RE: [TCML] Cutting Garolite disk

["McCauley, Daniel H" <daniel.h.mccauley@xxxxxxxx>]

Hi Joe,

The best way (without resorting to a Lathe), is using a circle cutting jig and a router.  This works extremely well.  Jasper Tools makes two sizes, one is good up to 7.5" DIA, and other is good up to 18" DIA I believe.  I have both.  I use them up to 0.75" DIA Birch Aircraft Plywood which is just as (if not more) tough than garolite for cutting.  

Jasper Tools makes them.
http://www.jaspertools.com/

You them to make PERFECT secondary end caps, circular holes, and everything else.  I use them exclusively to cut bulkheads, motor mounts for high power rocketry.

Dan
http://www.easternvoltageresearch.com
See our ad in Nuts and Volts Magazine

Ok,
So I'm making a srsg and I am convinced of the primacy of garolite as the material to use for the disk holding the spinning electrodes. But as far as I can tell my sources of garolite will all provide square or rectangular chunks (eg - mcmaster-carr)

What's the best technique to cut a precise circle out of these square pieces?

I don't have a band saw...

Thanks in advance
Joe

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