It would certainly help as would not flying over people to begin with. There is no quick way to shutdown a DJI drone. I think they should add a kill switch or button on the controller to stop the props as fast as possible.
I use an iPad with my P4A. I also use the google maps app which allows me to download the map of the area I intend to fly in before I'm out of the network coverage.
140dF? How can you be so sure? I don't know where DJI located the temperature sensor in the motor. It could be underestimating the temperature of the core of the motor by many tens of degrees. Running hot copper winding cores continuously will reduce motor performance and lifespan. DJI's...
They seem to be burned out? Those connectors are indeed pretty much burned out. It will need to be replaced before you try to fly it again. What does the matching connector in your P4A airframe look like?
Drones are subject to the same physics that manned aircraft are. Get enough ice on them and they stop flying. I'll limit my flying to more favorable conditions.
Lifting off from the case may be causing this. If one side of the drone is over the case and the other is not, you'll end up with some of your props in ground effect and the others not. This will result in uneven lift between the props and flip it over.
Batteries rely on a chemical reaction to produce current. The efficiency of this reaction is sensitive to temperature and efficiency decreases with temperature. Batteries have internal resistance which dissipates power in the form of heat when current flows through it. Keep your batteries...
Do battery side motors have to spin faster to maintain level flight? Newton's third law says yes. The motor under a heavier load will have to work harder to maintain equilibrium between weight and lift than a motor under a lighter load.
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