The Simple Series concept is just as the name implies: SIMPLE. An injection molded foam wing and die cut parts that are crisply and cleanly cut, literally fall together in a few hours. Specification: Wing Span: 35" Wing Area: 188 sq. in. Length: 27" Weight: 18 oz. Engine: .049 - .074 cu. in. Motor: 480 or AP-29 Req. Radio: 2-4 Channel