The drive gears are made of 1" nylatron plastic. A very strong material with a lubricant impregnated into it. Here is the blank : 8 inches in diameter.
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Step 2
Using a 1" wood drill bit and hack saw and a belt sander I formed the main drive gear. Several hours of work and viola a gear.
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Step 3
The Track was split down the middle. Using a zip cut disk and lots of time I was able to produce two mirrored tracks.
I can now program the big gear into the cnc because i have a pattern that works. I can do the 1" material with a single pass. Using a speed controller on the head. This keeps the material from melting.
badass! my favorite part is your wacky cnc