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THANKS
RICHARD

1/6 hp is pretty weak for spinning a 24 inch disk.

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John Hall
blues creek guitars
Authorized CF Martin Repair
Co President of ASIA
You Don't know what you don't know until you know it

What do you suggest? Is there anything that I don't have to gear the rpms down?

Richard

1 HP input with a final output rpm around 100 - 150 RPM.

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tim...
http://www.mcknightguitars.com

look for a potters wheel , they have a platen and enough power without too much speed

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John Hall
blues creek guitars
Authorized CF Martin Repair
Co President of ASIA
You Don't know what you don't know until you know it

I have an old Craftsman 1/2hp 3500RPM grinder. Is there any way to use this?

Richard

I posted a thread on building a rim sander a few years ago. Tim has a thread archived as does Brad Way. You can search fro them. Here is the link to the thread I posted:

http://www.luthiersforum.com/forum/viewtopic.php?f=10102&t=3154&hilit=+Rim+Sander

I used a 1/2 hp washing motor at 126 rpm. I works great and I have sanded the rim for my guitar and made probably 50 dishes on it. Head the warnings in the thread about dust and open motors. When rim sanding there is mot a lot of dust, when making dishes there is a tremendous amount of dust. I have a cover for my motor and blow out with compressed air when I am finished (although dust never seems to get to the motor with my setup.

Personally, I think finding the right angle geared and VFD option like Brad Way has developed is the way to go. I have a CNC Machine for making dishes so my sander is just for sanding now so will be all I need but if I were to do it again, I would do it Brad's way...

Shane

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Canada

Thanks for that link Shane. Not to hijack, but has anyone built a "Doolin" style motorized dish?? http://www.doolinguitars.com/articles/disksander/
Don't really have a spot for a perminent setup (thinking about just a flat disc for an overall true-up of joined archtop wedges).

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Dave
Milton, ON

I used my wife's potters wheel. Foot Kick Model. Got my exercise for the year.
Limp Bailey

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Wood Creations by Kent A. Bailey
EXCELLENCE IN SCULPTURE, CARVING, LUTHIER, ARCHITECTURAL MILLWORK AND DESIGN

http://www.kabart.com

My rim drive was powered by a 1 3/4hp router with speed control. I like the Doolin setup although Mike has made some changes to it. He has a arm that comes from the motor under the table that he can raise with his knee to disengage the drive. It also adds more weight /leverage to the motor to keep it from slipping.