<quote> The engines are not connected directly to the prop ... instead each engine has a generator on it and the actual drive is a pair of electric motors. >/quote> Which is the way diesel electric locomotives and large cranes work! Very well proven technology! Jim Peg and Jim Healy aboard Sanctuary, currently at Rock Creek, Pasadena, MD http://gilwellbear.wordpress.com <http://gilwellbear.wordpress.com/> Monk 36 Hull #132 MMSI #367042570 AGLCA #3767 MTOA #3436