I did not want an outboard: Cost of purchase, need to lengthen the drive shaft and once tilted up an outboard leaves you pretty well without...
Yes, several reasons. I want this craft to be "beachable". With retractable foils I will be able to move it in 4 " of water. The other reason is...
Thanks Rick for posting this remarkable site. I read it with a great deal of interest. Haybayian
Hello boat designer friends, I am now about to design and build a power train for my 4 m hydrofoil. I have bought a 8 blade 45 "fan which will...
Hi Murielle, My post sounded more negative than I intended. The point I was trying to express was what most people I think agree with : bermudian...
Sorry, English is not my mother tongue, this should read "under all winds". What I meant was that with her large main my boat was very fast down...
If you are asking for opinions about gaff headed schooners here is mine. I built a 40' Roberts Spray which I rigged first as a gaff headed...
Thanks Rick, This is a remarkable contribution to my project. I tried the calculator that you are suggesting and it is indeed not difficult even...
Tim, I have looked into wigs myself and learn a little. My impression (being an ex commercial aircraft pilot) is that the greatest handicap wigs...
FF Thanks for your points. Could you elaborate on your "rule of thumb"? I would like to understand the huge discrepancy between air props and...
Thanks Messabout for you input. I agree with some of what you said but not all of it. The Mazda engine is a Z5 delivering 92 hp @ 6000 rpm . A...
Nice machine. Yes I could bolt a prop to it. Should it be above or below the waterline. ;) Haybayian
I could keep the prop rpm to 3200 (half the max design speed of my engine). The prop dimension? I hope to keep it reasonably small (i.e. 45 to 60...
Thanks for your thoughts. My hydrofoil features a main hull approximately 4 m x 1 m and two small outriggers designed to provide stalibilty. It...
