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I will put something together about my different boats in the near future, but even though I come from a engineering background I have abandoned the very scientific approach to boat design. The first boats I build from a new male plug are really ideas stolen from what seems to be fast. The plug is an average shape, but then gets auto filler added and sanded off until I have added a few personal touches, but really these can only be a few mm here or there different from the current top designs. The real test is then to take it sailing and find the weak points. I feel my first boats never have enough buoyancy and I always end up adding more filler to the plug for each subsequent hull. I try to aim for a maximum waterline beam of about 150mm and a canoe rocker of about 56mm. The volume distribution curve should peak at about the 66% mark and the prismatic coefficient should be as high as possible (volume in the ends). The boats when floating with the stern and bow just touching probably displace about 4.2 kg. I use Robot fins. The back of the mast should be about 12-14mm in front of the fin and the fin has a 5-10mm sweep back from the vertical measured at the bottom. I am not sure if there can be any more design breakthroughs as the Britpop has not really been improved on an is still possibly the best all round boat available after more than 10 years. That being said we thought the same in paragliders when we were gliding at a L/D of 8 and the latest are over 14! Brad is currently sailing a TS2 and winning even in the light, so perhaps there could be a surprise with wide skiff type boats again. If I am stupid enough to start another design process then I would probably try the very narrow route with about 135mm on the waterline and shapes tending towards the last IACC non-foiling boats. They got squarer and flatter over time -> https://www.sail-world.com/Australia/The-AC-Finalists-Arms-Race-who-has-the-edge/-34184?source=google Or something really silly like this -> https://thomastison.com/scow-hulls-part-1-the-pros/