From: "John Murray" 
To: "'Richard Schwartz'" ,
        
Reply-To: "John Murray" 


G'day Richard,
        I'm unable to detect any friction for rotation in the horizontal
plane, however, it may be that the toggle has very little to no rotation in
the vertical plane. I suspect that this may be contributing to it.


Cheers

John Murray
Whyalla
South Australia
Our ATM page is at
http://astronomy.sa86net.com

> -----Original Message-----
> From: owner-atm{at}shore.net [mailto:owner-atm{at}shore.net] On
> Behalf Of Richard Schwartz
> Sent: Friday, 21 March 2003 4:11 AM
> To: atm{at}shore.net
> Subject: Re: ATM Re: [M-O-M] Still refusing to spin
> properly............
>
>
>
> How much friction is there between the top workpiece and the
> driving pin?
> Could that be binding?   I have just got my machien wroking
> again, and my
> driving pin is a half inch ball.   I made some stick-on drive
> plates: 2" x
> 2" brass squares with a copper pipe end cap soldered to the
> center.   These
> stick on to the back of mirror and tool with pitch.   The
> turntable has a
> hole so that the work can be inverted without having to
> unstick everything.

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