Product overview
The HAKRC EF60 65A Stack pairs the HAKRC 4551 flight controller with the HAKRC EF60 65A ESC for flight control and electronic speed control. Its physical integration requirements differ between boards: the controller measures 36*36mm with 30.5mm-30.5mm mounting-hole spacing, while the ESC measures 64mm*46mm. Their respective net weights are 8.5g and 27.5g. The electronics use a six-layer PCB with 3oZ thickened copper, 40V MOS devices, an industrial-grade LDO and Japan Murata capacitors.
The controller combines an STM32F405RGT6 CPU, ICM42688 IMU, AT7456E OSD, integrated barometer and 16M black box. Six serial ports and 5V/4A and 12V/3A BEC outputs provide integration resources, alongside the listed receiver options and HAKRC F405V2 firmware. Power selection must account for the separate input ranges: 2S-8S Lipo for the controller and 2-6S for the ESC. The ESC specifies 65A continuous and 70A maximum current, E_X_40 - Rev. 16.7 adjustment software, and PWM, Oneshot125, Oneshot42, Multishot and Dshot150/300/600 drive signals.
Specifications
| Specification | Value & conditions |
|---|---|
| Brand | HAKRC |
| Model | HAKRC EF60 65A Stack |
| Stack components | HAKRC 4551 Flight Controller |
| ESC component | HAKRC EF60 65A ESC |
| PCB construction | 6-layer PCB with 3oZ thickened copper |
| MOS voltage rating | 40V |
| LDO | Industrial-grade LDO with high temperature resistance |
| Capacitors | Japan Murata capacitors |
| Flight controller size | 36*36mm (30.5mm-30.5mm installation hole distance)HAKRC 4551 flight controller. |
| Packaging size | 64*64*35mmHAKRC 4551 flight controller specification. |
| Input voltage | 2S-8S LipoHAKRC 4551 flight controller. |
| Net weight | 8.5gHAKRC 4551 flight controller. |
| Packaging weight | 45gHAKRC 4551 flight controller specification. |
| CPU | STM32F405RGT6HAKRC 4551 flight controller. |
| IMU | ICM42688HAKRC 4551 flight controller. |
| OSD | AT7456EHAKRC 4551 flight controller. |
| Barometer | IntegratedHAKRC 4551 flight controller. |
| Black box | 16MHAKRC 4551 flight controller. |
| BEC | 5V/4AHAKRC 4551 flight controller. |
| BEC | 12V/3AHAKRC 4551 flight controller. |
| Serial ports | 6HAKRC 4551 flight controller. |
| Firmware version | HAKRC F405V2HAKRC 4551 flight controller. |
| Receiver | Frsky/ Futaba/ Flysky/ TBS Crossfire/ DSMX: DSM2 receiverHAKRC 4551 flight controller. |
| EDS size | 64mm*46mmHAKRC EF60 65A ESC. |
| EDS net weight | 27.5gHAKRC EF60 65A ESC. |
| Continuous current | 65AHAKRC EF60 65A ESC. |
| Maximum current | 70AHAKRC EF60 65A ESC. |
| Input voltage | 2-6SHAKRC EF60 65A ESC. |
| Parameter adjustment software | E_X_40 - Rev. 16.7HAKRC EF60 65A ESC. |
| Drive signal support | PWM, Oneshot125,Oneshot42, Multishot, Dshot150,Dshot300, Dshot600HAKRC EF60 65A ESC. |
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