Originally Posted by LouieMCman
...Next, I had a buddy try a motor on a three speed bicycle hub, it lasted only a few miles before it self destructed. Not a feasible option...
It can be, not all hubs are created equally. This Sturmey Archer X-RD3 isn't anything particularly fancy (other than built in drum brake) and it's dealt with my shift-kit abuses for about three thousand miles and counting