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Golf Ball Barrel

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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Golf Ball Barrel

Unread postAuthor: mlz3000 » Sun Nov 28, 2010 12:27 am

I'm about to order one of these, but before I did, I just wanted to ask a few questions.

How well do the golf balls fit? Would I need wadding?

Does the breech loading cause any notable decrease in power, or is the cover sufficiently air tight?
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Unread postAuthor: omniscient » Sun Nov 28, 2010 2:23 am

If the pipe is SDR21, then the I.D. is 1.700" and golf balls are generally 1.68" in diameter. This leaves only .020" as a remainder (or a mere .010" all the way around)... Absolute perfect fit for golf balls!

The SDR21 can be used as a sleeve in 2" SCH80 PVC, but it is pretty difficult to sleeve pipe lengths over 3 feet.

The breech designs, with the 2" SCH80 sleeve, usually have machined grooves in the sleeve, which has fixed o-rings. I've never used one, but have heard that they work quite well.
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Unread postAuthor: mlz3000 » Sun Nov 28, 2010 7:57 am

Awesome, thanks!
Looks like I'm going to be buying one. :D
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