retractable and steerable thrusters? You mention: "There are even retractable and steerable thrusters if you like" - but i did not seem to find...
Total independent system? Thanks for reply - I was thinking of a system where you would not use the inboard engine at all. I mean if you have 4...
Was woundering if a setup with a jet pump of some sort and 4 exits ("corner direction") would work on a 42 feet sailboat - a independent system...