4G3 2.9g tail motor stopped working - HeliFreak
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4G3 Walkera 4G3 Helicopter Support


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Old 02-18-2011, 05:43 PM   #1 (permalink)
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Default 4G3 2.9g tail motor stopped working

While in the middle of a hover, my 2.9g tail motor stopped spinning. If I disconnect the main motor, I can hear the tail motor "chirping" and at certain throttle positions it will move the blades back and forth a bit, and sometimes spin them a couple of rotations.

Just wondering what I should be looking for, or if it just sounds like a bad motor.
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Old 02-18-2011, 07:39 PM   #2 (permalink)
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Sounds like its binding, the bearings may be binding up. Usually, just replace it. They are like $8.
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Old 02-18-2011, 11:34 PM   #3 (permalink)
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It spins over by hand the same as it always has. I was figuring on replacing it, but thought I'd ask for feedback first, this is a $25 brushless outrunner, unless there is someplace that has them cheaper.
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Old 02-20-2011, 11:04 AM   #4 (permalink)
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ahhh...sorry, thought it was stock...
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Old 02-22-2011, 01:09 PM   #5 (permalink)
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No prob. Just bought a used 4G6 so I'll actually have two helis in case one breaks, LOL.
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Old 02-24-2011, 02:22 AM   #6 (permalink)
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check under the bell to see if one of the tiny wires has broken off. It can be repaired if you have a micro solder point and a steady hand.
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Old 02-24-2011, 02:25 PM   #7 (permalink)
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Thanks!
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PZ Night Vapor, Ember and UM Mosquito. M-A-E Penguin
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