That is so Wicked!

10' long, 4" PVC. Barrel is 1 1/2" schedule 40 pvc. My Dad is a retired engineer & machinist with a garage full of machine tools and too much time on his hands. He fabricated a tool that bores the barrel ID to 1.7". A real home made beauty. I'll post a pic of it when have time. Some balls won't fit,...

I rebuilt a gun design my Dad did years ago. I took it out in the boonies (deserts of Utah) and was getting 600-650 yards at 60 psi. I was pretty impressed, but I have no data for comparison. 650 yards is crap for all I know. :) I was wondering what others were getting. Couple of pics below. A few c...

Hi, new guy here. How far could a home made pneumatic cannon made from schedule 40 PVC shoot a golf ball? Are there any world records?
Thanks!