Purdue University's Professor Mark French and his graduate students, Craig Zehrung and Jim Stratton, have built an air gun that fires a ping-pong ball at over Mach 1.2 (900 mph or 1,448 km/h).

Here A is the cross sectional area of the ping-pong ball. Obviously, Wikipedia has the dimensions of an official ball. The radius is 20 mm with a mass of 2.7 grams.

A Ping-Pong gun can rip soda cans apart. Mark French via YouTube. Jan. 28, 2013, 7:19 PM EST. By John Roach. Purdue University researchers built a Ping-Pong gun, shown here, that fires balls at ...

If you've ever built any device like mine or the Supersonic Ping-Pong Gun let me know, I'd be interested to hear what you built and how well it worked. Editorial Standards Reprints & Permissions.

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3. What size are ping pong balls. Standard ping pong balls are either 40mm or 1.5" in diameter. 4. How far/Fast do you want to shoot them? Not too fast to be dangerous. 10-20 feet is probably ...

Savage, the former MythBuster turned founder of Tested, completed for his latest one-day build something he said has been on his mind since he was a teenager.Not just a ping pong-ball gun like the ...