This is the radio controlled, glow powered, Titan X50 Torque-Tube 50 Class 3D Helicopter. FEATURES: Tail Drive: Torque tube driven tail rotor for crisp rudder response and 100% power transfer, lightweight 0.92oz (26g) metal tail case with 6mm transfer shaft Main Blades: Carbon, 23.6" (600mm) Main Shaft: (10mm) hardened steel Feathering Shaft: 7mm Rotor Head: Metal underslung design Fan: Shrouded for efficient heat dissipation Canopy: Preprinted fiberglass Frame Sections: One-piece carbon, slim profile design, only 1.2" (30mm) wide Paddles: Lightweight 0.70oz (20g) for high 3D performance Fuel Tank: 16.2oz (480cc) total capacity of main and header tanks Landing Gear: Plastic with aluminum skids Tail Boom: Compound carbon/aluminum Receiver Tray: Lengthened for LiPo packs INCLUDES: Titan X50 Torque-Tube 50 Class 3D Heli, Canopy, Main Blades, Fuel Tanks, Tail Boom, Decals and Instruction Manual REQUIRES: Radio: At least 6-channel Servos: Four standard with digital rudder servo Gyro: Heading lock Flight Battery: 4.8V NiMH, at least 1200mAh Engine: .50 heli engine Glow Fuel: Heli blend with 15-30% nitro content Starting Shaft: 6mm hex size Electric Starter: 12V .90 size Remote Glow Starter Building and field equipment SPECS: Length: 47.24" (1200mm) Width: 7.87" (200mm) Main Rotor Diameter: 52.95" (1345mm) Main Rotor Length: 23.62" (600mm) Tail Rotor Length: 3.74" (95mm) Gear Ratio: 1:8, 5:4.56 Fully Equipped Weight: 7.16lbs (3250g) COMMENTS: jxs 03/15/11 ir/jxs