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Motor quality and stability

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rickeis View Drop Down
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  Quote rickeis Quote  Post ReplyReply Direct Link To This Post Topic: Motor quality and stability
    Posted: 09/Apr/2012 at 12:24am
Does anyone have any experience with motor quality as related to multicopter stability?
I'm wondering how much the quality of the motor has to do with the stability of the copter?
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garth View Drop Down
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  Quote garth Quote  Post ReplyReply Direct Link To This Post Posted: 11/Apr/2012 at 11:20pm
Less than in a normal Heli. Its more the Motor mount, and the way it plays together with the Motor.

Having the Motor on long Arms, ( thats naturally no problem on small carbon frames) could cause the motors to oscilate, caused by their vibrations. As a result => the better the Motors are ballnced, the better the bearings and the stiffer the Arms of the Multicopter, the better it will fly.

Furthermore - a small powerfull motor will spin up faster than a less powerfull, bigger (cheaper ) motor, meaning the better motor will react faster on throttle change = Stability and controlls.
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