This Draganflyer Complete Airframe is a frame with motors, gears, and rotors. Includes everything but the main circuit board, transmitter, and battery. Use as a complete mechanical replacement, or for experimentation. Great for hobby or University projects. The Draganflyer Complete Airframe Includes: 4 x Carbon Fiber Arms 4 x Vertical Risers 4 x Motor Mounts 1 x Center Cross Piece 1 x Main Wire Harness 1 x Clear Canopy 1 x Carbon Fiber Base Plate 4 x Draganflyer Motors 4 x Main Gears 1 x Rotor Set (2 "A" Blades & 2 "B" Blades) All Necessary Screws Are Also Included Compatible with all Draganflyer versions except the Draganflyer X-Pro.