(made in 1985)
The S4 Racer GP has been developed specifically for professional competition pilots, it's tough mylar sandwich sail ensuring that it remains accurately tuned during the constant punishment inseparable from top competition. The machine's high quality making it the world's finest dedicated competition glider.
S4 Racer GP. Mylar sandwich sail, mylar leading edge, nose cone, keel and tip fairings, airfoil control frame sides, speed bar, 8 undersuface battens and Variable Billow.