Tennis ball launcher

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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Tue Jun 29, 2021 6:15 pm

Atempting to make a low powered tennis ball launcher, couldn't find a suitable piece of pipe for the barrel so made my own from flat piece of stainless, not perfectly round and has a bit of a seam but I think it will do the job.
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Tue Jun 29, 2021 6:23 pm

I think it will too. For whatever it's worth, I say mount the barrel with the seam at the top and pray for a backspin. :D
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Tue Jun 29, 2021 8:53 pm

Very cool. I made a tennis ball cannon in high school from a rolled and welded sheet like that. It worked perfectly and I bet yours will too.
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Wed Sep 08, 2021 2:50 pm

Sorry for late response, just a heads up.

2-3/4" exhaust pipe from any auto parts store has a Inside Diameter of 2-5/8ths of a inch. ($30 to $50 for a ten foot piece.)
A tennis ball fits perfectly into them.
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