Wharram Wingsail Rig conversion for Pahi 42. Sail plan for Wingsail Sloop rig, including spar construction and rigging details. The Pahi 42 is not suitable for the Wingsail Schooner rig.
First designed in the early 1980s for the Tiki 21, the unique Wharram Wingsail Rig is a simple, aerodynamically clean sail rig. It is now available for use on all Wharram designs as a sloop, or schooner rig. This article gives all the details of what makes it work.