im working on a custom build using 4 400mm carbon fiber EDF's and trying to choose the right Kv range to turn these monsters. inrunner or outrunner? im not too worried about battery options as it will be powered by a kerosene microturbine/generator set and a voltage regulator (and a small lipo pack to start that). what i am worried about is overheating due to maxing the motors load (turning too s…