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Align T-Rex 700X Dominator Electric Helicopter Kit with 850MX Motor

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ETA: 2019-02-22

As low as$87.20/mo with Affirm Learn More
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All-New Align T-REX 700X is specially designed for extreme 3D flight addicts.

The advanced engineered narrow body design efficiently decreases gear abrasion, machine deformation, increases power, and extends flying durability. The unique Split-Type Main Frame design, made of composite material side plates, is engineered using our proprietary embedding technology, which strengthens the entire structure and provides better accessibility for servicing the T-REX 700X. This extraordinary design includes a progressive lightweight landing skid making the T-REX 700X the leader in the 700 class. The Align T-Rex 700X is 400g (0.882lbs) lighter than our pervious model, this can effectively increase your flight time. The brand new 700EFL Flybarless Rotor Head System utilizes an extremely low CG design which reduces resistance during 3D maneuvers while increasing flight responsiveness and precision.

The T-REX 700X is equipped with the new 850MX motor which is highly efficient with superior power, excellent torque, low current draw, and is the most advanced motor approved by World RC Champions. The new designed motor cooling mount plate can reduce the motor operating temperature up to 20°C (68°F). The helicopter’s high quality design is accented with precision machined red and silver metal parts. The brand new RCE-BL130A brushless ESC supplies extreme power. The ESC includes a superior governor and BEC which allows you to set 5V-8V (Step: 0.1V). The NEW DS820M/DS825M high voltage brushless servos are more efficient and out perform other servos in this class. To protect these servos the new high-end CNC aluminum case function as a heat sink allowing the servos to operate at a lower temperature.

Gathering fully ultimate perfection all in one : Steelness, Lightweight, Precision. T-REX 700X, the King of the Sky is now arrived! What are you waiting for? Let the most innovative design and high-end equipments elevate the adrenaline in your blood!


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.


Landing skid is tilted 5 degree forward which improves crashworthiness.


Engineered Narrow Body Design efficiently decreases gear abrasion and machine deformation. The Align T-Rex 700X newly designed narrow body is more powerful and has longer flying durability.


The 700EFL 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.


Our new 850MX motor inherited features from the previous 800MX such as high efficiency, superior power, excellent torque, low current draw, and a low operating temperature. The 850MX is capable of maintaining a more consistent torque and head speed through continuous 3D maneuvers. This is a particularly designed for 3D flights.


The CNC Plate is designed to strengthen the Align 700X frame while efficiently acting as a heat sink to efficiently dissipate motor heat. (This can lower motor temperature up to 20 degrees Celsius during flight)


3K Main frame features; embedded battery mounting rails, integrated magazine structure, and a latch design. The CNC Aluminum Battery Mount provides great protection for the battery while providing a convenient way for mounting.


Composite material side plates engineered by exclusive embedding technology, which strengthens the entire structure and eases serviceability.


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.


Highly enhance structural strength, effectively increase the torsional capability.


Brand new matting carbon tailboom using carbon fiber and aluminum imbedded technology, features light weight and high strength.


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. A simple enhanced Multiple-bearing design allows smooth and accurate movement. Take control of your T-Rex 700X just the way you like it!


Electric equipment

•850MX Brushless Motor(490KV/4535) x 1


•Length: 1320mm
•Height: 360mm
•Width: 195mm
•Main Blade Length: 700mm
•Main Rotor Diameter: 1582mm
•Tail Rotor Diameter: 281mm
•Motor Drive Gear:13T
•Main Drive Gear:110T
•Autorotation Tail Drive Gear: 102T
•Tail Drive Gear: 23T
•Drive Gear Ratio: 8.46:1:4.43
•Weight(With Battery): Approx. 5100g


•T-REX 700X Kit Set x 1 set
•700 Carbon Fiber Blades x 1 set
•106mm 3K Carbon Fiber Tail Blades x 1 set
•850MX Brushless Motor(490KV/4535) x 1

