Blade 550X - User Manual

Questions and Answers

M
Monica BurnsJul 30, 2025
Why will my Blade 550X AR7200BX not initialize?
- M
  Mr. James Mcdaniel IIJul 30, 2025
  The Blade toy AR7200BX might not initialize due to several reasons. First, the helicopter may have been moved during initialization; if so, lay the helicopter on its side during initialization, especially if it's windy. Another reason could be that the transmitter is powered off; ensure the transmitter is powered on. Lastly, the controls might not be centered; make sure to center the elevator, aileron, and rudder controls, and ensure the throttle is at idle.
K
kevin39Aug 4, 2025
Why is my Blade 550X Toy helicopter lacking power?
- M
  Ms. Andrea Gordon MDAug 4, 2025
  If your Blade toy helicopter lacks power, several factors could be at play. The flight battery might have low voltage, so fully charge it. Alternatively, the flight battery could be old or damaged, in which case you should replace it. Unbalanced flight battery cells can also cause power issues, so fully charge the battery and allow the charger time to balance the cells. Finally, excessive current might be drawn through the BEC; check all servos and the helicopter motor for damage.
S
Suzanne BridgesAug 8, 2025
What to do if Blade 550X helicopter will not respond to the throttle?
- S
  sharonwashingtonAug 8, 2025
  If your Blade toy helicopter responds to other controls but not the throttle, several things could be the cause. First, the throttle might not be at idle, or the throttle trim could be too high; lower both the throttle stick and the throttle trim. The transmitter might not be in normal mode, or throttle hold might be on; ensure the transmitter is in normal mode and throttle hold is off. The motor might not be connected to the ESC, or the motor wires could be damaged; connect the motor wires to the ESC and check for damage. Also, check if the flight battery charge is too low and replace or recharge it. Finally, the throttle channel might be reversed; reverse the throttle channel on the transmitter.
J
Jesse OliverAug 13, 2025
Why is the LED on my Blade Toy receiver flashing rapidly and the aircraft will not bind to the transmitter?
- J
  Jason TuckerAug 13, 2025
  If the LED on the receiver of your Blade toy flashes rapidly and the aircraft won't bind to the transmitter during binding, it could be due to a few reasons. The transmitter might be too close to the aircraft during the binding process; power off the transmitter, move it further away from the aircraft, disconnect and reconnect the flight battery, and then follow the binding instructions. Alternatively, the bind switch or button might not have been held while the transmitter was powered on; power off the transmitter and repeat the binding process, ensuring you hold the bind switch/button. Lastly, the aircraft or transmitter might be too close to a large metal object, wireless source, or another transmitter; move them to another location and try binding again.
D
diane96Aug 16, 2025
Why Blade 550X helicopter will not lift off?
- K
  Kendra MclaughlinAug 16, 2025
  If your Blade toy helicopter won't lift off, several factors could be responsible. Check that the main rotor head is spinning clockwise, referring to the motor control test if needed. Also, ensure your transmitter settings are correct, paying attention to throttle and pitch curve settings and pitch control direction. A low voltage flight battery could also be the culprit, so fully charge it. Lastly, verify that the main rotor blades are installed correctly, with the thicker side as the leading edge.
D
David AustinAug 21, 2025
What to do if the Blade 550X Toy helicopter tail spins out of control?
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  davistheresaAug 21, 2025
  If the tail of your Blade toy helicopter spins out of control, several issues could be the cause. Make sure the rudder control and rudder sensor are operating in the correct direction. Check the rudder servo for damage and replace it if necessary. Damaged tail drive gears can also cause this problem, so replace any damaged gears. Ensure adequate travel of the rudder control arm and adjust if necessary. Also, verify that the torque tube is fully engaged in the tail gears, ensuring the tail boom and tail gear box are fully seated, and confirm the tail pushrod length and tail settings on AR7200BX are correct after making any changes.
R
Richard GriffinOct 25, 2025
What to do if the LED on the receiver flashes rapidly and the Blade Toy aircraft will not respond to the transmitter after binding?
- S
  Sara DixonOct 25, 2025
  If the LED on the receiver is flashing rapidly and the Blade toy aircraft won't respond to the transmitter after binding, a few things could be happening. First, ensure you wait at least 5 seconds after powering on the transmitter before connecting the flight battery to the aircraft. If that's not the issue, check that the aircraft is bound to the correct model memory on your transmitter (if you're using a ModelMatchTM radio). Also, check the charge levels of both your flight battery and transmitter battery, and replace or recharge them if they're low. It's also possible the transmitter was bound to a different model or with a different DSM Protocol, so select the right transmitter or bind to the new one. Finally, the aircraft or transmitter might be too close to a large metal object, wire...

