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Originally Posted by Team 614
If your ball travels more than 19.5 feet, then your muzzle velocity is too great.
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Very cool.
We measure muzzle velocity by shooting the ball through a light beam (an LED and sensor pair, spaced 8" apart) and measuring the time it takes for a 6.875" ball to cross it. We used a storage oscilloscope to measure the time, but we're looking for a better way of measuring the time, on the order of 15 milliseconds.
Don