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Unread 08-11-2016, 19:31
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FRC #0254 (The Cheesy Poofs)
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Re: Custom Gearboxes

There's nothing wrong (or particularly scary) about using 755 motors in a custom gearbox without a Versaplanetary. Consider using the West Coast Products 32DP gears for the first stage reduction. You can buy a pinion which presses onto the 775 shaft. With the 80T gear, you can get a 6.6:1 reduction in a pretty small and integrated package. Combine that with a pretty modest second stage reduction with standard 20DP gears, and you can get that 21:1 reduction you mentioned in your first post.

This general concept is pretty much what 254 did this year for our hanger winch.
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