After running this motor to hard outside, I managed to burn the motor. You can see pictures of the “burnt” motor in the gallery below.

First of all I opened the motor to take a look noticing protective isolation layer on the copper were melted. Not so strange, because when I approaced the motor after the plane fell from the sky, it was insane hot.

Before removing all wire I measured the wire diameter to 0,30mm. I found this king of wire inside very small tranformators in a computer power supply.

By using this picutre, found on this page. I was able to re wound the motor.

I actually did wound all the poles at the same time, well, one by one, but all three wires were in use, if you follow.

After finish wounding I had to connect wires together to make only three wires, brushless motor has three out wires.

Since it`s a pretty fast motor I made a delta hookup, but I did a mistake at first. This motor should have around 195mOhm per 14-turn, maybe I did not mention it is a 14-turn motor. Which means each pole (there are nine here) needs 14 turns of isolated copper wire and in a small motor like this one, it`s not that easy. Anyway, by hooking up wrong end`s I broke a ESC of mine ($10) so I had to buy another one.

The motor works just great now and I might add a video later.

Gallery

Fixing brushless motor

Reading this, I assume you know how stock Team Losi mini rock crawler looks, since I don’t have any images of a stock one. Google does!

First of all, top plate was removed, gear box turned around and electronics placed where I wanted them.

A 5x3mm carbon tube was added as stiffer for the chassi when top plate was removed. Shocks was mounted on the outside making them not straight.

Electronics in and I made a battery tray.

I tend to use this car anywhere in any weather. The electronics in my car has been opened and tried several times, so I decided to the essential parts in balloon. Servo is shipped waterproof.

Velcro on roof, weird, eh? well, I had a 1/10 body laying around and it turned to look great on this car. It was hard to mount and I wanted to be able to remove the 1/10 body from the car when I needed ultimate crawler abilities.

A box was necessary to get enough height over wheels.

I still have the bead lock mod. to do on this car. It will be done as soon as I find a suitable pipe to use.

As always, more and larger pictures in my gallery.

Team Losi Mini Rock Crawler