----- Original Message -----
From: Horace Heffner <[email protected]>
Date: Sunday, August 16, 2009 4:20 pm
Subject: Re: [Vo]:Ball Bearing motor COAM test

> 
> On Aug 16, 2009, at 11:18 AM, Harry Veeder wrote:
> >>
> >> http://www.youtube.com/watch?v=6OdBa8bZHl8
> >>
> >> http://tinyurl.com/r7e5gu
> >
> >
> > I was wondering about changing the orientation too, although I would
> > have suggested clamping the motor vertically
> 
> 
> Uh ... I *did* remount the motor vertically for that test.  Compare 
> 
> to the prior video where it is mounted horizontally:
> 
> http://www.youtube.com/watch?v=PWlVn-uqxig
> 
> I had to do this because I needed to keep the battery in its proper 
> 
> orientation.

oh I see.
Why do you keep the battery covered with that plastic container?
 
> 
> > (instead of hanging the
> > apparatus) to see if gravity affects the motor.
> >
> > Harry
> 
> I have no idea what you mean here. This is a test of angular 
> momentum  
> conservation, not gravity. If the motor does not conserve angular  
> momentum then the base to which it is attached will spin in the 
> axis  
> in which the motor spins - which it did not.


I understand.
I just meant reorienting the motor and running it in place.

Harry

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