Join Date: Feb 2008
Location: New York
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Manta has done this with a fair amount of success. The Manta 42 actually started out as the Manta 38, then became the 40 and now the 42. You can tell by looking at the boat that the pontoons are extended farther aft than what you see in many brands. I don't think the only thing they did was to extend the hulls, but that was the major thing.
I don't have enough multihull experience to comment on SD's points, but we have very good friends who are cruising long term and fairly far afield in a Manta 42, and they report that the hull extensions actually reduce hobby horsing and do increase load carrying capacity because of the added buoyancy. In terms of close quarter maneuvering, I would think it wouldn't matter because you'll be doing the twin screw thing anyway, but again, I don't have personal experience with that.
The aesthetics are something that you either will like, you won't, or you're willing to deal with because of the practical benefits. The Mantas definitely have their own look, which is saying something in a catamaran world where the boats look quite similar across all lines.
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