I am writing to please help me solve the mystery of this cruel accident. On the opening flight of my SABRE UAV in the Autotune process I suddenly lose control of the plane which accelerates brutally and turns to the right. I lose total control of the plane no servo responds and finally crashes.
I flew with a Pixhawk, 4S 4500 800KV Engine 11x6 Pusher. Inmersion R / C long range installed on a Taranys 9XD
Before that the plane flies well for about 4 minutes.
I enclose the Pixhawk log for review and comments.
Thanks in advance.