Kenneth Michael Guitars est.1978

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Simple Alternative to a radius contouring disk

This technique is one of the most helpful ideas I ever came across. I like to experiment -- there is a lot of speculation about the how the top and back radius contours can impact sound, durability etc. I have never had very good luck with radius disks no matter what they were made of, or thickness or what ever- warp, warp, warp --- maybe its where my shop is located?? Plus they are a mess to make even with a CNC machine. This is one of those ideas that is exceptionally simple and the results are amazing.

All you need to do is place your contoured brace on top a flat surface. Get a stack of 3x5 cards. Hold the brace down in the middle and slid the cards under the brace fanning them out as you work toward the ends. Naturally, the pile will be thicker at the ends!! Tape the row together and mark the radius of the brace on the stack. I use four stacks in my vacuum press. The same procedure will work for back bracing.

I have every radius you could want or need  ---- works any radius every time! In my vacuum press the braces are pinched perfectly with equal glue squeeze all around. I am sure that this will work well on a building board with cam clamps as well as in a Go-Bar clamp

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