Also, just want to throw this out there for others who might be thinking direct-drive with an outrunner is a good idea: On paper, it looks ok, and you can find motors that seem to fit the bill if you use enough cells. My setup, for example, *should* be very hot if I could fix the pack issue. On the track, it would probably be pretty good.
But not when bashing. Here's why: consider that these motors are sensorless and so the ESC cannot do a hard, high-torque start from stall like with a brushed motor. The ESC has to roll the motor over a bit to find out where the poles are before apply full torque. This problem is worse on the outrunner because it has no gearing. So if an inrunner setup can apply full torque at say, 2 mph, then the outrunner won't be able to apply full torque until 7 mph (using a common 46/13 spur/pinion ratio). I can see this effect when I hit full throttle with the wheels off of the ground. Even with no load, the outrunner has a bit of a dead spot before it really revs up.
So no wheelies from a stop, even with 2WD. So I think my next setup will use the RC-Monster motor mount with an inrunner setup.
I have to disaggree with some things here. Ummm..........it really depends on your setup entirely.
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