Radio transmitter and electronic equipment required for assembly:
•Transmitter(6-channel or more, helicopter system)
•Receiver(6-channel or more)
•6S Li-Po 4500 ~ 5200mAh x 2 
•Digital Pitch Gauge
•CCPM Brushless Servo x 3
•Rudder Brushless Servo x 1
•Brushless ESC x 1
•Flybarless System x 1

  Main Blades Tail Blade RPM approx. Tail Drive Gear Front Drive Gear Drive Gear Ratio
Standard 700 106 2150 ~ 2200 RPM 102T 23T 8.46/1/4.43
Re-fitting 700 106 2000 ~ 2150 RPM 104T 22T 8.46/1/4.73
Re-fitting 700 106 < 1900 RPM 105T 20T 8.46/1/5.25
For your safety, please pay attention to the above 2200 RPM, incorrect excess 2200 RPM may result in damage to the helicopter or injury the porperty of others.



Warranty, Returns & Support

Warranty Information

We truly thank you for your purchase, and when things go wrong, we are here to help in any way that we are capable of doing so.

In regards to any warranty related matter, please reference the below information to help understand our warranty policies, as these warranty policies are absolute when it comes to any purchase made via HeliDirect.

Warranty Time Frame

Regarding product(s) purchased via HeliDirect, each manufacturer has their own specified warranty time frame, and HeliDirect holds the sole right to direct the customer to the manufacturer for stated warranty support in regards to manufacturer's that require direct level warranty support.

Our stated (14) day return policy directly relates to brand new, unused products being returned for a refund or store credit, and does not relate to warranty related situations for faulty product(s). Faulty, damaged or problematic items are handled upon a case by case basis, and will be detailed below based upon the warranty options available.

Our team at HeliDirect is highly motivated to assist in every possible way regarding warranty support, but please be 100% aware that warranty support for the product(s) you have purchased may be handled directly via the manufacturer, and not through HeliDirect.

If your product(s) involve direct manufacturer support, we are still available to assist. We ask that the customer make the initial manufacturer contact for warranty support, but in the case where a manufacturer response is not receive within (5) business days, HeliDirect will step in upon your behalf, utilizing our channels to assist you with this manufacturer based support.

In the above case, HeliDirect will do everything in our power to make sure the manufacturer assists you directly, but please note that all such warranty in regards to an issue like this will still be directed through the manufacturer.

Warranty Related Issues

Please note that HeliDirect is not a warranty repair center, nor do we offer warranty regarding many items we resell. Product(s) purchased via HeliDirect are subject to the original vendor’s repair / replacement warranty policies & timelines, and will be directed to the manufacturer at our discretion.

HeliDirect will not assume responsibility and / or liability for any manufacturer defect, or damage due the use / misuse of the product(s) purchased. Further, HeliDirect cannot / will not be held liable for ancillary damage to product(s) based upon a manufacturer fault or defect. All such issues will be dealt with at the manufacturer based level.

If your item is found to have a fault or defect after installation or use, your product may be subject to warranty repair via the original manufacturer, no matter what the purchase date may be. HeliDirect does not cover repair, replacement or warranty via used / installed products. All such issues will need to be dealt with at the manufacturer level.

Damage Due to Ancillary Product Failure

In regards to damage that directly results to a failed product installed in conjunction with another product, we are happy to assist in terms of warranty support for the product that has failed, but please be aware that we cannot be held liable for ancillary damage to other items or components that may have been damaged due to the original product failure.

Warranty Returns

If your product is approved by our customer service staff as a valid return that we will handle directly, please note the below information regarding all such approved warranty items sent to HeliDirect.

- Any item(s) approved for return to HeliDirect will be subject to inspection and or testing to verify the noted information provided by the customer regarding the flaws, faults or damage.

- Due to the various aspects of testing, repair and other return processes, please be aware that any such approved return will require (2) to (5) business days for proper processing. Our staff will certainly do all that we can to reduce this time to the bare minimum, but please be aware that the return process can take up to (5) business days to complete.

