This is the radio controlled, glow powered, Titan X50 Torque-Tube 50 Class 3D Helicopter Kit. This version includes a Carbon Fiber Blade Set, RL53H Engine and Hi-flow 3D Muffler. 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 fiber Main Shaft: (10mm) hardened steel Rotor Head: Metal underslung design Fan: Shrouded for efficient heat dissipation Canopy: Preprinted fiberglass Engine: RL53H with hypereutectic machined Al-Si ringed type piston push pull throttle lever and Redline R3 glow plug Muffler: Hi-flow 3D 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) Landing Gear: Plastic with aluminum skids Tail Boom: Compound carbon/aluminum INCLUDES: Titan X50 Torque-Tube 50 Class 3D Heli, Canopy, Main Blades, Fuel Tank, Instruction Manual, RL53H Engine, Glow Plug, 3D Muffler REQUIRES: Radio: At least 6-channel Servos: Four standard with one digital rudder servo Gyro: Heading lock Flight Battery: 4.8V NiMH, at least 1200mAh 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) jxs 03/15/11 ir/jxs