This is the glow powered, Thunder Tiger Raptor 50 Titan SE R 3D Helicopter Kit with Red Color Scheme. For Advanced to Expert Helicopter Pilots 14 Year of Age and Older. FEATURES: Control System: 90° Collective Cyclic Pitch Mixing with new design for main rotor hub and mixing lever that delivers +/-15° collective pitch for very fast pitch response Autorotation Gear: Constant drive design allows aerobatics during autorotation Flapping Damper: Nonlinear for aggressive 3D flying Tail Drive: Belt type with metal guide pulleys on body and tail Tail Boom: Aluminum Body: FRP construction, painted, with decals applied, carbon fiber look canopy area Tail Rotor Blades: White plastic Vertical Fin: 3D design, constructed of carbon Aileron and Elevator Linkage: Push-pull Landing Gear: Nylon with aluminum skids Fuel Tank: 11.5oz (340cc) INCLUDES: Thunder Tiger Raptor 50 Titan SE R 3D Helicopter Kit with Body, Landing Gear, Fuel Tank 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 cu in heli type Exhaust: High-flow 3D type Main Blades: Carbon or fiberglass recommended Glow Fuel: Heli blend 15-30% nitro content Starting Shaft: 6mm hex size Flight Battery: 4.8V 1200mAh NiMH Electric Starter: 12V .90 size Remote Glow Starter Building and field equipment SPECS: Fuselage Length: 48.03" (1220mm) Fuselage Width: 5.51" (140mm) Total Height: 15.75" (400mm) Main Rotor Diameter: 54.53" (1385mm) Tail Rotor Diameter: 9.33" (237mm) Gear Ratio: 8.5:1:4.56 Fully Equipped Weight: 7.5lbs (3400g) COMMENTS: For Replacement Ball Bearings use: Qty. Size Location Qty. Bearing 2 8x12mm R& L Elevator Subassembly 1 DTXC1581 2 4x8mm Elevator Push/Pull 1 DTXC1511 4 6x13mm Rotor Shaft 2 DTXC1573 4 5x10mm Tail Rotor Hub 2 DTXC1535 2 4x7mm Tail Pitch Control Lever 2 DTXC1507 4 4x7mm Flybar Assembly 2 DTXC1507 1 5x11mm Tail Idle Pulley 1 DTXC1547 1 4x7mm Pitch Push-Pull Lever 1 DTXC1507 jxs 10/06/10 ir/jxs