"I am having a similar issue with the both my Quad and Hex (APM2.5 with latest firmware)
As soon as I apply any Yaw it will lose altitude.
Did you fix the issue? If so How?
Sonar only works with Alt Hold and loiter as far as I know.. (I have sonar…"
"I can definitely see concrete and glass panels being lifted and guided into place using drones.
For their size they can potentially lift a fair amount of weight..
You would have to ask is it cost effective and practical?
But with the arrival of the…"