Who invented and still sells the CapeHornIntegraredSelfSteeringWindVane....
40 years ago, sailed his Alberg 30 around the world with the outboard rigged off the
side of the cockpit on a spar of some sort, that could be hinged out of the
water to remove it when voyaging.
Imagine it probably was a fairly light, under powered 2 stroke.
You can also find electric Torqeedo's clampted off the rail near the cockpit.
Light enough to lift one handed and toss into the lazarette.