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Ball Valve vs Sprinkler

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Ball Valve vs Sprinkler

Unread postAuthor: Hunter32 » Fri Jan 05, 2007 9:30 pm

right now i built my first gun.. it has a 4ft 3" chamber, and a 5ft 2" barrel, and a 1" one... with the 1" it shoots rocks baout 200yards at about 90psi.. i know the valve is slow to open, and i tried my 2" barrell n put a golf ball in it.. it barely even made it out of the barrell, 2 feet maybe.. i don't really know why... but i am asking if i do the mod sprinkler valve.. i know its faster.. but what kinda perfomance increase will i see? with the 1" barrel will it go from 200yard to 300? and the golf ball situation?
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Unread postAuthor: benstern » Fri Jan 05, 2007 9:33 pm

The performance will at least triple.
You should invest is sdr-21 golfball barrel.
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Unread postAuthor: schmanman » Fri Jan 05, 2007 9:39 pm

how many psi was it at?
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Unread postAuthor: Hunter32 » Fri Jan 05, 2007 9:52 pm

the golf ball? 70,, i've had it up 160 PSI on the 1" barrell
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Unread postAuthor: MrCrowley » Fri Jan 05, 2007 9:57 pm

The GB aint going anywhere as there is too much blow by as the golf ball doesnt fit well enough in a 2" barrel, either wad the golf ball or buy 1.5" SDR-21
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