Originally Posted by
Bill Kapaun
A longer axle and a spacer of appropriate length would be a lot simpler than your aberration.
I think you're over blowing it, Although the non-drive will be less then ideal the biggest issue is the wheel bearing up under the weight of the rider and which side is which will have no impact on that. The twist in the wheel from pedaling forces is transferred through the hub, this set up might put a touch more wear on the spokes but not enough to matter for quite some time.
Nice looking build, have fun with it.