1. הקדמה
This manual provides detailed instructions for the installation, setup, operation, and maintenance of your HGLRC Forward F765 Flight Stack. This advanced flight stack integrates a dual-gyro F7 flight controller and a BLHeli_32 65A 4-in-1 Electronic Speed Controller (ESC), designed for high-performance FPV racing drones. Please read this manual thoroughly before use to ensure proper functionality and safety.
2. פּראָדוקט איבערview
The HGLRC Forward F765 Flight Stack is engineered for optimal performance and reliability in FPV applications. It features a robust design with advanced components to provide precise control and efficient power delivery.

פיגורע 2.1: HGLRC Forward F765 Flight Stack showing overall dimensions (46mm x 45mm x 25mm).
2.1 Flight Controller (FC) Features
- CPU: STM32F745VGT6
- MPU: Dual gyros, ICM20608 (32K) & MPU6000-SPI, for enhanced flight stability.
- אַרייַנשרייַב וואָלtage: 3-6S Lipo.
- Multiple UART ports for extensive peripheral connectivity.

פיגורע 2.2: נאָענט-אַרויף view of the Flight Controller (top) highlighting the ICM20608, MPU6000, and STM32F745, and the ESC (bottom) with its STM32L431 CPU.
2.2 Electronic Speed Controller (ESC) Features
- CPU: STM32L431, 32-bit high-performance processor.
- פירמוואַרע: BLHeli_32.
- אַרייַנשרייַב וואָלtage: 3-6S Lipo.
- Steady Current: קסנומקסאַ.
- שפּיץ קראַנט: קסנומקסאַ.
- Integrated CNC multi-function heat sink for efficient heat dissipation and overcurrent protection.
- Supports DSHOT1200/600/300/150, Oneshot125/42, MultiShot protocols.

פיגורע 2.3: איבערview of the FD765 Stack, indicating the STM32F745VGT6 CPU on the FC and the L431 BLHeli_32 65A ESC with a 75A peak current.
2.3 יננאָוואַטיווע פּלאַן
The stack incorporates an innovative soft mounting design to isolate the gyroscopes from frame vibrations, ensuring a stable and accurate operating environment for precise flight control.

פיגורע 2.4: Illustration of the innovative soft design, showing the flight stack and the included rubber grommets for vibration isolation.
3. ספּעסאַפאַקיישאַנז
| קאָמפּאָנענט | שטריך | דעטאַל |
|---|---|---|
| Flight Controller (FD F7) | קפּו | STM32F745VGT6 |
| MPU | ICM20608 (32K) & MPU6000-SPI (Dual Gyro) | |
| אַרייַנשרייַב וואָלtage | 3-6S ליפּאָ | |
| UART פּאָרץ | 5 | |
| דימענשאַנז | 46mm x 45mm x 25mm (Stack Height) | |
| Electronic Speed Controller (FD 65A 4in1 ESC) | קפּו | STM32L431 (48MHz) |
| פירמוואַרע | BLHeli_32 | |
| אַרייַנשרייַב וואָלtage | 3-6S ליפּאָ | |
| פעסט קראַנט | 65 א | |
| שפּיץ קראַנט | 75 א | |
| BEC | ניין | |
| קראַנט סענסאָר | געשטיצט | |
| TLM | געשטיצט | |
| דימענשאַנז | 46 מם X 45 מם X 6 מם | |
| שטיצט פּראָטאָקאָלס | DSHOT1200/600/300/150, Oneshot125/42, MultiShot, Dampעד מאָדע | |
| Total Stack Weight | 41.7ג | |
| פאַבריקאַנט רעקאַמענדיד עלטער | 14 יאר און העכער | |

פיגורע 3.1: Visual representation of the Flight Controller and ESC specifications.
4. פּעקל אינהאַלט
באַשטעטיקט אַז אַלע זאכן וואָס זענען אויסגערעכנט אונטן זענען פאַראַן אין אייער פּעקל:
- 1x HGLRC Forward F765 Flight Controller
- 1x HGLRC Forward 65A 4-in-1 BLHeli_32 ESC
- 1x Connection Cable for FC to ESC
- 1x XT60 Connector
- 1x Electrolytic Capacitor (1000uF 35V)
- 4x M3 סקרוז
- 4x M3 ניסלעך
- 8x Rubber Grommets (for soft mounting)
- Assorted signal and power wires

פיגורע 4.1: All components included in the HGLRC Forward F765 Flight Stack package.
5. Setup & Wiring
Careful attention to wiring is crucial for the proper and safe operation of your flight stack. Refer to the diagrams below for correct connections.
5.1 ESC Wiring Diagram
Connect your motors and battery to the ESC as shown. Ensure correct polarity for the battery connection. The included capacitor should be soldered to the main battery pads (BAT+ and BAT-) on the ESC to filter power noise.
ווידעא 5.1: Official video demonstrating the HGLRC BLHeli_32 65A 4-in-1 ESC. This video provides a visual overview of the ESC and its wiring connections for motors and battery.
5.2 Flight Controller Connections
The F765 Flight Controller supports various peripherals. Connect your camera, VTX (Video Transmitter), RC Receiver, GPS, and Buzzer according to the diagram. Pay close attention to the correct UARTs and power pins.
ווידעא 5.2: אפיציעלע ווידעא שאוasing the HGLRC Forward F765 FC Flight Stack. This video provides a visual guide to the stack's components and a detailed FC wiring diagram for peripherals like camera, VTX, and receiver.
5.3 Mounting the Stack
Mount the flight stack onto your drone frame using the provided screws, nuts, and rubber grommets. The soft mounting grommets are essential for reducing vibrations transmitted to the flight controller's gyroscopes, improving flight performance.

