Double Horse 9104 Helicopter 3 channel Single Rotor Copter
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Jan 21, 2012
, 04:15 PM
Crash and learn
United States, PA
Joined Dec 2011
Ken - my tail motor feels very "notchy" when turning by hand, as does the main motor. Magnetics I guess.
I've seen commutators get eaten away from arcing, causing dead spots.