Originally Posted by Nehmo
This is the most recent pic.
It now runs acceptably, but I've learned a lot of things during this bike's evolution, and I'm conflicted in which direction to go. Should I start over with a new design, or should I just improve this as far as I can go?
I guess thats a question only you can answer. What needs improving? What issues are you having? FDs have a lot of advantages as well as some disadvantages. Depends on what you are after in an motorized bicycle I guess. I like the simplicity of my direct drive, its about as close to 100% reliability as it gets, that counts a lot when far from home, I still have 2 chain drive motorized bicycles as well.