Thanks a lot. I found this: https://repository.tudelft.nl/islandora/object/uuid%3Ad68e748f-6c80-480a-8e21-2bd116332009 interesting, too regards...
Exactly. A typical sailboat hull with heel and some leeway is strongly asymmetrical: [ATTACH] How it affect the wave drag? regards krzys
Hi Do you know about any studies on wave-making drag for asymmetrical hulls? I mean not necessarily proas, but rather heeled monohulls. A naive...
Long story. Nietoperz (the Bat) was launched in 1999. It took me 3 years to learn, how to sail her. Sailed 5 seasons on Zegrze lake, once on...
My old Nietoperz (the same principle) [ATTACH] [ATTACH] [ATTACH]
Winnie-the-Pooh did [ATTACH] Anyway, good idea. regards krzys
Yes, I did. I also sailed a flat-bottomed Wa'apa and more traditional, deep-V proas, and can compare their sailing abilities and seaworthiness....
Ambiguous feelings. Great of course, that a sailing proa arised to replace the plastic utility motor boats, but... Compare this flat-bottomed,...
There is an interesting story about this. In 1986, Polish designer Janusz Maderski (see http://www.maderski.pl/index.html ) designed a 5m...
Both foilers seem not to fly. The wind is now about 16kn, last days it was 18-19kn, downwind. A hull-flying foiler should easily exceed 20 knots...
What about the "oversquare" bow, for example =1.1? This could be beneficial for boats with an ordinary, single keel, as the AoA of the keel fin...
By the way, I needed a thick (for the strength and stiffness reasons) hydrofoil section for a similar Reynolds number range (ant the...
They are, however, heavy keelboats. Ballast in International 2.4m weighs usually about 200kgs. Even if split into 8-16 parts (according to class...
I've seen her at the exhibition. Nice boat, professionally made. Bigger and heavier than Minuet, though, so not as handy. Still can be carried by...
