Size:    Description:   \u25cfThe more exquisite exterior not only shows the beauty of power and perfect、 but improves flight performance and will bring the pilot into a higher level of flight as well. \u25cfEquipped with the trend setting、 low CG DFC rotor head、 providing the most direct and precise control feel back to the pilot. \u25cfComposite technology is used throughout the side frames which cleverly strengthen the weak areas、 and eliminated servo mounting nuts to simplify maintenance at the same time. Removable gyro mounting platform and receiver mount are more rigid and ergonomically friendly. Rudder servo is mounted inside the frame for more central CG point to improve 3D performance、 as well as minimize crash damage to the servo.  \u25cfIt features high stability、 excellent gust resistance、 superior control feel、 and being 500 is just the right size\/price、 it is the ultimate choice for enthusiasts.   Specification:   \u25cfLength:868mm \u25cfHeigh:275mm \u25cfMain Blade Length:425mm \u25cfMain Rotor Diameter:978mm \u25cfTail Rotor Diameter:206mm \u25cfMotor Pinion Gear:12T \u25cfMain Drive Gear:134T \u25cfAutorotation Tail Drive Gear:145T \u25cfTail Drive Gear:36T \u25cfDrive Gear Ratio:1:11.17:4.03 \u25cfWeight(Without Electrical Device): about 1210g   Radio transmitter and electronic equipment required for assembly:   1.Transmitter (6-channel or more、 helicopter system)  2.Receiver (6-channel or more)  3.Pitch gauge or Digital Pitch Gauge  4.22.2V 6S Li-Po 2600~3300mAh battery 5.6S Brushless Motor x 1  6.Brushless ESC x 1  7.CCPM Micro Digital Metal Servo x 3 8.Medium Digital Metal Locked Rudder Servo x 1  9.Flybarless Gyro System x 1  10.Plug Set x 1   Packaging:   \u25cfDevil 500 Pro KIT x 1   Photo         Detail Description