Century Helicopter Product’s newest RC helicopter model, the Century 50NX, is a new breed of helicopter. Ideal for beginners new to the hobby, the initial flight characteristics are extremely smooth with a sense of "fly's like it's on rails" type of feeling. When setup for the expert pilot, the 50NX becomes a monster in the sky performing the most extreme aerobatics. This kit will exceed your expectations for precision control at an affordable price. Features: Aluminum hub molded into composite yoke. Large ball bearings and thrust bearing in each blade grip. 120 degrees electronic push/pull CCPM control system for precision control. 4mm flybar control system. One-piece flybar control yoke. Multiple flybar paddle configurations. Full ball bearing washout unit. Tunable washout guide phasing. Dual bearing all metal swashplate. High efficiency two-stage power system. Composite G10 rigid frame design. One-way top start system. CNC machined metal clutch bell. Sleek Aero-Flo crash resilient canopy design with tinted see-through windshield. Steel hub triple bearing tail rotor blade grip assembly. Stainless steel high efficiency torque tube driven tail. Dual tail boom supports. Rear tail rotor servo mount. Constant driven tail drive system. Tuff low profile landing struts. Large 500cc fuel tank. Includes high performance angled-tip fiber filled tail blades. Specifications: Length: 47.5" Height: 15.2" Main Blade: 600-620mm Main Rotor Diameter: 53" Tail Rotor Diameter: 9.3" Engine: .46-.50 2-C Bearings: 45 Gear Ratio: 8.76 to 1