This is the electric powered, radio controlled, X50E Flybarless 600 EP Helicopter Kit from Thunder Tiger. For Flyers 16 Years of Age and Up. FEATURES: Frame: One piece carbon with 1.2" (30mm) slim profile Control System: 120° CCPM (may be converted to 140°) Main Blades: 23.6" (600mm) carbon Rotor Head: Hardened 10mm main shaft and 7mm feathering shaft with 3 piece metal main rotor grip set, enlarged titanium rod and ball linkage for rigidity and extreme pitch response Tail Drive: Torque tube system for crisp rudder response and 100% power transfer, all metal heavy duty tail rotor system Tail Blades: 95mm Tail Boom: Compound carbon and aluminum Motor Mount: Top mounted position for better CG and heat dissipation M3x30mm and M4x25mm bolt positions to accept a wide range of motor sizes Main Gear: 135T Landing Gear: Flexible plastic with aluminum skids Canopy: ABS preprinted color shifting INCLUDES: X50E Flybarless 600 EP Helicopter Kit with Main and Tail Blades, Canopy, Decal Sheet, Foam Blade Holder and Instruction Manual REQUIRES: Radio: 6-channel with heli programming Brushless Motor: 50/06-50H 600-size Heli Motor, TTRG9789 **The following ESCs and motors will also work with this heli; Scorpion 130amp, 12S ESC Heli; Scorpion Heli motor; Scorpion HKIII-4035-530 Brushless Motor (530KV) w/5.98mm Shaft Scorpion HKIII-4035-560 Brushless Motor (560KV) w/5.98mm Shaft http://helidirect.com/ Kontronik Pyro 700-52L Motor, 520kv. Kontronik Heli Jive 120+ HV Brushless ESC http://www.readyheli.com/ Gyro: Flybarless compatible ESC: CSEM8501 Battery: 6-12S LiPo Battery Charger: LiPo compatible Building and field equipment SPECS: Length: 52.95" (1344mm) Width: 7.87" (200mm) Height: 15.7" (400mm) Main Rotor Diameter: 52.95" (1345mm) Tail Rotor Diameter: 11" (279mm) Gear Ratio: 135t/15t (9:1), optional 12-14t pinions are available Weight: 6.06lbs (2750g) fully equipped 5.95lbs (2700g) without battery jxs 02/21/12 ir/jxs