Malith--a planing hull is a big mistake. A human powered craft is never going to plane, and planing hulls have a lot of drag at low speeds. You...
Hi Geovani13, Welcome to the Forum. If you really want to build boats, then forget about a master's degree and go work for a boat builder. You...
JF--Certainly, for any given boat, a more efficient rig will render better performance for the boat than a less efficient rig. And yes, you can...
Hi Jammer Six, First, thanks to Grey Ghost for including me in his list of suitable designers. Second, I have done a preliminary design of a...
Sure, the speed of the wind coming into the rig is the apparent wind speed, and that is a function of boat speed. A heavier, slower boat is going...
Phatbouy, Welcome to the forum. You can Google "Bahama Sandpiper 24 Sailboat" and get this link:...
Modflod, I think you have a proper understanding of the Sail Area/Displacement ratio and the advantages of higher rig efficiency and what that...
Thanks, David C. for those links. It is nice to know the McGraw-Hill book is available for free onlline. Another suggestion is "Fiberglass Boat...
This is a subject that will demand a lot more space and time to explain than is available here. You should consult a yacht design manual (or...
Powerabout, The lift force on the rudder is always going to be perpendicular to the plane of the rudder (and perpendicular to the flow), and the...
FDESP80, Welcome to the Forum. The reason for putting twin rudders on any boat is so that as the boat heels, the active rudder is pointing more...
Malith, There are a few threads on this forum that have to do with human powered craft, specfically:...
Uncivilized, A stability test is going to give you the position of the longitudinal and vertical center of gravity of the boat. From that, you can...
Rob, Welcome to the forum. On such a small boat, you can probably successfully make a workable GRP boom. But you have a wrong assumptions about...
