There's an interesting thread on another site about multi speed transmissions in boats.
Pat Weismann piped up and commented on a customer w/twin 2,400 HP engines and his transmissions!!!!!!!!!
I'm very impressed w/the Weismann organization. What they don't know about gearboxes isn't worth knowing.
http://www.seriousoffshore.com/forum...ad.php?t=18927
Watch the videos.