Quote:
Originally Posted by Michael Hill
Hmm, perhaps you're right (capital D instead of lowercase D in CD). However, finding the correct constants aren't so trivial.
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If I had a shooter that could launch a ball with the same (known) launch speed and launch angle with and without spin
1, I would try the following:
Set um=0 and adjust ud to match the trajectory
1 with no spin.
Leaving ud at that setting, adjust um to match the trajectory with the expected spin. (repeat to get um's for various spins if needed).
Then I'd launch the ball at various angles (and speeds) and see how well the simulations matched the actual trajectories
1.
It would make an interesting science project.
1Probably need a high-speed frame-timestamped video camera to determine launch speed, angle, spin, and trajectory