Hi all, I'm working on what is supposedly a little inshore Pilot cutter called Doris, built in Milford Haven in 1917. I'm not entirely sure she...
Has anyone tried solid state battery technology employed in the keel of a boat or ship to add ballast and also provide electrical power for...
Hello, I am considering adding some extra keel bolts to secure the external ballast on my 1960 Rhodes Swiftsure project boat and am hoping for...
Dear all, I am trying to estimate the resistance added from a bulb on a sailing yacht in upright resistance. I have bare hull resistance...
Hello Guys, I am new here. I am currently doing a academic project about a container vessel. Can you guys please tell me how can I determine the...
My boat, a 1960 Rhodes Swiftsure 33, has external lead ballast that makes up about the forward 1/3 of the keel. It is secured with bronze bolts...
Sailed in very light air-never picked up more than the 2mph it was when we got to the site. Moved and tacked very well for such light air. Check...
5 meter skiff drawing showing the underside of the hull with one wing extended, using a pair of opposed hydrodynamic wings for roll control
Drawing showing the wings counter force to the winds heeling force to each side of the boat.
The wings installed on the boat.
Hull design. Section A is a flat, front to back planing surface. B is a flat incline to mount the bow wave easily. C is a sharp flat to push the...
5 meter skiff using a pair of opposed hydrodynamic wings for roll control
