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Mega Motor Stuttering

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Mega Motor Stuttering

Old 05-21-2017, 10:02 PM
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CHEF-UK's Avatar
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Default Mega Motor Stuttering

Wonder if you can help.

I test flew a model yesterday with the following set up (used to be IC power)

Chilli Breeze RC Plane

Mega Motor 22/30/2 motor

Saker 80Amp Esc

4s 3200 Lipo

10 x 6 APC E prop


Model took off of the ground fast and flew around for a few minutes fine then I lost power to the motor.

Landed and inspected model.

Motor and ESC warm.

Motor now stuttering / cogging / jittering with prop on.

Motor runs smoothly with prop off! (tested on bench with a 3s 2200mAh Lipo

Any idea what my issue maybe?
Old 05-22-2017, 04:15 AM
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First thing is to check the connections between the motor and esc and make sure they are soldered well and the connections are tight.

After that without a spare motor or ESC to troubleshoot it will be difficult.

It could be many things. The motor may have a failing winding that only causes issues under a heavy load.
The ESC may have a failing fet that only acts up under load. Or some other issue .

You could try changing the ESC's timing but that won't be a fix however it may help in the troubleshooting.

The best thing is to get/borrow a good ESC or motor and test them with your equipment.

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