The secret to electric motors is torque. And that is done with a big, slow moving blade and gears and lots of amps and volts and it is expensive..... And like you say needs lots of bracing.
A good electrical drive system is the most expensive option. But the generator and batteries can do double duty and take care of life support too.
What if the Electric motors were mounted on the side of the inside hulls on a horizontal pin that was running fore and aft so that the arm holding the electric motor rotated sideways and held the electric motor up under the bridge deck when not in use? In the down position it would fit into a molded in space in the side of the hull that would help with bracing. The arms pivot point could even be through the side of the hull, allowing the arm to be rotated and secured manually from inside the boat.
I see limited benefit to actually steering the electric motor, although it would be cool occasionally : )
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Posted by: taladorwood@yahoo.com.au
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