Tamaroak wrote:

I'm thinking of putting a bow thruster in a 36" [sic] trawler ...

A bow thruster on a 36 inch trawler seems like overkill to me. Heck, I'd
say the same about a 36 _foot_ trawler.

--
Good luck and good sailing.
s/v Kerry Deare of Barnegat
http://kerrydeare.comcast.net