This is a experiment I had been working on for many years now. This deals with BEMF form a DC motor under a load. This experiment powers a 10kw generator using a 19hp D&D 144v DC motor.
I use two 60v battery banks, as one is being use to run the dc motor the other is being charged by BEMF.
http://www.youtube.com/user/MrEnergyConspiracy?feature=mhum
What happened to your videos.
I'm working on this idea right now.