thanks Rick

interesting way of going about it.
I wonder if taking power off of a battery bank might be better,
You can have the genset cut in at a predetermined load. In that way you can centralise all the power requirements and no particular supply problems to any equipment should be endured. There is sophisticated circuitry for this is already out there for off the grid housing applications, and will automatically run the genset for 20 minutes every 2 weeks just to keep the diesel serviceable and top the batteries off. It would also allow you to plug in the solar panels the boat is sure to get in the future.

just an interesting FYI: In submarine use there is also the capacity to provide genset power + battery bank power for a feature known as the 'dash speed'. The dash speed is an emergency measure to provide absolute max power and it is generally held in the market to be 30 knots submerged for a complete exhaustion of the battery (which is massive) in one hour. This speed is higher than that of surface vessels pursuing the boat as they cannot use underwater detection equipment at such high speed.

Electric machines are fascinating devices :)
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