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Old 02-16-2011, 07:47 PM   #1
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Default ELECTRIC MOTOR TALK

i was wondeirng if anyone knew how to make a motor faster legaly. i have seen people at my local track messing with there motors. putting new washiers and new rotors. What does different size rotor's do to the motor?
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Old 02-17-2011, 08:35 AM   #2
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You're in luck!

This forum is loaded with that type of info!
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Old 02-17-2011, 09:49 AM   #3
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Quote:
Originally Posted by f1o7x9 View Post
i was wondeirng if anyone knew how to make a motor faster legaly. i have seen people at my local track messing with there motors. putting new washiers and new rotors. What does different size rotor's do to the motor?
Rotors are just another tool, there is no black magic behind it.

Smaller diameter = higher RPMs, less torque.

Bigger diameter = lower RPMs, more torque.
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Old 02-17-2011, 03:23 PM   #4
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Orion used to have a chart of their rotors, which not only had diameter, but "axle size". Some of the rotors had a bigger "axle", but the same outer diameter. This meant less magnetic strength. It seemed they were recommending those rotors for stuff like 2wd offroad and 1/12, so I assume they were a bit smoother. The chart has vanished from the website, it seems.
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