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Unread 11-02-2013, 15:07
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Ether Ether is offline
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Re: Frisbee Trajectory Calculator

Quote:
Originally Posted by Ether View Post
...derivation for the force Fx is incorrect...
Just heard back from the author. He wrote that paper as a class assignment as an undergrad. It was never published.

He agrees Eq12 is wrong. So equations 13 thru 17 are also wrong, as is the simulation.

Baumback used those equations as the basis for her simulation, so it's wrong too.

Internet advice: caveat utilitor