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Cat600 PJOA


Polish naval architect Janusz Ostrowski is a specialist in small proas with a crab-claw sail. For once, the prolific designer has come up with a catamaran big enough for coastal trips. The design remains deliciously vintage with high bows and canoe sterns. The deep V hulls, like the early Hobie Cats, do without daggerboards, and the small rudders lower and raise depending on the depth of water. The rig (crab-clawed sails, of course) is designed to ensure perfect course-keeping. Mini fins parallel to the surface reduce pitching and act as steps when you’ve taken the ground. A berth in each hull is provided; the trampoline can offer two extra places once the custom-designed tent is set up. Glued plywood construction takes a few hundred hours in total, but each hull can be completed in a week or two depending on your skill levels. The Cat600 is easily dismantled for transport on a trailer. 


Country Pologne
overall length 20.67ft
Beam 13.19ft
Displacement 551.15lb
Naval architect Janusz Ostrowski

Rigging and Sails

Mainsail 172.22ft2

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