You can also have a look at the 6m50 SI class, very old class (bien in 1907) but still popular in Swiss with modern designs with generous sail...
They wanted the rudders deeper while avoiding too much flexibility which degrades the steering control, so they adopt this biplan box...
The Swiss sailboat Esse 750 is a modern design, fast and can go planing, but in carbon. In case a strip planking version of same weight could be...
Actually, I was a bit frustrated by the claims of the dinghy builders about the stability, for example RS Sailing shows a kind of scale with 6...
Typo mistake above : …. is kept at 0,56 m … of course, not 0,56 cm.
As regard the sailors position : I investigated 2 positions of their centre of gravity, i.e. 150 kg at either 2,10 m (~ 40% Lw) or 2,70 m (+ 0,6 m...
My tentative approach too, with this rig and yours specifications : ** I have chosen L 5,50 m x B 1,60 m for the basic dimensions, i.e. more...
Yes, but not necessarely that much usually, especially if the forefoot is designed at water level for the displacement of reference of your design...
You can look at my example named B1 in the Dinghy chines examples document, similar to your intentions but : ** the bottom panel is wider, better...
May be you can try my free applications dedicated to sailing dinghies design + on the introduction of the examples document I developed my design...
May be you can get inspiration from this one for you amas/akas project : Metz Boats - Trika 540 Kayak-Trimaran...
It is the word« race » which seems not in tune with the spirit of such initiative, it is more a « raid » propose to amateurs for which to finish...
You have also these ones, proposed by Metz boats : Trika 540 : http://www.metzboats.de/pdf/trika540_eng.pdf TriRAID 560 :...
It is not only a question of static efforts but also a dynamic mechanical one : the windward ama + its beam is a cantilever mounting which can...
I did a free application for dinghy hull with 5 chines, within the frame of Calc (open office spreasheet tool), can be of interest for you :...
