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Yesterday, when I was flying my ducted fan at an outdoor airfield, I had a crash. After restarting, I found that one of the motors was not running smoothly and had a noticeable resistance and foreign object feeling when turned by hand. Therefore, today, I removed the motor and disassembled it to inspect the specific damage. First, I had to remove the...

Hyundai Motor Group exhibited a hydrogen fuel cell multi-rotor drone called "Project N" at the 2022 Advanced Air Mobility (AAM) Technology Day held at Hyundai Motor Studio in Goyang, northwest of Seoul. At the conference, Hyundai also said it had successfully flown a hydrogen fuel cell fixed-wing drone with a 6-meter wingspan and a maximum takeoff weight of 700 kg last year....

The FPV ESC (Electronic Speed Controller) refers to the receiver of the remote control, which processes the direction and angle signals from the transmitter as current signals and inputs them to the ESC. The ESC provides power to the motor and indirectly controls the motor speed by changing the motor current. The ESC also provides power to the servos and controls the...

In aerial drone photography, the storage card (SD card) is especially important. It can be frustrating after hours of hard work, only to find out that the recorded video or photo data cannot be read from the card. The feeling can be imagined. Not all SD cards can be used on drones, especially DJI drones. Therefore, when selecting a storage card (SD...

Faults are everywhere, and any drone may have minor or unforeseeable problems. When these problems occur, it depends on how you handle them to avoid more losses. Here are some common minor faults, including problems that may occur with DIY drones: Outdoor GPS hovering is not stable. There are two main reasons for this. One is weak GPS signal, which can hold...

Drone battery knowledge is divided into several main aspects, one is the battery type, one is the battery parameters, and another is the battery out of the interface; understanding these basics will allow you to quickly choose the right battery. Drone battery with intelligent protection board1, drone battery wire plug introductionDrone battery wire and plug has a variety of specifications models, mainly...