XL55K04 XL550 Combo With Motor、Esc And Servos

SPECIFICATIONS:
Length:                                 1080mm
Height:                                 310mm
Width:                                  160mm
Main blade size:                        430mm - 570mm
Tail blade size:                        72mm - 85mm
Motor pinion:                           12t included;13t optional
Helical CNC Main gear:                  106t
Tail pinion:                            13T
Autorotation gear:                      60T
Main to tail gear ratio:                4.615
RTF weight:                             2500g-2800g
Main shaft diameter:                    10mm
Feathering shaft diameter:              8mm
Tail boom diamater:                     20mm
Max battery size:                       220mm*48mm*55mm(6s)
Includes:
(1) XLPower 550 Kit
(1) XLPower Brushless Motor 4025

(1) Hobbywing Platinum 120A V4 ESC
(1) Set of RT 560mm Rotor Blades
(1) Set of XLPower 85mm Carbon Tail Rotor Blades

(3) DS512HV Digital Servo
(1) DS747RS Rudder Servo
(1) Foam Blade Holder

Needed to Complete:
Transmitter (7-channel or more, helicopter system)
Flybarless system
(1) 6S Li-Po 3000 ~ 5200mAh
(1) Digital Pitch Gauge
Misc. Building Equipment