John,
There is something very appealing about the Lynch, Saietta, PERM, axial type motors. It must be the simplicity, power/weight ratio that appeals.
I live in a remote area without access to much in the way of tradespeople, equipment or facilities. In these circumstances I feel the only way I can proceed is with a packaged solution from an established vendor.
I am inclined to water cooling, anything electric, cooler is good.
I think I said in an earlier comment, that a motor running at motor design best speed, thru a gearbox, giving a prop speed in the 600-900 RPM range, seems like the ideal. I confess I'm probably fixated on a PMAC solution as I have a perception that that will provide me with the flatest torque/RPM curve. I have a difficult berth & lots of torque at low RPM would help the berthing process.
I watched James Lambden's comments on these sites over the years & read his book. What he's had to say has been rather convincing.
Having said all this, after four years of reading this & other sites, I now know enough to realise how little I know, compared to so many others. I'm open to all suggestions. The generosity of the contributors to this forum is amazing & I'm really grateful to all.
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