We are proud to present the all-new SAB Genesis F3C is a no-compromise model, developed specifically for F3C competition. Every detail is designed to deliver maximum precision, quiet operation, vibration control, and outstanding flight presence. Technical specifications: Weight: 3980g excluding battery (w/ 4525 motor, 150A ESC, servos and FBL) Main rotor diameter: 1576mm (737mm) Main blades: 690-750mm Tail rotor diameter: 292mm (110mm) Tail blades: 105-115mm Main shaft: 12mm Tail shaft: 6mm Tail Boom: Carbon fiber molded Cyclic servo: Standard 40mm Tail servo: Standard 40mm Typical Motor: 12S 340-420KV Typical ESC: 12S Typical battery: 12S Battery room: 50x60x300mm Main rotor ratio: 6.1-8.4:1 (21T included 7.3:1) Tail rotor ratio: 4.1-5.0:1 (24T included 4.4:1) Package includes: Helicopter kit* 21T motor pulley Two battery trays w. integrated connectors S737X F3C 737mm main blades (240g) S110 110mm tail blades * Kit does not include motor, ESC and other electronics, need to purchase separately. Assembly is required.