Doesn't crew weight/load carrying ability factor in somewhere? Light crews for 14's, med weight for 16's and heavy for 18's?
very much so that is why I used the following data :
AO/F18 = (76 + 80) kg/ (180 + 150) kg = 0.4727
F16/F18 = (107 + 140) kg / (180 + 150) kg = 0.7485
You should recognise the boat weights resp. 76 kg , 107 kg and 180 kg = AO, F16 and F18 as well as the related crew weights 80 kg, 140 kg, 150 kg's
The only only thing I did not include was the righting moment (crew) to capsize moment (sails) of each boat so the comparison may start to differ when the wind really picks up. In case of the F16 to F18 however the rightting ratio = 657/774 = 0.8488 and the capsize ratio = mast ratio * sail area ratio = 8.5/9.15 * 0.8750 (see earlier post) = 0.8128 Therefor the righting to capsize moment ratio between F16 and F18 is = 0.8488/0.8128 = 1.0442 = 104 % in the advantage of the F16's. But that is good as we have some smaller disadvantages here and there and these compensate for eachother now.
Wouter
