Atoll 50
Coastal cruiserr
The interior follows through on this cat-type design approach. Look carefully and you'll see the advantages and disadvantages of a catamaran layout. The boat is laid out in two mirror images. From the galley area in the pilothouse you step down steep ladders port and starboard into the hull where there are quarter cabins aft with double berths. Leaving the galley and going down forward, you enter an area that opens to four staterooms, each with a double berth. A special ventilation system has been designed to bring fresh air to these "buried" staterooms. There are four heads on this boat. Combining the cockpit, saloon and galley on the same level will make this interior feel big. As an exercise in spatial manipulation, this is an ingenious layout.
The hull shape shows a deep midsection that kicks up sharply at the stern. As you might expect, the beam has been pushed to the max, and the L/B is 3.03. That's just too beamy for me. The beam is carried to the transom. There is little doubt in my mind that this is a case where the hull was wrapped around an interior layout. That's fine in itself, but you can't expect a boat with these proportions to be a swift sailer. I doubt speed was in the design brief.
The D/L is 170. I look at this ultrawide hull and the forward placement of the keel, and I get concerned about this boat's ability to balance well. Draft is 5 feet, 11 inches. The rudder is a spade, with plenty of balance area.
The rig is a tall fractional-type with swept spreaders. The SA/D is 20.6. This is enough to provide reasonable off-the-wind speed to this unusual boat.
When evaluating any boat it's important to find valid benchmarks for comparison. That's a tough order in this case. I can think of no other boat that offers this combination of features in a similar configuration. In a recent National Public Radio show featuring European pop music, the comment was made that Americans are too conservative. I immediately took this as a slam. But now I'm not so sure. I appreciate the opportunity to review such a radical departure.
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