Scale Helicopters
Vario

R22 1:4

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Mechanics for Vario R22 1:4

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Need help. Have a 900 size Vario R22. It flys great but am having a problem. Burning up tail rotor servos. On the third one now and at this point it wont last long. After a 7 minute flight the servo is hot enough you can blister your finger (if you could hold it on it long enough) . Shorten the flight time to 5 minutes not much difference, still hot. The cyclic servos are just fine. What we...

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