Yes, a lot of multis, mostly trimarans, but very rare were trimarans with cabin and overnighters like this tremolino and another one. [ATTACH]
[ATTACH] Yes it is a real mystery. May be there is an internal race for solar energy? I for myself miss Randy. [IMG]
WaterTribe Everglades Challenge https://www.watertribe.com/Events/EvergladesChallenge/ [MEDIA] [MEDIA] [MEDIA] Results: WaterTribe Results...
More Designs of Yann: plan de catamaran https://www.boat-et-koad.com/plan-de-mulitcoques.php Does not look like a trimaran -- it is more like...
Guzzis3, please google for "Ouabain", latin "strophanthus gratus" or "strophanthus kombe". An old well known med to avoid strokes.
[ATTACH] Mark Palmquist has a lot of interesting designs in his portfolio and he is experimenting with multihulls with static and hydrodynamic...
Mark Palmquist presents his 14ft wingmaran (facebook): [MEDIA]
This discussion could be helpful: Definition of Planing https://www.boatdesign.net/threads/definition-of-planing.45248/ [IMG]
[ATTACH] An interesting solution of Athol Burns (Who is Athol Burns? https://www.boatdesign.net/threads/who-is-athol-burns.38688/ ), slightly...
[ATTACH] Bolger Box Keel, found in "BOATS with an OPEN MIND", Philip C. Bolger, International Marine, Camden, Maine, 1994, pp 287. Great Book...
[IMG] Another approach: A planing keel design by Phil Bolger (NA).
[IMG] Zoran, boats like this one have been built by QUORNING BOATS, Skaerbaek, Denmark before they switched over to MULTIHULLS. As far as I...
[ATTACH] Steve, you will find a lot of pics and description of experience when you google "viti proa" [IMG]
For people who are interested in results of scientifical research: The aerodynamic forces and wake flow of a rotating circular cylinder under...
Another approach from Bernhard Kohler published in MULTIHULL INTERNATIONAL 190, Dez 1983. As he has studied math and aerodynamics there are a few...
[ATTACH] This is a photo of Weymouth speed week 2006 of a Dinghy with a spinning Rotor from Stephen Thorpe which achieved over five knots.
Absolutely great for you! But I stick to science. Things are more complicated and complex than we think they are. I try to learn more about the...
So, as noted earlier, if inclining a rig works so well, why don't windsurfers do it? But ... they do it [ATTACH]
Hi CT249, do you remember? An old dream.... https://www.boatdesign.net/threads/an-old-dream.62688/ And: Wing of the "Kasperwing" in sailing?...
Older Design with vertical lift. EXPERIMENTAL BOAT PHOTOS PAGE 14 http://fionamsinclair.co.uk/yachts/photos/page14.htm [ATTACH]
