Interesting reading in the links...

350 amps and 70,000 rpm powered by 200 farad 'ultra capacitors'

http://www.theengineer.co.uk/in-dept...010742.article

http://www.cpowert.com/products/vtes.htm

 

I spoke to someone who was working on a system like this for ford on the transit, very interesting stuff.

PC fan wont work though of course, but that doesnt mean a proper charger with a big motor wont.

I did look into running an eaton charger off 3 starter motors once but decided against it due to weight.