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All Forums >> Electric Aircraft Universe >> Brushed/Brushless motors, speed controls, gear drives >> MOTOR OR ESC PROBLEM?
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MOTOR OR ESC PROBLEM? - 7/11/2008 3:53:55 PM   
darticus


 

Posts: 1080
Joined: 2/22/2007
From: sparta, NJ, USA
Status: offline 		The brushless motor on the bug is not running. Its prop jumps back and forth when giving throttle, even full throttle. Would anyone know if this is a motor or ESC problem? Thanks Ron


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Thanks for your help Guys, FORGEDABOUTIT! Ron
       Post #: 1

RE: MOTOR OR ESC PROBLEM? - 7/11/2008 5:42:45 PM   
Glacier Girl



Posts: 6968
Joined: 7/9/2004
From: SomewhereIn, PA, USA
Status: offline 		Ron, sounds like an open connection or a poor connection. Check any solder joints for a cold solder joint, like at the esc to motor wires. Also look at where the three wires leading into the motor connect to the windings. One loose winding will give you this type of occurance.

Lastly check the timing on the esc to motor, I've had a couple where you had to chage the timing mode to eliminate the stutter.

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"The Missing Man Formation"
Looking heavenward you cannot help but shed a tear...mornful...lonesome...a hole that screams out almost as loudly as the roar of the engines that pass over head.

(in reply to darticus)
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RE: MOTOR OR ESC PROBLEM? - 7/11/2008 10:17:25 PM   
darticus


 

Posts: 1080
Joined: 2/22/2007
From: sparta, NJ, USA
Status: offline 		Thanks Glacier Girl
It was the motor as another one runs fine. Is there a way to run a brushless motor without connecting to an ESC? Like right from a battery? I took the covering off the 3 wires of the bad motor to see if they were connected and they are. Would the problem be further into the motor coils? Any correct way to test the motor with a meter? Thanks Ron

_____________________________

Thanks for your help Guys, FORGEDABOUTIT! Ron

(in reply to Glacier Girl)
       Post #: 3

RE: MOTOR OR ESC PROBLEM? - 7/12/2008 12:45:23 AM   
jdetray



Posts: 1240
Joined: 12/7/2004
From: Napoleon, OH, USA
Status: offline 		Ron -

There is no way to run a brushless motor without connecting it to an ESC.

Here is a thread that discusses how to test a brushless motor:
http://www.wattflyer.com/forums/showthread.php?t=35216

- Jeff

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My other hobby: www.AstronomyBoy.com

(in reply to darticus)
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RE: MOTOR OR ESC PROBLEM? - 7/12/2008 1:31:53 AM   
darticus


 

Posts: 1080
Joined: 2/22/2007
From: sparta, NJ, USA
Status: offline 		Thanks Jeff
Maybe I can check it and get it working again. Ron

_____________________________

Thanks for your help Guys, FORGEDABOUTIT! Ron

(in reply to jdetray)
       Post #: 5

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All Forums >> Electric Aircraft Universe >> Brushed/Brushless motors, speed controls, gear drives >> MOTOR OR ESC PROBLEM?
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