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Re: about Adair's book: for Jack


Posted by: Jack Mankin (MrBatspeed@aol.com) on Sat Nov 13 19:16:07 2004


>>> He(Adair) states in his book that the body moves forward about 18 inches at 7 mph during the swing. (not before rotation, but during the swing).


I have third edition. '18 inches' was cut and '7 mph' was changed to '6 mph' in it

I'd like to ask you about your phrase '(not before rotation, but during the swing)'. Isn't it your misunderstanding of his theory? <<<

Hi Marlin

No, there is no misunderstanding. I have discussed this very point with him in phone calls and by mail. In a paper I sent him, I stated that batters might stride forward as they prepare to swing. However, their forward motion ceased before rotation and they rotated around a stationary axis. He stated that was impossible. For a batter to develop the needed kinetic energy for the swing there must be forward movement of body mass during the swing. He then went on to state in a letter to me that any batter who rotated around stationary axis could not generate enough energy to hit a ball past second base.

I am not saying that he still holds that view. However, that was his view in 1990 as expressed in his book and during our phone discussions and was also stated in his letter to me.

Jack Mankin


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This is known as hitting for the cycle in a game?
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