Dolfiman's Recent Activity

  1. Dolfiman replied to the thread Frenchman sets sail across Atlantic in a barrel!.

    My guess is Eleuthera Bahamas ;) , so exactly like the capsized trimaran Drekan Groupe, which drifted from Azores (capsize during the...

    Apr 23, 2019 at 11:52 AM
  2. Dolfiman liked BoraBoats's post in the thread Designing a sailing dinghy for expeditions.

    More about the floats of ePoH: "D’Armancourt didn’t want to design a trimaran. “There is nothing like steering a monohull,” he says. The...

    Apr 23, 2019 at 11:39 AM
  3. Dolfiman posted a new thread.

    Dinghy 13 ft with bi-convex sections option

    I have investigated this option in the idea to enlarge the beam overall (to maximize the righting moment from the helmsman in hiking...

    Forum: Sailboats

    Apr 22, 2019 at 4:01 PM
  4. Dolfiman posted a new thread.

    Gene-Hull version for Dinghy

    I am pleased to propose you a new version of Gene-Hull dedicated for Dinghy. Here attached are the spreadsheet application (ods. file...

    Forum: Software

    Apr 21, 2019 at 1:06 PM
  5. Dolfiman liked Doug Lord's post in the thread New Figaro 3 launch and first sail.

    Tip And Shaft Newsletter on the Figaro 3: WHAT WE WERE ABLE TO LEARN FROM THE SARDINHA CUP The first race for the new Figaro Bénéteau...

    Apr 19, 2019 at 2:52 PM
  6. Dolfiman replied to the thread Seaworthiness of Some Olympic Classes Questioned.

    Is it not also a latent question for the next AC36 in Auckland waters, where wind and sea state can be like for this race 1 of the 2003...

    Apr 19, 2019 at 12:10 PM
  7. Dolfiman liked Mikko Brummer's post in the thread The Unsolved Problem of Turbulence.

    Here's some simulated turbulence... and leech vorticity ("tip vortex"). [ATTACH] [ATTACH]

    Turbulence.png Leechvorticity.png Apr 19, 2019 at 11:38 AM
  8. Dolfiman liked DCockey's post in the thread The new SUN FAST 3300 with a double concave line.

    In English: Sun Fast 3300 and its particular hull | Jeanneau...

    Apr 18, 2019
  9. Dolfiman attached a file to the thread The new SUN FAST 3300 with a double concave line.

    The prototype was launched and first sailing early april, here are pictures, a short video and a video where Guillaume Verdier gives...

    sun%20fast%203300%20concave_1.jpg f238f3db3cf21b7e483ec62daa4f55e9.jpg compressed-759027c3-c95f-4273-917c-3e36cbc81b7b2019-03-19-jeanneau-sun-fast-3300-01.jpg sunfast.jpg b1e7d129425047f6f238ac286de72844.jpg Apr 18, 2019
  10. Dolfiman attached a file to the thread New Figaro 3 launch and first sail.

    A good friend of mine took detailed pictures of a Figaro 3 in St Malo : - the bow is very rounded, a mini scow bow typical of the...

    20190417_094127_resized.jpg 20190417_094223_resized.jpg 20190417_094300_resized.jpg 20190417_094308_resized.jpg 20190417_094009_resized.jpg Apr 18, 2019
  11. Dolfiman replied to the thread Vertical Sailing Craft to circumnavigate Antarctica at 1 knot.

    Here are pictures and videos, a simulation of the deployment, and a model at 1/41 scale which was tested in the wave tanks of Centrale...

    Apr 18, 2019