I would like to share this test flight video of ART25-QFS from ARTCOPTER, a drone & drone component manufacturer based in Korea.
The main purpose of this flight (hovering, actually) was to test/measure the flight time of this quadcopter with T-MOTOR MN5212 KV340.
The total weight (including a TATTU PLUS LiPo battery) was 6.4kg, which was a little bit heavier than we aimed, and the weather was windy, so I didn’t expect too much from this trial. But it made 40 minutes of quite stable hovering! (we expected 30-35 minutes at most)
We are planning on testing other motors as well, and studying how the max flight time would change by reducing the total weight of the same frame.