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... is to eliminate as much drag as possible by having the boat plane rather than be 'force moded".


Who says that the drag associated to "forced mode displacement" is higher then the drag incurred by planing ?

Or if you will, are Tornado catamarans faster or slower then 18 foot skiffs while carrying less sail area ?

Without some dependable data we're all (me incl.) just guessing here and that isn't science.

Wouter

Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands