Catamaran with experimental airfoil rig, circa 1959

photograph

Photograph; black and white, mounted on board with 94.85.12 and 94.85.14; Edward Lincoln seated in catamaran, with experimental airfoil rig; circa 1959; label at left of photo reads "Coming about. In a high/ wind, airfoil in this position develops lift,/ steadies the hull. With/ this rig, it is equivalent/ of reefing/ The Trim Tab (trailing/ control surface) was too/ small to be effective in light airs./ Experimental airfoil No./ 2. Fiberglass spar, Foamed/ styrene ribs, Mylar skin" [Experimental airfoil built by John W. Lincoln]