Speed (max) setting
Can you clarify what this is actually setting? If I run a mapping plan with 2 sec captures and the overlaps are, say 80/75, will this setting have any effect on the mission speed or is it just the max speed in getting to the first waypoint?
Also, if I have it below the wind speed, will this prevent the drone from holding position? (as seemed to be the case today when the wind was well within limits but the drone was losing position downwind)
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Speed (max) is the maximum speed that the map component can capture the data during mapping. The algorithm may choose a slower speed depending on the requested overlap and minimum time interval. If you want to see what speed the algorithm selects, you can just run a mission preview.
As for the wind, as the drone goes faster, it has less of its performance envelope for wind correction. If Dronelink is having trouble maintaining position, you should slow it down.
Thanks Jim. I was having trouble maintaining position right from the initial ascent on the mission (i.e. before the 'approach' point had been reached). The aircraft was definitely within technical envelope though, as I'd flown it manually to check. Do you think a drop in configured speed would help that or is Dronelink somehow not able to access full aircraft power through the SDK?
Slowing things down always results in better behavior. The DJI SDK does not allow SDK apps full control over the aircraft. It doesn't even let SDK apps operate in Sport mode.
Another benefit of flying slower is the better quality of images. This is especially true if your drone camera has a "rolling shutter" instead of a "global" or physical iris-type shutter, and you are doing your mapping flights at a relatively low altitude to get finer detail. In the extreme, with a rolling shutter, you would stop the drone before each photo and then proceed to the next imaging point.
I don't recall that DroneLink has a built-in ability to stop before each photo, and if you did do that I suspect you would greatly increase battery usage for a given mapping mission.
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