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T-REX 500 › Which Neu motor for Trex 500?
01-17-2010 04:49 AM  8 years agoPost 1

rrElite Veteran

Canyon Country, CA, USA, 3rd Rock from the Sun

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Looks like my buddy possibly fried his Neu motor in his 500 today. We brought it up into a hover, and suddenly it lost power as if the battery was dying, and we landed it. A few moments later we smelled the expensive aroma of fryed electronics.

The motor was very hot to the touch.

He dropped his motor, and found some burn marks on the wire going into the motor, and a few strands of motor wiring was cut.

Anyway, we had a few questions about this motor. It is a Neu 1706 H/ 1.5 Y with an stock Align ESC for a Trex 500.

First, this motor is BIG. Is this the correct motor for this bird? If not, which Neu motor would fit better?

Second, is this a poor match with the Align ESC. Is there a posibility that the two are incompatible? What would be a better matching ESC???

Thanks for your help.

Saturday morning I flew my helicopter in my pajamas
How it got in my pajamas I'll never know

01-17-2010 05:09 AM  8 years agoPost 2


Bridge City, TX

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The Neu 1706/1.5Y is an great 500 motor. Yes it's wider than the stock motor, but it's shorter (and weighs less).

Anyway, I don't think there are any incompatibilities between the neu and align ESC. It just sounds like the cuts on his motor wires caused a short.

The latest and greatest motor for the 500 would be the 1708 series. Those motors are pretty ballistic. If you want more power, go with the 1708, but if you want more flight time, go with the 1706.

I've got a 1706/2Y motor ordered for my 500, but I'm going to run it on 8S so it should give me really great power and efficiency.

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