Quote:
Originally Posted by krap101
Here's the math.
Assuming no slip, the point of contact is seen as instantaneously at rest, meaning you can see the center of the bb as rotating about that point. That means that the center of mass is moving at 400fps, 121.92m/s, with a lever arm of 3mm, and angular velocity is v/r=> 40640 rps.
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Maybe I'm missing something here, but wouldn't the spin velocity change based on hopup material used and also have no relation to how fast the BB is travelling (at least not a linear relation)?