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Re: Re: Adair Model vs Rotational Model

Posted by: Teacherman () on Sun Mar 7 15:06:22 2004

Hi All
> >
> > This thread is in response to an earlier post from Teacherman
> >
> > (Teacherman)
> > >>> When challenged you have to defend. If you can, great. And everyone benefits. If you can't....well, everyone learns again. I'm still waiting on a couple of issues to be clarified instead of "buried in the sand". Those include max batspeed and the whip effect and the existance of tht. Nothing ever gets settled. Questions get tough and answere get scarce. <<<
> >
> > Hi Teacherman
> >
> > I agree with you that there are basic issues regarding what forces are acting on the bat to induce angular displacement that require clarity between Paul and I. From what I have read from Paul’s writings, it would appear that he accepts Professor Robert K. Adair’s model of the baseball swing. His type of model has been the basis for the teaching of linear transfer mechanics for decades. He contends in his model that there is no torque factor involved in generating angular bat displacement.
> >
> > Adair believes that forces applied by the hands to the handle of the bat have little or no effect on inducing angular displacement. Or in other words, torque is not a factor. His model relies on the “whip effect,” which I will reprint from Adair’s book at a later time.
> >
> > If Paul concurs with Adair’s model of the swing, it would be understandable that he would discount both THT and BHT. Teacherman, ask Paul if he concurs with Adair’s model of the swing. If his principles for inducing angular displacement should differ from Adairs, please list them. I had rather Paul keep his replies and bedside manners on his site and I will respond on mine.
> >
> > This is a very important issue. Batspeed.com presented the first (and maybe only) “Rotation Transfer Mechanics Model” where the hands applying force from opposing directions (torque) is a major factor in generating bat speed. Therefore, I will start it as a new thread.
> >
> > Jack Mankin
> >
> >
> > You can't defend so-called top hand torque and I'm not even going to bother anymore.Adios.

This one is fake


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