[freebeard]

The classic write-up on Turbonique was Iowahawk's in 2006: iowahawk.typepad.com/iowahawk/2006/04/the_real_acme.html

edit:

This is a weird video with a weird guy,

You left out this part :
Donut Media -- 6.03M subscribers

2nd edit:
Got your hybrid right here.

That's a quick-change rear end with the top spur gear turned around. Common as dirt around drag strips. One could use one to connect to a big upwind impeller.