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Forum: Multihull Sailboats 25-01-2012, 13:49
Replies: 38
Views: 5,281
Posted By Calculator
Re: Sail Area in Regards to Cat Size

PS, I just noticed the original question related to Shuttleworth's formula, while the equations posted were for Derek Kelsall. The difference is that Shuttleworth's constant is smaller because he...
Forum: Multihull Sailboats 25-01-2012, 13:43
Replies: 38
Views: 5,281
Posted By Calculator
Re: Sail Area in Regards to Cat Size

The units used are absolutely essential in the formulas for performance and stability. The constant 1.58 in Derek's stability formula only works for displacement in pounds (2240 pounds per long ton),...
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