This reminds me of the original setup of Nol's Wantoo http://f1.grp.yahoofs.com/v1/DDFEUfjkA3nA2gTSwX_8zwAMZ4S5sj2vxgNvamXDk1IG5FA2ataK4KIzkhvVRhKNhUxeOUtRio7abccRcXjNcm-mlsthUZNcZGdYqXVxoWoRtMrtBlE/Wantoo/wantoo%20overzicht2.PDF
If I remember well he wrote that Rob had talked him out of it and to revert to a leeward schooner rig. Nol however kept I believe a windward bend in the masts.
Luc
--- In harryproa@yahoogroups.com.au, Rick Willoughby <rickwill@...> wrote:
>
> A friend has been playing around with an idea I had for a canted sail
> and has built a quarter scale model of a 7m beach proa he is thinking
> about building. There is a video clip of testing here:
> http://www.youtube.com/watch?v=IgFM1f4es9U
>
> The controls are still a bit coarse and rig too flexible but it sails
> quite well and responds quickly.
>
> The aim with the canted bi-directional rig is to get better alignment
> of drive and drag forces in 3D. The flexibility of the rig tended to
> reduce the vertical component of the sail drive. Also the sail was a
> bit large for some of the gusts. A smaller sail could have increased
> canting angle to improve the vertical lift component. In addition
> the mast could be canted to the windward side rather than being
> vertical to give more vertical component to counter healing.
>
> Rick Willoughby
> rickwill@...
>