I have fitted a pixhawk that was provious on a plane and loaded it with the latest copter firmware. i am finding that the pixhawk is rebooting itself everytime it gets to 50% throttle. is there anyone who can assist
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Sounds like junk getting from the power supply to the PixHawk, but without seeing the details of the system, it is impossible to say anything definite. Look for ground loops , make sure that pixhawk is only connected to ground at one point ( e.g use Opto ESC's etc)
Hi Andy
I am flying with U7 490KV T-Motors fitted with 20x5.5inch props. On Monday when i did the first flight i took off in STABILIZE mode and when i switch to ALT HOLD the motors stopped and sounded like Pixhawk was rebooting. Tuesday we placed the HEX on a test bench with the props and when i open the throttle and pass 50% the motors stop and Pixhawk resets again. i checked the 30V power module as i am flying with 22000mAh, 22,2V 6S battery and found that the solder on the positve wire coming from the battery was loose. this i fixed.
Today i did the same test and again the motors stopped. fitted 18x6 props and not stoppage beyond 50%. only have a tilt issue now
Sounds like a brownout, where the power supply to the pixhawk dips and causes a reset. More details about the hardware such as photo and a wiring diagram of the system might help including where the pixhawk gets its power, if you can do a sketch.