The smallest cat that I saw listed in the link
in my previous post was a Catalac 9m, and the largest was probably the Prout Snowgoose, respectively 29.5' to 37'. The Gemini is about 33.5' or a bit shorter, depending on the model.
The draft on most of these boats is in the neighborhood of 18-24" with the centerboard or daggerboard up, and 4-5' with the boards down.
The Catalac and Prout catamarans are going to be a bit older than the Geminis and PDQs, which are still being made IIRC.
Sailing a mulithull is a bit different in subtle ways from sailing a monohull. For instance, in a monohull, you generally reef the sails for the average wind speed and let the boat handle the gusts... on a multihull, you reef for the gusts and let the boat deal with the average winds. Multihulls, if kept light, tend to accelerate far better than monohulls, as they have significantly less inertia—not having heavy ballast. Conversely, they tend to slow down faster than monohulls, having less inertia.
If you want to see some video of a multihull in action, in fairly stiff winds and seas... go here
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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