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e-E-Flite Blade CP mCX CX 400-3D > DD Tail motor repair
 
 
crusader4u
Heliman
Location: St.Kitts. Canada

How to repair a Direct Drive GWS tail Motor.

The reason the motors give up after about 30 or so packs are due to carbon flaking off of the brushes' due to normal where

here are the steps I have found to repair them.

1: remove end cap.

2: clean the entire inside with electronic cleaner, everything
Including the brushes.
put a very small amount of contact grease on the part where the
brushes contact the shaft, ( very small amount )

3: reassemble the motor.

This seams to work very well, I have done it to 3 motors so far.
09-23-2005 Over year old.
 
 
stealth916
Veteran
Location: Rocklin, CA

I have flown this exact same motor in many planes, and now using them for heli tails. I have never had to take one apart. I put 80 hours on one in a bipe. Many, many people fly this motor in planes - THOUSANDS of them flying. 99.9% of the flying population does not take them apart before use.

That said, a little cleaning every now and then may not be a bad idea, but you need to be very careful if you are not familiar with motors - when taking this tiny one apart. The brushes are like knats, and they are mounted on little spring arms which come together as soon as the bell is removed. I can see some noob trying to jam the end bell back on without knowing the brushes need to be held apart.

I have taken some of these apart for post mortum inspection after they have finally died - and my conclusion is that if used properly - they will last as long as they are going to - with or without maintenance. Some last longer than others, but in no case should they last less than 20 hours - or the install or load was probably not correct.
09-24-2005 Over year old.
 
 
crusader4u
Heliman
Location: St.Kitts. Canada

I never take them apart before use. only after they die. then I get another 30 to 40 packs on them, And I'm from Canada A. there $14.95
each up here so it's worth it to fix them.
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09-24-2005 Over year old.
 
 
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E-flite . Next D . Fast Lad Performance

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e-E-Flite Blade CP mCX CX 400-3D > DD Tail motor repair
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