Quote
A 0.1445 sq. mtr daggerboard with a wetted length of 0.85 mtr will have an aspect ratio of exactly 5. Such a board will have a width at its root of about 0.175 mm. This appears as the optimal F16 daggerboard when going on the math numbers.


Width 0.175mm?? Are you going supersonic smile

Amateur contests are best for amateurs.