PedeBeater,
Very good question, however, I don't have a clue. I do know that the if the wrong pitch gear is used it can / will cause premature wear on the main gear and can cause some crazy noise too. Hopefully, someone will chime in and give us an answer. Then I'll learn something too.
Sorry, can't help on this one,
Dave / Choppersrule
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ORIGINAL: PedeBeater
Thanks. I have another question. Do these heli's use 48 pitch gears? (specificly pinions)
Thanks for all of the help