Quote:
Originally Posted by gizzmo79
but can i gear the 12xl 50% harder than the 8xl?
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No, you can't. You can get away with slightly higher gearing with a given motor rpm, because it will handle the higher loads better because of less resistance losses, but not much.
If the 12XL is running at a lower rpm, then you could most likely gear it up more than you could if they (8XL and 12XL) were running at the same rpm, which again depends on your voltage.
The only way the same size motor could have twice as much torque would be because it would have twice as many electrical poles (coils).