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Unread 15-07-2003, 22:16
Veselin Kolev's Avatar
Veselin Kolev Veselin Kolev is offline
X51 Production Company PGM (TM)
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One piece of advice, if you're going to pin the drill motor output instead of using the left hand screw, make sure the machinist that does it has carbide or diamond tipped bits, because the shaft is hardended steel. We tried, but all we got was a worn out drill bit and a hole going nowhere in the coupler. For us, it wasn't the left hand screw getting worn out, we broke the drill motor gearbox a lot. And every time we replaced the left hand screw because we were worried of stripping it.

If you have the time to, try to design a tranny without using the drill motor's gearbox. It saves space, weight, and improves the efficiency of the motors. Also, you don't have to worry about left handed screws, flimsy plastic mounting brackets, broken gearboxes, and shifting locks on the gearbox. It also looks really cool.
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