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ESC › 450 Motor is having trouble starting
10-29-2013 11:00 PM  5 years agoPost 1
Funky Trex

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Westerville, OH - USA

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My 450mx is starting to have some trouble spooling up. It is fine once the motor starts spinning, it is just the initial start up that is a problem. I am running a Castle cc35 esc. My last flight today, the motor would not start. When applying throttle, there was a whining noise coming from the motor that got louder as I advanced the throttle, but it would not spin the blades. I spun the blades by hand and then applied throttle and it started right up. I flew a 4 minute flight with no further problems. I checked ESC and motor temps before and after the flight and neither were hot at all.

Is this a sign my motor is going bad or is it the ESC? When I spin the motor by hand, it feels normal with no strange hang ups. I know I can turn up the motor start power with the Castle Link software, but I am afraid that might just mask the problem.

I have more motors and other ESCs I can use. I am just curious what is most likely causing the problem, the motor or esc?

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10-29-2013 11:12 PM  5 years agoPost 2
NQNA

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USA

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My experience with that problem has been a bad esc.. I'd start there if you have a spare.

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10-29-2013 11:28 PM  5 years agoPost 3
Funky Trex

rrElite Veteran

Westerville, OH - USA

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The ESC easily has 1000+ flights on it, so it could be going bad. Too bad, it has been a very reliable ESC until today

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10-29-2013 11:47 PM  5 years agoPost 4
NQNA

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USA

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It's had a prosperous life.. Rejoice in that knowledge,..

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