- If the product(s) approved for return are deemed faulty by our returns specialists, we will proceed with a repair, exchange, credit or refund based upon the situation at hand. All such information will be communicated to the customer before any re-shipment is made.

- If an item that encounters a warranty issue after usage, HeliDirect may opt to repair the product versus an exchange, as exchanges can only be made for valid warranty relating to products that have no use of flaws. Our staff will be sure item is in 100% working order based upon any repairs, but exchanges, credits or refund cannot be offered for items under warranty that have been used and are no longer able to be sold as new.

- In the case of product(s) returned to us that test to be non faulty, the product(s) will be returned to the customer in the condition received. Our staff will reach out to the customer with necessary information regarding what may have been missed, and what steps to take in order to utilize the product(s) effectively.

- For non faulty diagnoses of returned product(s), refunds, store credits or exchanges cannot be offered, as the product(s) received cannot be sold as new and unused.

Spare & Accessories

  1. Out Stock Align 700-800 Blade Clips
  2. In Stock Align 700E Tri-Blades Head Feathering Shaft
  3. In Stock ALIGN Hook & Loop Fastening Tape HOB00001
  4. In Stock Align Landing Skid - Black (Trex 550X / Trex 700X)
  5. In Stock Align Landing Skid - White (Trex 550X / Trex 700X)
  6. In Stock Align New T-Rex 700/800 Red M1 Torque Tube Front Drive Gear Set/23T
  7. In Stock Align T-Rex 700 Metal Tail Pitch Assembly
  8. In Stock Align T-Rex 700/800 Motor Slant Thread Pinion Gear 12T (L27)
  9. In Stock Align T-Rex 700/800 Motor Slant Thread Pinion Gear 13T (L27)
  10. In Stock Align T-Rex 700E 3-Bladed Head Control Arm Set
  11. In Stock Align T-Rex 700E 3-Bladed Head Head Damper
  12. In Stock Align T-Rex 700E 3-Bladed Head Linkage Ball Set
  13. In Stock Align T-Rex 700E 3-Bladed Main Rotor Head
  14. In Stock Align T-Rex 700E 3-Bladed Tail Rotor Set
  15. In Stock Align T-Rex 700X Anti Rotation Bracket
  16. In Stock Align T-Rex 700X Blue/Yellow Painted Canopy
  17. In Stock Align T-Rex 700X Canopy Mounting Bolt
  18. In Stock Align T-Rex 700X Canopy Support Set
  19. In Stock Align T-Rex 700X Carbon Fiber Bottom Plate
  20. In Stock Align T-Rex 700X Carbon Fiber Main Frame
  21. In Stock Align T-Rex 700X Carbon Fiber Main Frame(L)
  22. In Stock Align T-Rex 700X Carbon Fiber Main Frame(R)
  23. In Stock Align T-Rex 700X Control Arm Set
  24. In Stock Align T-Rex 700X FL Designed Main Rotor Housing Set
  25. In Stock Align T-Rex 700X Frame Mounting Block
  26. In Stock Align T-Rex 700X Frame Mounting Bolt
  27. In Stock Align T-Rex 700X Frame Washer
  28. In Stock Align T-Rex 700X Green/White Painted Canopy
  29. In Stock Align T-Rex 700X Main Shaft Bearing Block
  30. In Stock Align T-Rex 700X Motor Mount
  31. In Stock Align T-Rex 700X Motor Pinion Gear Bearing Mount
  32. In Stock Align T-Rex 700X Servo Mount Set
  33. In Stock Align T-Rex 700X Shapely Reinforcement Plate And Brace Assembly
  34. In Stock Align T-Rex 700X Tail Boom Mount Set
  35. In Stock Align T-Rex 700X Tail Pitch Control Link
  36. In Stock Align T-Rex 700X The 3rd Main Shaft Bearing Block
  37. In Stock Align T-Rex 700X White/Red Painted Canopy