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BrianG
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09.14.2007, 09:02 PM

Quote:
Originally Posted by jnev View Post
BrianG - So what you are saying, is that it would be better to gear down on a high KV motor rather than gear up on a low KV motor? Would it run cooler this way?
Well, neither really. An appropriately chosen motor for the battery voltage you have, geared for the speed you want (within reason) is the best bet.

If you wayy underrev and overgear (to compensate) a BL motor, you have more chance for cogging since there are less back EMF pulses for the ESC to read. Not to mention your burst current will be higher because of the higher load.

If you spin a motor too fast, you start getting heat for no reason even though it isn't loaded as much with short gearing.
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