The finished produce will have a foil shaped using Sakrete and then covered with fiberglass once the final shape is determined by trial and error.
A plywood wing keel prototype patterned after the Hydrokeel as seen on Beneteau, O'Day, Catalina and Hunter boats of about 23' length.
The wing keel is being prototyped to try to improve windward pointing ability and not having to replace the centerboard on my 1970 Irwin...
The 2' 5" draft of the Irwin 23 with board up makes her a very desireable boat for Sarasota Bay. The winged keel is proposed to improve...
Here is an example of how nicely the twin keel version of Swain's yachts take to the ground in a stable fashion. On the BC coast, where there are...