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- Nov 24, 2016
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I was just trying to fly in a very snowy scene and my Mavic had two very sudden movements that startled me. I recovered but have retired inside to write this thread.
I started in ATTI / Vision mode under my porch cover with very little GPS signal. I then moved it out to get full GPS signal. It seems to me that right when it got full GPS signal, it suddenly and very quickly shot straight back at me. I had to apply quite a bit of forward stick to stop it from hitting me.
I stopped and restarted and tried again. This time it darted 90 degrees to the right - as if full right stick - for 1 second / maybe 10 feet. Pretty startling again.
I brought it back in, turned off all visual and downward systems and went full ATTI. No sudden movements this third attempt but even after acquiring full GPS (14 sats) and it automatically setting the home point, I was still getting a LOT of drift (3 feet a second and elevation changes), so I called it a day.
Has anyone gone from no sat signal to strong signal and experience what I've just had happen? Am I missing something obvious? My Mavic and battery were both warm. Might the temperature differential have caused the misbehavior? I won't try the ATTI to GPS approach again if that is a known trouble spot. I might try letting the Mavic cool down a bit before flying and see if that makes a difference.
I started in ATTI / Vision mode under my porch cover with very little GPS signal. I then moved it out to get full GPS signal. It seems to me that right when it got full GPS signal, it suddenly and very quickly shot straight back at me. I had to apply quite a bit of forward stick to stop it from hitting me.
I stopped and restarted and tried again. This time it darted 90 degrees to the right - as if full right stick - for 1 second / maybe 10 feet. Pretty startling again.
I brought it back in, turned off all visual and downward systems and went full ATTI. No sudden movements this third attempt but even after acquiring full GPS (14 sats) and it automatically setting the home point, I was still getting a LOT of drift (3 feet a second and elevation changes), so I called it a day.
Has anyone gone from no sat signal to strong signal and experience what I've just had happen? Am I missing something obvious? My Mavic and battery were both warm. Might the temperature differential have caused the misbehavior? I won't try the ATTI to GPS approach again if that is a known trouble spot. I might try letting the Mavic cool down a bit before flying and see if that makes a difference.