Summary

General Safety Precautions and Warnings

Meaning of Special Language

Explains warning terms like NOTICE, CAUTION, WARNING.

Key Safety Precautions

Lists important general safety rules for operating the helicopter.

Blade 550 X Specifications

Assembly Preparation and Components

Tools Required for Assembly

Lists essential tools required for building the helicopter.

Essential Components and Optional Items

Lists crucial parts, systems, and optional accessories.

Assembly Guide Symbols Explained

Explains the meaning of symbols used in assembly instructions.

Head Assembly (H)

Step H1: Main Rotor Grip Assembly

Assembling the main rotor grip with bolts and nuts.

Step H2: Follower Arm Attachment

Installing follower arms, washers, and bolts.

Step H3: Spindle and Damper Preparation

Cleaning spindle threads and installing dampers.

Head Assembly Continuation

Step H4: Spindle Bolt and Bearing Assembly

Assembling spindle bolts, washers, bearings, and cages.

Step H5: Final Head Component Assembly

Completing the main rotor head assembly.

Frame Assembly (F)

Step F1: Initial Frame Assembly

Initial frame assembly and plate connections.

Step F2: Servo and Frame Component Installation

Installing servos and securing frame components.

Frame Assembly Continuation

Step F3: Main Shaft and Canopy Mounts

Installing the main shaft and canopy mounting posts.

Step F4: Landing Gear Attachment

Attaching the landing gear to the frame.

Frame Assembly Continuation

Step F5: Main Rotor Hub and Hub Assembly

Installing the main rotor hub and one-way sleeve.

Step F6: Pinion Gear Mounting

Mounting the pinion gear onto the motor shaft.

Tail Assembly (T)

Step T1: Tail Boom Case and Bearing Assembly

Assembling the tail boom case and bearings.

Step T2: Tail Boom Case Securing

Securing the tail boom case with screws.

Tail Assembly Continuation

Step T3: Tail Rotor Drive Gear Installation

Installing the tail rotor drive gears and components.

Step T4: Tail Rotor Pitch Linkage Assembly

Assembling the tail rotor pitch control linkages.

Tail Assembly Continuation

Step T5: Tail Rotor Grip Bolt and Control Ball Installation

Attaching the tail rotor grip bolts and control balls.

Step T6 a: Torque Tube Bearing Installation

Installing torque tube bearings onto the torque tube.

Tail Assembly Continuation

Step T6 b: Tail Pushrod Guide Installation

Installing tail rotor pushrod guides.

Electronics Installation (E)

Flybarless Control Unit and Receiver Mounting

Mounting the AR7200BX unit and receiver.

AR7200 BX Alignment and Connections

Unit orientation, servo/ESC wiring, and receiver connection.

Electronics Installation Continuation

AR7200 BX and ESC Arming Procedure

Sequence for arming the AR7200BX and ESC before flight.

Speed Controller and BEC Wiring

Connecting the speed controller and BEC.

Flight Battery Securing

Securing the flight battery using hook and loop straps.

Installation Procedures

Servo Arms and Linkages

Installing servo arms and connecting them to control linkages.

Main Rotor Blade Mounting

Attaching the main rotor blades to the head assembly.

Transmitter Setup and Operation

Transmitter Programming Values

Specific settings for DX6i, DX7, DX7se, DX7s, DX8, DX18 models.

Throttle Hold Function Explained

Explanation of the throttle hold switch function and safety.

AR7200 BX Configuration and Testing

AR7200 BX Setup and Parameter Menus

Details of AR7200BX setup parameters and menu adjustments.

Motor Direction Test Procedure

Steps to verify correct motor rotation direction.

Control System Tests

Swashplate Neutral Position Check

Visual guide for setting the swashplate to neutral.

Collective Pitch Control Demonstration

Demonstrates positive and negative collective pitch movements.

Control System Tests Continuation

Elevator Control Input Verification

Shows forward and backward elevator movements.

Aileron Control Input Verification

Shows left and right aileron movements.

