Thread: Custom Two Speed Gearbox
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Unread 10-05-2012, 18:39
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Jeff Waegelin Jeff Waegelin is offline
El Jefe de 148
AKA: Midwest Refugee
FRC #0148 (Robowranglers)
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Join Date: Aug 2001
Rookie Year: 2001
Location: Greenville, TX
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Re: Custom Two Speed Gearbox
Quote:
Originally Posted by R.C. View Post
Def missed that guy

You guys still using the 11T pinions?

-RC
Yep. We used them last year on our drive modules, and again this year in our transmissions - we made custom plates and shafts for the AM 2-speed transmission and used the 11T press-on pinions. I love them because you don't have to deal with keys or clip rings or anything.

Quote:
*The option Art mentioned using 11T gears would be nice and light, but you'd have to come up with 11T gears somehow. They are not available off the shelf, so you'd have to find some 11T spur gear stock or get a company to Wire EDM them for you or something. Incidentally, does anybody know a place that sells 11 tooth stock? That would be a pretty sweet find...
We get ours made via EDM - I've not seen any 11T gear stock, although that's not to say it doesn't exist - I just haven't looked for it that hard.
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Jeff Waegelin
Mechanical Engineer, Innovation First Labs
Lead Engineer, Team 148 - The Robowranglers