Thanks Miles, seems as though it might be similar to the Flyer F in that it also allows motor or pedal drive independently, though I'm not familiar with that one's internals.
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this kind of Motors is in my eyes the best, but not easy to install.
I have the crankdrive motors in my stock and technical information you find on my Website. please have a look: Der Umbausatz a little bit down you find the Motor and data with drawing you find on Für technisch Interessierte
by myself, i only drive crankdrive-motors because with my weight, an hubmotor is senseless on the Hill ;-) You can drive step hills more easy as with the hub. Some customer use the Motor for the trikes on the frontarm like the scorpion trike and so on.