Flight Operations and Safety Guidelines

LVC, Battery Care, and General Warnings

Explains LVC, battery care, and essential flight safety practices.

Takeoff, Landing, and Flying Procedures

Guidance on takeoff, landing, flying modes, and blade usage.

Performance Tuning and Maintenance

Blade Tracking and Gyro Gain Adjustment

Procedures for checking blade tracking and adjusting rudder gyro gain.

Post-Flight Checks and AR7200 BX Tuning

Maintenance checklist and fine-tuning AR7200BX based on flight behavior.

Troubleshooting Guide

AR7200 BX Initialization and Binding Issues

Solutions for AR7200BX initialization and binding problems.

Power, Response, and Control Problems

Troubleshooting issues related to power, response, and flight stability.

Warranty Information

Warranty Coverage, Exclusions, and Remedies

Details on warranty terms, exclusions, and available remedies.

Service and Support Information

Obtaining Assistance and Warranty Requirements

How to get technical assistance, service, and warranty claim requirements.

Contact Information for Support

Warranty, Service, and Customer Contacts

Contact details for warranty, service, and customer support by region.

European Union Compliance

EU Conformity Declarations and Disposal

EU conformity statements and WEEE disposal instructions.

Blade 550X Specifications

General

Product Name	Blade 550X
Main Blade Length	550mm
Material	Plastic
Battery	6S 5000mAh 22.2V LiPo
Age Recommendation	14+
Skill Level	Advanced

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76 pages

Blade 550X - User Manual

Table of Contents

Questions and Answers

Summary

General Safety Precautions and Warnings

Meaning of Special Language

Key Safety Precautions

Blade 550 X Specifications

Assembly Preparation and Components

Tools Required for Assembly

Essential Components and Optional Items

Assembly Guide Symbols Explained

Head Assembly (H)

Step H1: Main Rotor Grip Assembly

Step H2: Follower Arm Attachment

Step H3: Spindle and Damper Preparation

Head Assembly Continuation

Step H4: Spindle Bolt and Bearing Assembly

Step H5: Final Head Component Assembly

Frame Assembly (F)

Step F1: Initial Frame Assembly

Step F2: Servo and Frame Component Installation

Frame Assembly Continuation

Step F3: Main Shaft and Canopy Mounts

Step F4: Landing Gear Attachment

Frame Assembly Continuation

Step F5: Main Rotor Hub and Hub Assembly

Step F6: Pinion Gear Mounting

Tail Assembly (T)

Step T1: Tail Boom Case and Bearing Assembly

Step T2: Tail Boom Case Securing

Tail Assembly Continuation

Step T3: Tail Rotor Drive Gear Installation

Step T4: Tail Rotor Pitch Linkage Assembly

Tail Assembly Continuation

Step T5: Tail Rotor Grip Bolt and Control Ball Installation

Step T6 a: Torque Tube Bearing Installation

Tail Assembly Continuation

Step T6 b: Tail Pushrod Guide Installation

Electronics Installation (E)

Flybarless Control Unit and Receiver Mounting

AR7200 BX Alignment and Connections

Electronics Installation Continuation

AR7200 BX and ESC Arming Procedure

Speed Controller and BEC Wiring

Flight Battery Securing

Installation Procedures

Servo Arms and Linkages

Main Rotor Blade Mounting

Transmitter Setup and Operation

Transmitter Programming Values

Throttle Hold Function Explained

AR7200 BX Configuration and Testing

AR7200 BX Setup and Parameter Menus

Motor Direction Test Procedure

Control System Tests

Swashplate Neutral Position Check

Collective Pitch Control Demonstration

Control System Tests Continuation

Elevator Control Input Verification

Aileron Control Input Verification

Flight Operations and Safety Guidelines

LVC, Battery Care, and General Warnings

Takeoff, Landing, and Flying Procedures

Performance Tuning and Maintenance

Blade Tracking and Gyro Gain Adjustment

Post-Flight Checks and AR7200 BX Tuning

Troubleshooting Guide

AR7200 BX Initialization and Binding Issues

Power, Response, and Control Problems

Warranty Information

Warranty Coverage, Exclusions, and Remedies

Service and Support Information

Obtaining Assistance and Warranty Requirements

Contact Information for Support

Warranty, Service, and Customer Contacts

European Union Compliance

EU Conformity Declarations and Disposal

Blade 550X Specifications

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