ThomasLydhig
lvl.2
Flight distance : 500597 ft
Sweden
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I must admit, that I got a little confused by the tone after submitting my problem in this forum. I hade to read what I wrote several times to understand what I did to get this tone. My conclusion was I critizised SPARK. That’s what I think made to many say ”100% pilot error”.
I like to test new technology and very often do. And therefore I also know that new technology almost come with flaws and unexpected behavior. I AM SUPERIMPRESSED BY ALL TECHNOLOGY THAT ARE BUILT IN IN ONE OF THE CHEAPEST DJI DRONES!
I have read about DJI Spark safetyfeatures and how the RTH could save your AC. I understand problems with RTH due to obstacls what could be in the way and make RTH unimpossible...
But I couldn’t in my wildest dreams think of situations there GPS will stop working in a middle of a flight. I started to use GPS 1996, when it was 100m error filter on all time and batteries was drained in zero time. The last 10 years I use GPS for sailing and car navigation. During this years I have not lost gps signals one second during use, on Garmin, Tomtom and Appledevices. GPS is a proven stable technology today. Spark uses 2 different gps system at the same time. It must even been better!
From start, 4 weeks ago, I have problems with lost videolink and controllink even at distance of 30m, out in countryside. Therefore I thought I make test on a big open field there it’s easy to spot the Spark safe if it craches, and no obstacles for RTH and even possible find it in low green grass. When I made the testrun, just 200m, away I first lost contact, and after some seconds I got the message RTH, I tried csncel, but the AC flew away, in wrong direction, at high speed, I tried to press pause on RC to cancel, instead the AC started fly in a new direction, also wrong. At the same time I got a flow of error messages about gps, compass etc. My only thought was to get it as close to me again.
Probably I made many wrong decistions. But Spark is a beginnersdrone. It has many safetyfeatures builtin. It thould make me safe. But after this incident I feel scared to use it. My major purpose for it is using during sailing on the ocean. But one little GPS drop and the drone is in deep ocean.
So key issue, what is wrong (except for the pilot ;-)
1. Hardware? Wifi could be overloaded, but GPS can’t be overused.
2. Firmware problems?
3. DJI GO 4 problem?
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