Yep, gotta get a bigun sprocket,
and then I'll be set.
I'll PM andy.
This guy sure seemed to get it right.
It is definitely a chain drive. I emailed him,
but have not received a response.
Oh, and I already use the back end off a spindle drive Boxer ped for my motorized bicycle now
(made by Dean at Pipelyne....)
Here it is...