Great Planes Extra 300S .60 Size Kit FEATURES: Simple D-tube wing construction and a Lock and tab fuselage Twin aileron servos, giving more control authority and simplifying installation INCLUDES: All wood to build the kit, pushrods, hardware package, ABS cowling, Butyrate canopy, photo illustrated instructions, CAD generated rolled pl REQUIRES: Engine: .61-.90 (2-stroke) or .91-1.20 (4-stroke) Radio: 4+ channel (twin ail & twin elev can use channels 5 & 6) Servos: 5-6 (6th servo)