RH55E19X ALIGN T-REX 550X Dominator Super Combo (DS820/DS825 Servos)


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This model comes with DS820 and DS825 servos.
All other components same as T-Rex 550X Super Combo (RH55E18X)

The NEW TREX 550X Dominator Combo Kit. There are several upgrades to this new release by Align; including HV Servos, Skid Design, 100A Brushless ESC, 730MX Motor, Tail Pitch Assembly, and more.

  • Advanced 550EFL Rotor Head
  • Integrate the composite material side plates engineered by exclusive embedding technology
  • Advanced lightweight structure design : 250g lighter than our previous model
  • Progressive Landing Skid with 5 degree tilted forward
  • 730MX 960KV Motor with superior power supply
  • DS820/DS825 HV Brushless Servo for Combo Heli
  • RCE-BL100A Brushless ESC
  • Advanced Lightweight Canopy



Manufactured with durable lightweight fiber material,
and utilizing an engineered aerodynamic design,
the Align Advanced Lightweight Canopy forms a
protective shield for the entire machine.
The Align T-Rex 550X is 200g lighter than our pervious model.



Landing skid is tilted 5 degree forward which improves crashworthiness.



The 550EFL Flybarless Rotor Head System utilizes extreme low CG design
to effectively reduce resistance during 3D maneuvers while increasing flight
responsiveness and precision. In addition, the high quality of the helicopter
design is accented with red anodized and stainless color precision machined metal parts.



Align Advanced Metal Swashplate firmly connects to rotor grips preventing rotor head
disengagement during intense flight. Two linkage ball mounting holes provided to
improve control of system movement. A resolution hole or larger movement reaction
hole can be selected based on your flying preference or style.



Brand new 730MX motor is especially designed for power upgraded T-REX 550X,
normally found in 700 class high spec helicopter, that enthusiasts can clearly feel
the dramatic increase in power and torque, while taking advantage of its higher efficiency,
lower current and temperature benefits. Features with high torque, high efficiency, stable and quiet.



The high-end Microbeast PLUS 6-axis gyro with 32-bit high-speed processor is much precise
and superior in programming and computing allow for significant handling performance and
delicate response. In addition, the Microbeast PLUS gyro is vibration-reducing improvement
and strongly reduce the effects of the vibration to flying performance.



32-bit fast-speed processor.
High quality MOSFET.
Adjustable BEC function, supply power to receiver and servos.
Superior governor feature.
Support 730MX Brushless Motor, Extreme 3D Flight.
Support USB interface to PC for firmware updating.



Designed specifically for helicopters, utilizing a brushless motor for fast speed,
high torque, and super efficient reaction time, allowing the Align 700X
to perform faster with precision. The brand new DS820 high voltage brushless servo
is equipped with a new CNC machined aluminum case. This new aluminum case exhibits
top of the line servo aesthetics while providing a heat sink function for the best protection of the servo.



3K Main frame features; embedded battery mounting rails, integrated magazine structure,
and a latch design which provides great protection for the battery while providing
a convenient way for mounting. This unique use of open spaces within
the frame creates a rigid frame and is aesthetically pleasing.



Integration of CNC Aluminum alloy and POM Polyacetal which can lower friction between
the linkage ball and the Metal Anti Rotation Bracket. In addition, this new design increases
the efficiencies and accuracy of the servos.



Carbon Fiber Tail Control Rod improves the helicopter tail control.


Durable and Precise! Manufactured with stronger material, the Torque Tube Front Drive Gear
is more durable and precise. The stronger material reduces the probability of gear striping during flight
or damaging the gear as a result of a crash.The newly designed dual point supported tail pitch assembly
delivers slop free performance while improving rudder resolution and precision.


Standard equipment

730MX Brushless Motor(960KV) x 1
DS820 High Voltage Brushless Servo x 3
DS825 High Voltage Brushless Servo x 1
RCE-BL100A Brushless ESC x 1
Microbeast PLUS Flybarless System x 1



Main Rotor Diameter:1248mm
Main Blade Lenght:550mm
Tail Rotor Diameter:254mm
Motor Drive Gear:16T
Main Drive Gear:112T
Autorotation Tail Drive Gear:131T
Tail Drive Gear:34T
Drive Gear Ratio:7:1:3.85
Weight(w/o power system):2590g



T-REX 550X DOMINATOR Set x 1set
550 Carbon Fiber Blades x 1set
90mm 3K Carbon Fiber Tail Blades x 1set
730MX Brushless Motor(960KV) x 1
DS820 High Voltage Brushless Servo x 3
DS825 High Voltage Brushless Servo x 1

RCE-BL100A Brushless ESC x 1
Microbeast PLUS Flybarless System x 1

Radio transmitter and electronic equipment required for assembly:
1.Transmitter(7-channel or more,helicopter system)
2.Receiver(7-channel or more)
3.Pitch gauge or Digital Pitch Gauge
4.6S Li-Po 2600~5200mAh battery x 1

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