http://www.youtube.com/user/FumotecT.../1/2Y-oxV9QBnY
Fumotec's Bell 4206 (similar to the B50 dumper) with four brushless gh's. Frank had a vid showing this prototype as is with an 80lbs (approx) girl standing on it & so he could pull a small size car on payment. Might be on vimeo.