COMMENT:
ORIGINAL: wallace.tharp Great information on your part
Thanks.</p>
I am a bit of a rookie on electric, I have a Hcker 60L Castle 120 Ice HV, 22" props, turnigy Nano 5000 LiP0, 5s, in serries...really works great.
Wallace, that is a big motor for a "rookie on electric" ...
Sounds to me you are actually quite experienced in electric -by the number of motors you have ..</p>
Bought a Gens Ace combo from Hobby Partz about 2 months back, they have a 30 day guarantee, sad face..
Smoked my Gens Ace 3747 1500 / their 45 esc with the recocmended 14x7 prop and a 4 cel, 3000ma 20c battery in about 20 seconds. Had a tac onit and a"what's up."
The motor smelled of burning electric just a little bit the first time I ran it up to just a few rpms. I never flew the airplane but it was mounted with no cowl. Few days later, ran it up in the driveway prior to my maiden and; Reved to about 10000 rpm for just a few seconds, still at full throttle, sagged down to about 7600 R's and smok!!! Got damn hot too!! Nothing abnormal observed on the matching Gens Ace esc. What happened? wallace.tharp
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Seems to me that what might have happened, Wallace, is that you got unlucky ...
There will always (I guess) be a few bad motors in any batch ...
Sounds to me that there might have been a short circuit in the motor, with some of the stator copper wire touching each other .. This would cause a large current to flow, the motor to get very hot, and then for the motor to "burn out" and fail.
In many cases, the ESC would actually be fried as well, due to the very large current flow.
You are lucky that did not happen.</p>
I would send the Gens Ace motor back, and get it replaced. It is clearly faulty.</p>
I have a Gens Ace Mars 3744-800KV motor -and I will be running mine very soon ...</p>
<span style="font-size: small">Wallace: the Gens Ace Mars 3747 is a 1500KV motorwith 10T and 8 poles (162g) -and only takes up to 5S LiPo
see:
http://www.gensace.com/epages/genspo...-BL3747-1500KV</span><span style="font-size: small">
It seems a rather high Kv to be used in a plane ?
-A motor like this would usually be used in a Heli, and not a plane ...?</span></p>