There's no problem here. So long as the parts of the sail come together as near to the vertical pivot as is practicable, there is little movement...
In an uncontrolled gybe, about 20 - 30 degrees.
I.N., I addressed the first part of this question in #5 of this thread, as follows: "4. The LHP is actually a good way of shaping up the sail....
Interesting. A year or so ago, there was a big tri with foils on the Swiss lakes, with just this design of rig, very much bigger of course. There...
I believe that my thoughts have now solidified (like very slow setting epoxy, it takes a long time!). Airing the design on this forum resulted in...
To take your last point first: There's no problem with strong steady winds. There's a problem with the turbulent winds found nearer to the surface...
A complete non-starter, I think, Timothy. From an instructional website: "To get all the battens sitting in the correct position, sailors may...
Here is a comparison between three configurations of batten that I consider to be practical to make and functional in use. Broad after V batten...
Peter, Yes, all these wing sails will sail at 10 degrees alpha, or more, and thus can do as most sailing boats can do, and point at about 30...
Whenever off the wall ideas like this come up, I test them against my practical experience. How will this work in the thunderstorms of the ITCZ,...
Here's how the design stands at the moment (of course, I'll change my mind again tomorrow, but as long as I'm just chasing pixels around a screen,...
Kites and para gliders don't tack and gybe. There's an insoluble geometric problem with this idea. The board sailing kites that I've seen have a...
Crucial difference: I have left the cloth free only in the after half of the sail, and its spanwise length is tightly controlled. The forward half...
I.N., Tried it, a long time ago! This was exactly where I was circa 1980. You can draw the cloth billowing outwards into the shape you want, but...
Let me admit that I didn't do it, it was done by the sparmaker Atlantic Spars, in Devon, UK. The method is to cut out a longitudinal sliver to...
Yes, the inevitable mast bend is a large part of the problem; but perhaps you're missing that with a tapered mast (only tapered in the upper half,...
Exactly so, Will. CAD has made it easy to dream up and draw half a dozen variations on a theme before cherry picking the best of each and...
Thank you for continuing to probe and find the weak spots in the design. This is the way I like to work, even if I get tetchy at having to explain...
Been there, done that - and never ever want to do it again! Yes, you can make such a thing, but when you could have bought a tapered alloy light...
I have this in mind, and did in fact first draw the sails with a Z on the windward side, and the two parts connected. This might work, but...
