Search found 2 matches

by teamsushi
Sun Nov 13, 2005 11:01 pm
Forum: Pneumatic Cannons
Topic: 15ft steel cannon
Replies: 13
Views: 7317

Yeah it's helium filled (300 psi) so our hope os that since the speed of sound is much faster in helium that will give us the extra boost to hit the sound barrier. grrr yeah we were supposed to have a 15ft barrel but McMaster screwed up our order and we could only get a 6ft in time. And I have to ad...
by teamsushi
Sun Nov 13, 2005 5:45 pm
Forum: Pneumatic Cannons
Topic: 15ft steel cannon
Replies: 13
Views: 7317

15ft steel cannon

It took us a few weeks of after hours work but we built a 15ft cannon. We set up some diodes and clocked a lemon at mach .9

there are pics and video here

http://www.teamsushi.com/potato/
http://www.teamsushi.com/Picnic/

Image