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Sorry... not a cool video of a running engine, or even a still photo of one. That will hopefully happen in the future. A set of 64DP 20°PA gears I just cut for a ¼-scale engine project a friend is working on. All cut from heat treated A2 on my wire edm machine.

Thought I'd attempt to step up my game a bit from the last wrench I made (which was 5/32"). This new one is 1/16". It was cut from a piece of .025" thick Starrett shimstock. I decided to stretch the length a little from what would be "proportional" since the wrench becomes difficult to handle...

Took a crack at making a small combination wrench today. I measured a std (long) Snap-On wrench to get the proportions, and then tweaked things a bit from there. This one is 5/32" (the wrench size for a 1-64 nut). I made this part from some .050" thick spring steel (heat-treated 1095, around 53...

Hello all, New to this forum. I'm in California, and my passion (as well as job part of the time) is wire edm work. Specifically, I enjoy developing and cutting gears via wire edm. Solving gear-related design problems or reverse engineering replacement gears is my forte. Needless to say, I also...