פיגורע 5.3: The HGLRC Forward F765 Flight Stack correctly installed on a quadcopter frame.
6. אַפּערייטינג ינסטרוקטיאָנס
After completing the physical installation and wiring, proceed with the software configuration and initial flight checks.
6.1 פירמווער פלאַשינג און קאָנפיגוראַציע
- פאַרבינדן צו פּיסי: Use a USB cable to connect the flight controller to your computer.
- ינסטאַלירן דריווערס: Ensure necessary drivers (e.g., STM32 Virtual COM Port Driver, Zadig for DFU mode) are installed.
- פלי קאָנטראָללער פירמווער: Open Betaflight Configurator (or your preferred flight control software). Select the correct target for the F765 FC (e.g., HGLRCF765) and flash the latest stable firmware.
- ESC פירמווער: Use BLHeliSuite32 to update and configure the ESCs. Ensure all ESCs are running the same firmware version.
- ערשט קאַנפיגיעריישאַן: Follow the standard Betaflight setup wizard for sensor calibration, motor direction, receiver setup, and mode assignments.
6.2 קאָנטראָלן פֿאַרן פֿלוג
- באַשטעטיקן אַז אַלע פֿאַרבינדונגען זענען זיכער און ריכטיק אָריענטירט.
- Check motor spin direction in Betaflight Motors tab (with propellers removed).
- Confirm receiver inputs respond correctly in Betaflight Receiver tab.
- פאַרזיכערן באַטאַרייע וואָלtage and current sensor readings are accurate.
- Perform a range check with your radio system.
7. וישאַלט
Regular maintenance helps ensure the longevity and reliable performance of your HGLRC Forward F765 Flight Stack.
- וויסואַל דורכקוק: Periodically inspect the boards for any signs of damage, loose connections, or burnt components.
- רייניקונג: Keep the flight stack free from dust, dirt, and moisture. Use compressed air or a soft brush for cleaning. Avoid using liquids directly on the electronics.
- Firmware דערהייַנטיקונגען: Regularly check for and apply the latest firmware updates for both the FC (Betaflight) and ESCs (BLHeliSuite32) to benefit from performance improvements and bug fixes.
- Soft Mounts: Inspect the rubber grommets for wear or damage. Replace them if they appear compressed or torn to maintain vibration isolation.
8. טראָובלעשאָאָטינג
This section addresses common issues you might encounter with your flight stack.
8.1 פּראָסט ישוז און סאַלושאַנז
- קיין מאַכט:
- Check battery connection polarity.
- Inspect main power leads for breaks or poor solder joints.
- Verify the XT60 connector is properly seated.
- Motors Not Spinning / ESC Protocol Unknown:
- Ensure the FC-to-ESC cable is correctly connected and not damaged.
- Verify motor signal wires are connected to the correct pads (M1-M4).
- Confirm ESC firmware is updated and configured correctly in BLHeliSuite32.
- Check Betaflight motor output settings and ESC protocol selection.
- Unstable Flight / Excessive Vibrations:
- Ensure soft mounting grommets are correctly installed and not damaged.
- Check for loose propellers or damaged motor bearings.
- Recalibrate accelerometers and gyroscopes in Betaflight.
- Adjust PID tuning if necessary.
- קיין ווידעא סיגנאַל:
- Verify VTX and camera connections to the FC.
- Check VTX power and ground connections.
- Ensure VTX is powered on and set to the correct frequency/channel.
- FC Not Connecting to Betaflight:
- Ensure USB cable is functional and connected securely.
- Install necessary USB drivers (STM32 Virtual COM Port Driver).
- If in DFU mode, use Zadig to install the correct driver.
- פּרוּווט אַ אַנדערש וסב פּאָרט אָדער קאַבלע.
For more detailed troubleshooting, refer to online resources and community forums for Betaflight and BLHeli_32.
9. וואָראַנטי & שטיצן
HGLRC products are designed for performance and reliability. For warranty information and technical support, please refer to the official HGLRC webזייטל אדער קאנטאקט זייער קאסטומער סערוויס גלייך.
- באַאַמטער Webפּלאַץ: באַזוכן די HGLRC Official Webפּלאַץ for product updates, FAQs, and contact information.
- קונה סערוויס: For specific issues or warranty claims, contact HGLRC customer support through their webפּלאַץ.
- קאמיוניטי פארומס: Engage with the FPV community on forums and social media for peer support and shared knowledge.
Note: Damage caused by improper installation, misuse, or unauthorized modifications is not covered under warranty.





