A low aspect ratio wing with an undercambered airfoil produces a model with a fast climb and a floating glide. Design by Dan Sabola was state-of-the-art in 1956 and selected by the National Free Flight Society for one-design competition at the 1998 United States Outdoor Free Flight Championships. BMJR kit has a 35" wingspan. 250 sq.in area, 76 laser cut parts.