voltage monitor

I don't know about other flight controllers, but my APM 2.6 controller/autopilot has a failsafe feature that permits the autopilot to take immediate action when the battery voltage or current drops below a certain threshold that you can set. The action can be to land immediately or return to the...

I recently suffered a crash Aug 8 - suspect a defective prop separation that caused my Elev-8 to pitch over and crash: I just completed the repairs - had to replace the two front booms (those with the red mylar) and their motors, the GPS mast, and all screws that attach the booms to the...