The ArduCopter that I’m building well be put to use in Aerial Photography, more specific a lotof high altitude mountain shots and videos ( at less that’s my plan ) .
I want to know if there well be any problems with the IMU and MEGA functionality in temperaturesfrom 0 to -25 , the humidity in the air, snow, or altitudes from 1.500 to 2.500m.
I know the wind well be a very important element, but I we’ll try to fly just in SunnyWinter Days .
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Then control that via the APM with some extra code ;)
I hope I can get it all together until this winter and make some kick ass vids and pics .
Jani I think that box could be a good solution, the main body would be a closed and inside would be the box with the electronics and Lipo packs , something similar to double walls to prevent condensation form the insight hot temperature to the freezing cold outside , if condensation wood appear it well form in the interior of the 1st wall ( the body ) not inside the electronics box ( in theory ) .
And if it crashes , the good part is that the snow would make a good “airbag” :) .
I haven't looked at all the individual component spec sheets so I can't say with certainty, but you will probably be fine.
Altitude will not be a problem at all. I live at 1500 meters and fly here all the time. I would certainly expect no issues from the electronics at 3000 meters or even 5000 meters. Your airframe may have difficulty at very high altitudes due to loss of lift with low air density though. With an electric power system you can generally compensate well with higher kv motors or larger props.
Humidity will generally never be a problem as long as it is non-condensing. If you expect your electronics to get wet, then you need to find a method to protect them.
Temperature could be a problem, but probably not. Change in temperature is generally a bigger concern. As a quick test you could stick APM in your freezer. Let it get cold soaked, then hook up a usb cable and see how it is operating in there.