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My " Issue" right now, among others, is how to line the motors if using two, or the diff. output shafts if only one motor, to the swing arm pivots, so the chains to the rear wheels stay properly tensioned. I'd like to pivot the swing arms on the drive shaft from the motors-diff. to the drive sprocket, keeping the chains on the outside of the machine, for service proposes. This seems to require either four bearings per swing arm, or some kind of double bearings, which will let the swing arm pivot up and down, but the driveshaft can go through the center at several thousand rpms. Drawings to come.
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