about my support for my sealing face?
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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: MrCrowley » Sat Apr 19, 2008 11:05 pm

A huge metal washer... :roll:


...if you can find one :wink:
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Unread postAuthor: STHORNE » Sat Apr 19, 2008 11:07 pm

if you have access to a lathe and some 1/8" steel, you could just make your own...
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Unread postAuthor: bigbob12345 » Sat Apr 19, 2008 11:09 pm

STHORNE wrote:if you have access to a lathe and some 1/8" steel, you could just make your own...


Thats what i did with my 2in piston
I was too lazy to go to the hardware store so I took so sheet metal and attaked it with a dremel.
Turned out pretty well
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Unread postAuthor: STHORNE » Sat Apr 19, 2008 11:10 pm

bigbob12345 wrote:
STHORNE wrote:if you have access to a lathe and some 1/8" steel, you could just make your own...


Thats what i did with my 2in piston
I was too lazy to go to the hardware store so I took so sheet metal and attaked it with a dremel.
Turned out pretty well


kewl, got pics?
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Unread postAuthor: LikimysCrotchus5 » Sat Apr 19, 2008 11:11 pm

Well jrrdw said for me to use a 3 inch one, which would go infront of the sealing face so the sealing face would get pushed through the porting.

But i dont know if that would work because my configuration is not exactly centered so then it may possibly not even seal.

I could, and might, use a 4" washer from mcmaster carr but i dont want it to interfere with the sides of the piston, so would i just go with a 3.75 inch washer?
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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
User avatar
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Unread postAuthor: bigbob12345 » Sat Apr 19, 2008 11:12 pm

STHORNE wrote:
bigbob12345 wrote:
STHORNE wrote:if you have access to a lathe and some 1/8" steel, you could just make your own...


Thats what i did with my 2in piston
I was too lazy to go to the hardware store so I took so sheet metal and attaked it with a dremel.
Turned out pretty well


kewl, got pics?



Its like 10:00PM here so pics will have to wait for tomorrow
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Unread postAuthor: STHORNE » Sat Apr 19, 2008 11:13 pm

that would work but its all up to you....

anyway, its 11:13 here so i think im gonna go to sleep.

again, nice job on the cannon likimyscrotchus5! ill be expecting vids by tomorrow lol.

night
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