Your Flight Log Viewer is absolutely amazing! Great job. I noticed at the 1-minute and 4.3-second mark that the “propeller fell off”, which must have been when it experienced a catastrophic break. It seems like there might have been a stress fracture or an imperceptible crack in the propeller...
Yes, I noticed this as well. This "dent" was not present prior to flight so I would assume the broken piece of the other propeller made contact with the propeller in this photo.
Thanks for the reply. I agree with your assessment. Regarding the prop hubs, they all checked out and appeared to be in good condition. I have attached photos of the other three props used in this flight. All props looked this way prior to the flight.
When the drone came crashing down, all the propellers were still attached to the drone. We have not been able to find/recover other half of the broken propeller. Though the drone was only 10-15 feet above the ground, we have not been able to find the missing piece.
The drone did not collide with anything however when the incident occurred, it “sounded like” a collision of the propeller making contact with the drone itself or the sound made when a drone is flown up into a tree branch. The drone was out in the open though. My daughters and I watched in...