The Evolution is a high performance, state-of-the-art 2M sailplane. With its hollow core SD-7037 wings and all composite construction the Evolution has the strength for high stress F3B style launches at its designed flying weight of 40 oz. Large flaps and full camber changing gives the Evolution a wide speed range and precision landing ability. For quick and neat construction, the kit includes a molded-in radio tray, installed pushrod tubes, installed wing servo wiring, installed wing joiner tube and is molded in color.