I see no reason that you could not do dual motors sideways? Just make a mount plate like the emaxx...
In any case, sideways motors are great, no torque twist side to side.
Damn it! You're most probably right. I just think it would be awkward looking (lay it out and see) and I like the symetry of an e-maxx tranny and I really wanted to use the word behoove.
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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.