as far as the bits that go on the back, Ron Price (the guy who designed and build this http://www.warsashsuperyachtacademy.com/news-events/news-articles/2014/september/cutting-edge-hydrofoil-catamaran-unveiled-at-southampton-boat-show.aspx,) has told me that one of the component manufacturers was to announce production transom fittings for canting foiling rudders. I haven't been able to track them down yet but .....
The solent Wisper uses screw threads to provide 120:1 purchase in a very simple and robust stock, at least for the daggerboards anyway. I'm not sure how well it would transfer to the rudder stock but the whole whisper package is beautifully thought through and well executed.
Matt
The solent Wisper uses screw threads to provide 120:1 purchase in a very simple and robust stock, at least for the daggerboards anyway. I'm not sure how well it would transfer to the rudder stock but the whole whisper package is beautifully thought through and well executed.
Matt