Quote:
Originally Posted by jijiglobe
1800 rpm with a 1" diameter intake roller so we had a surface speed of about 400 fps. We were originally worried about stalling out the intake and burning the motor so we didn't go for the 775pro, opting instead for a bag motor. As it turns out though, the stall torque of a bag is almost the same as a 775pro's optimal power output torque, so going 775pro is almost always the way to go. We switched to the 775pro for champs.
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you may want to check your math. I get closer to 8 fps....
(1800 rpm = 30 rev/second, 1" DIA = 3.14159" circumference, this equals about 94 in/sec which is about 8 fps).