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Home-made Pneumatic Tennis Ball Gun

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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Unread postAuthor: MrCrowley » Sat Aug 19, 2006 11:05 pm

StClingin im from New Zealand as well, we use three pressure lable things on pipes heres the first.

Class A=low pressure
Class B=medium pressure
Class C=80psi max
Class D=145psi max
Class E=170psi max
Class F=260psi max

Class 1-18
1 being the lowest pressure
18 being the highest

now if it doesnt have those on the pipe it might have PN which stands for "Pressure Number" if it has PN12 that means 12BAR(173psi)

i think thats all correct i may be a tad off :roll:
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Unread postAuthor: frankrede » Sun Aug 20, 2006 1:45 am

SpudStuff wrote:not if you buy them onlune or make them at work.

Still,most people make their own, I dont want to spend 1000 on a cannon I could build for less than 300
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Unread postAuthor: SpudStuff » Sun Aug 20, 2006 2:14 am

sarcastic comment
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