As an aside Ive seen a YouTube vid and heard of another case in which Atlantic 57 cats flipped - so I guess the answer for that model is no.
Are catamarans seaworthy. Ive not heard anyone bashing a Gemini on this forum maybe some chat about boats that cost 10 to 100 times the cost being better at bluewater sailing than the Gemin 105Mc but very few folks really own fully paid for catamarns like we do. 1 804-815-5054 Fax. Good sailing on a catamaran or trimaran is knowing when to hold back and slow down.
Without the superstucture bridge one can adopt a strong deep beam to connect the hulls but this method will restrict the operating condition to coastwise trips in the partially protected waters. That may seem an extravagant claim but the more I sail see other boats and talk to cruising sailors the more I convinced I am of that statement. Some work better one way and some another.
Cruising catamarans and trimarans with their easily driven hull forms and light weight enjoy excellent fuel efficiency when compared to monohulls and track very straight. The answer is that today they probably wouldnt. Their designs are a simple concept.
Above is a Cooper Prowler 42 which is typical of boats intended to sell at boatshows because of impressive interior volume. ALL catamarans slam waves hitting under the bridge deck. The typical production powerboat is far from seaworthy in even slightly adverse conditions.
The reason why this distinction is important and I write this as a monohull fanatic myself - is because for charter companies catamarans are in huge demand due to the overwhelming number of advantages. The Typical Powerboat is Not Seaworthy. Our sales agents explain why Leopard Catamarans are bluewater seaworthy yachts.
Safety of course is considerably enhanced by having two multi-compartmented hulls and by the stability afforded by the wide beam of catamarans. Catamarans and trimarans are nothing but two or three trimaran hulls put together with spars and a large trampolineabove them so you can walk about and get the job of sailing done. Trailer-sailer catamarans are typically twice as fast as the average small monohull and are very seaworthy despite their small size.