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Unread 26-01-2014, 18:34
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Re: pic: Average 2014 Chassis

Quote:
Originally Posted by Richard Wallace View Post
We measured about 17 Amperes free current using the stock AM gears, and about 10 Amperes free current after replacing with VexPro gears. Gears were well greased for both tests, and the results were repeatable.

AM steel gears appear rougher, while VexPro 7075 gears have smoother finish. Also, VexPro gears are AGMA 11 -- closer tolerances, better fit.

The free current really tells the story, though. Lower friction, less power wasted.
Wow, that's really neat. I thought that the fancy coating might help, but I never imagined it would be that much of a difference. I got to play with a few vex gears today, and they're really high quality. They're also pretty cheap (as AGMA 11 gears go...)
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