FrSky MC11 X20S Gimbal All-CNC Metal Hall Sensor Gimbals 45° Travel Limiter Kit
User Manual
1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of the FrSky MC11 All-CNC Metal Hall Sensor Gimbals with 45° Travel Limiter Kit. This precision flight control hardware is designed as an upgrade or replacement for FrSky TANDEM X20 and X20S radio transmitters, offering enhanced durability, accuracy, and customization for an optimized control experience.
2. Product Overview
The FrSky MC11 Gimbals are engineered with high-quality materials and advanced technology to deliver superior performance. Key features include:
- All-CNC Metal Construction: Ensures exceptional durability and a premium feel.
- Hall Sensor Technology: Provides high precision, long-lasting accuracy, and eliminates wear associated with traditional potentiometers.
- 45° Travel Limiter: Allows for adjustable stick travel, catering to different flying styles and preferences.
- Compatibility: Specifically designed for FrSky TANDEM X20 and X20S transmitters.
3. Setup and Installation
Important: Installation of these gimbals requires opening your radio transmitter. Proceed with caution and ensure you are comfortable with electronic component handling. If unsure, seek assistance from an experienced technician.
- Power Off Transmitter: Ensure your FrSky TANDEM X20/X20S transmitter is completely powered off and disconnected from any power sources.
- Open Transmitter Casing: Carefully open the back casing of your transmitter according to its specific service manual or instructions. Note the location of all screws and connectors.
- Disconnect Existing Gimbals: Gently disconnect the wiring harnesses from the existing gimbals. Take photos if necessary to remember the wiring orientation.
- Remove Existing Gimbals: Unscrew and remove the old gimbals from the transmitter chassis.
- Install MC11 Gimbals: Position the new FrSky MC11 Gimbals into the designated slots. Ensure they are correctly oriented.
- Secure Gimbals: Fasten the MC11 Gimbals using the provided screws or the original screws if compatible. Do not overtighten.
- Connect Wiring: Carefully connect the wiring harnesses from the transmitter to the new MC11 Gimbals. Ensure all connections are secure and correctly seated. Refer to the wiring diagram (if available in your transmitter's manual) or your reference photos.
- Adjust Travel Limiter (Optional): The 45° travel limiter can be adjusted to customize stick throw. This typically involves adjusting small screws or levers on the gimbal mechanism. Refer to Figure 3.1 for a visual reference of the internal mechanism.
- Close Transmitter Casing: Once all connections are secure and gimbals are mounted, carefully close the transmitter casing, ensuring no wires are pinched.
- Initial Power-On and Calibration: Power on your transmitter. Navigate to the gimbal calibration menu in your transmitter's firmware. Follow the on-screen instructions to calibrate the new gimbals for optimal performance.
4. Operating Instructions
Once installed and calibrated, the FrSky MC11 Gimbals function as the primary control interface for your TANDEM X20/X20S transmitter. Their Hall Sensor technology ensures smooth, precise, and consistent control inputs, crucial for accurate flight maneuvers.
- Smooth Movement: Experience fluid and consistent stick movement across the entire range.
- Precision Control: The Hall sensors provide highly accurate positional data, translating to precise control of your RC model.
- Customizable Feel: Utilize the adjustable stick tension and the 45° travel limiter to fine-tune the gimbal's response to your personal preference.
Refer to your FrSky TANDEM X20/X20S transmitter's user manual for detailed instructions on configuring stick modes, curves, and other advanced settings that utilize the gimbal inputs.
5. Maintenance
The FrSky MC11 Gimbals are designed for durability and minimal maintenance. However, following these guidelines will help ensure their longevity and optimal performance:
- Keep Clean: Periodically clean the exterior of the gimbals with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Avoid Moisture: Protect the gimbals and your transmitter from moisture, dust, and extreme temperatures.
- Inspect for Wear: Although Hall sensors are wear-free, periodically check the mechanical components for any signs of damage or loose screws.
- No Lubrication Needed: Due to the Hall sensor design, no internal lubrication is typically required for the sensor mechanism itself.
6. Troubleshooting
If you encounter issues with your FrSky MC11 Gimbals, consider the following troubleshooting steps:
- Unresponsive Stick:
- Check all wiring connections to ensure they are secure and correctly seated.
- Verify that the gimbal is properly installed and not obstructed.
- Attempt recalibration through your transmitter's system menu.
- Inaccurate or Jittery Movement:
- Recalibrate the gimbals in your transmitter's settings.
- Ensure no physical debris is interfering with the stick mechanism.
- Check for any loose mounting screws.
- Stiff or Loose Stick Feel:
- Adjust the stick tension screws on the gimbal mechanism to your desired feel.
If problems persist after attempting these steps, contact FrSky customer support or your retailer for further assistance.
7. Specifications
| Attribute | Detail |
|---|---|
| Brand Name | FrSky |
| Model | MC11 X20S Gimbal |
| Material | All-CNC Metal (main structure), Composite Material (other components) |
| Sensor Type | Hall Sensor |
| Travel Limiter | 45° Adjustable |
| Compatibility | FrSky TANDEM X20/X20S Transmitters |
| Recommended Age | 14+ years |
| Use | Vehicles & Remote Control Toys (Transmitter Component) |
| Power Source | Powered by host transmitter (No internal battery for gimbal) |
| Package Dimensions (approx.) | 15 cm (Length) x 12 cm (Width) x 4 cm (Height) |
| Package Weight (approx.) | 0.2 kg |
8. Warranty and Support
For warranty claims, technical support, or service inquiries, please contact FrSky Official Store or your authorized FrSky dealer. Keep your proof of purchase for warranty validation.
For the most up-to-date information, firmware updates, and additional resources, visit the official FrSky website.
9. User Tips
- Gentle Handling: While robust, avoid excessive force or sudden impacts to the gimbals to maintain their precision.
- Regular Calibration: Perform gimbal calibration periodically, especially after firmware updates or if you notice any inconsistencies in control.
- Customization: Experiment with different stick tension and travel limiter settings to find the configuration that best suits your flying style and comfort.
- Firmware Updates: Ensure your TANDEM X20/X20S transmitter's firmware is up-to-date, as updates often include improvements for gimbal performance and calibration.





