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Originally Posted by BrianG
Well, my 10XL in my Revo is gone. I tried to race it in a Truggy class this weekend and right off the bat it had very little power (compared to last year). After only about 1 minute of running it, I took it out of the race and the motor was HOT, but the ESC and batts were just fine. It wasn't going very fast at all and had zero punch. I don't know what happened, but am going to replace it with a 9XL, which should be a little better on 14 cells, yet ready for 5s lipo. When I took the motor apart, the windings looked a little blackened and crisp. I have no idea when that would have happened as I'm quite paranoid when it comes to heat. Oh well; good thing it's a cheap motor. :)
I was thinking of running a Neu on it, but I don't think a finned one will fit on Mike's motor mount. I know the finned or non-finned Neu won't be able to use the rear motor support feature. And, the smooth Neus can't use the RCM heatsink. Poo.
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Brian I have a ton of experience with the big hackers in the aircraft world, may I be so bold as to suggest/point out the following...
The big hackers tend to have problems if something gives and they have a chance to spin fast with no load. Everytime this has happend (like 3 times with one of my motors) the coils will get burned up and you will have the symptoms you described. Recommend sending back to Hacker for repair before buying new, they've been extremely good about repairing under warranty for this type of problem.
Do you temp your motor after full runs? The commonly accepted threshold I've used for the larger hackers is under 180F if you surpass that, you'll likely burn the coils.
That motor is probably repairable for the price of shipping to Hacker...
Hope that helps.