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Old May 11, 2012, 08:32 AM
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Yep...that may have been the culprit. Will definitely keep an out for it.

Flew her again for 6 minutes the other day and the motor definitely was very hot even on a mild day. I am going to enlarge the hole surrounding the plastic motor housing to help increase airflow. I plan to bring out the heat gun to measure the temperature next time just to get an idea. At some point, I may switch motor to EF park 480.

Originally Posted by PittSpecial View Post
Again, the stock setup and with the recommended propeller assuming 3-cell Li-POLYs will draw (Current) around the high 20's and closer to 30-AMPs. That is a lot of current for the wire strand size they used on this motor.

Have you checked the temperature of the motor during a typical run?

Too much heat will melt the glue holding the magnets and / or holding the wire windings and will cause issues!

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