From: James P Crombie 
To: "McHatten, Shawn" , Atm List

Reply-To: James P Crombie 


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Shawn
  The Rotation in the movie is an artifact.  They are both turning CCW,
and the mirror is simply following the platter.  No power to the mirror. 
Like the wheels on the old truck in the Beverly Hillbillies :-)
  Look forward to seeing you.  Are you going to Nova East next week?

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Hey Jim
Nice job on the machine! It looks like you could handle a bit bigger
mirror. How big do you think you can go? Also looking at the gif it looks
like the mirror is turning the opposite way as the tool. Is this just a
function of the way these machines work or is the upper arm motorized to
turn the mirror specifically. I don't remember seeing other machines that
do that.
I've been threatening to come see you, so maybe next time I'm to Princess
Auto in Moncton I'll hop over the bridge for a visit :). Again, great work.
Let us know how it goes. Thanks
Shawn

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James P Crombie

Summerside                   Machinist
Prince Edward Island         Amateur Astronomer
Canada                       3D Designer

E-mail                       jpcrombie{at}pei.eastlink.ca
Astronomy webpage            http://www.jamescrombie.com
Rhinoceros 3D webpage        http://www.jamescrombie.com/rhino/
Mirror Grinder page          http://www.jamescrombie.com/pics/
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Shawn
  The Rotation in the movie is an artifact.  They are both turning
CCW,
and the mirror is simply following the platter.  No power to the
mirror.  Like the wheels on the old truck in the Beverly
Hillbillies
:-)
  Look forward to seeing you.  Are you going to Nova East next
week?

----------------------------------------------------------
Hey Jim
Nice job on the machine! It looks like you could handle a bit bigger
mirror. How big do you think you can go? Also looking at the gif it looks
like the mirror is turning the opposite way as the tool. Is this just a
function of the way these machines work or is the upper arm motorized to
turn the mirror specifically. I don't remember seeing other machines that
do that. 
I've been threatening to come see
you, so maybe next time I'm to Princess Auto in Moncton I'll hop over the
bridge for a visit :). 
Again, great work. Let us know how it goes.  Thanks
Shawn

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James P Crombie

Summerside                   Machinist
Prince Edward Island         Amateur Astronomer
Canada                       3D Designer

E-mail                       jpcrombie{at}pei.eastlink.ca">mailto:jpcrombie{at}pei.eastlink.ca">jpcrombie{at}pei.eastlink.ca
Astronomy webpage            http://www.jamescrombie.com;">http://www.jamescrombie.comhttp://www.jamescrombie.com">http://www.jamescrombie.com;
Rhinoceros 3D webpage        http://www.jamescrombie.com/rhino/">http://www.jamescrombie.com/rhino/http://www.jamescrombie.com/rhino/">http://www.jamescrombie.com/rhino/
>
Mirror Grinder page          http://www.jamescrombie.com/pics/;">http://www.jamescrombie.com/pics/http://www.jamescrombie.com/pics/">http://www.jamescrombie.com/pics/;
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