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Old Sep 01, 2015, 02:26 PM
rcpilotroper is offline
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Joined Sep 2015
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Help!
mini mag

Hi
I recently bought a mini mag but decided to change the stock motor for a A2208/12T 1800kv one, I was given a 7x3.5 prop with the motor and I have a 20 amp esc and a 30amp esc the battery I have for this plane is a 2s 30c 1300mAh. Problems I am having and don't know what is wrong :-
on the 20 amp esc the motor crackles and jerks, it sometimes spins up but after a short period reverts back to above but emits a sound like it was breaking teeth in a gearbox (which it does not have)
on the 30 amp esc it spins up but after a short period comes to a halt as though the battery was flat but it is not, if the throttle is closed it will spin up again and do the self same thing.
I tried putting a 3s lipo on it and it seems to be ok whats wrong?
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Old Sep 01, 2015, 03:56 PM
JureZ is online now
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Sokol
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United States, CA, Walnut Creek
Joined Jul 2013
533 Posts
Try changing the esc timing
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Old Sep 01, 2015, 05:29 PM
slipstick is offline
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Staffs, UK
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Quote:
Originally Posted by rcpilotroper View Post
I tried putting a 3s lipo on it and it seems to be ok whats wrong?
It sounds like your 30A ESC is set up for a 3S battery so when you run it on 2S it thinks you've hit LVC as soon as it gets going.

The 20A probably has a bad connection on one wire between motor and ESC...possibly a badly soldered connector.

Steve
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