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Re: Keyang Accident
I believe the worm gear inside the keyang motor is metal and the spur gear is nylon. We stripped two or three of the teeth on the nylon spur gear last year during some demos after our robot had been through one regional and championship. We ended up having to get a replacement from another team (special thanks to 499!) so that we would still have a working arm for future demos.
If you guys have the same problem we did, and that's what it sounds like, your arm would still work because one motor can support your arm when the spur gear in the other motor has its stripped teeth next to the worm gear. But, you might want to try and replace it just so that you always have both motors supporting the load. Hopefully a team in your area has a spare they're not using!
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