Originally 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.
Wharram Wingsail Rig conversion for Classic Designs. Sloop Rig or 2 Masted Schooner Rig sail plan, including construction of spars and rigging details.