Quote:
Originally Posted by Peter B
It is claimed by some boat builders the tunnels increase the prop efficiency to an extent, so not only for draft and protection reasons, I gather. Maritimo do this with most of their big boats. Riviera also I think.
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Thanks Peter.Some later Maritimo and Rivs(? only the Volvo powered ones) have IPS, they would benefit from protection. Anyone know how a tunnel improves prop efficiency?