Following this thread has been fascinating to say the least. It's great watching you guys try to break the language barrier to help a stranger.
I just can't help thinking how it reminds me of the episode of Star Trek TNG where Capt. Piccard and his crew are confonted by a bunch of pig faced aliens who want to blow them all up but they can only speak in metaphors and the crew has'nt got a clue what they're saying.
Anyways, I think you're on the right track.... torque band of motor to high to be ideal installation in med. sized boat !