2016-09-20
[public] 577K views, 14.0K likes, dislikes audio only
I built an infrared speed sensor for my potato cannon.
More information: http://www.williamosman.com/2016/09/potato-cannon-speed-sensor.html
Yes, I could have displayed mph instead of converting from fps.
Average acceleration: 328 g's
Acceleration time: 0.024 seconds
Projectile energy: 211 joules
Average power: 9250 watts ~ 12.4 horsepower
Music: http://www.newgrounds.com/audio/listen/695153
Lots of filming by: John Willner