SpeedCore
lvl.1
Flight distance : 40604 ft
Austria
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Hey there,
first things first: I crashed my Spark. I was flying around the top of a church, when the connection was lost twice. It recovered from the first connection loss, but initiated RTH the second time when it was just halfway around the church. The RTH altitude was set to 40m but unfortunately, the church was 40,5m... Not a problem, as we have VPS. At this point the Spark was just 54m out, so VPS should have been enabled, as "if it is farther than 100 meters away then the aircraft will return home at a speed of 10m/s and it can’t avoid obstacles." (DJI.com). Despite activated VPS and not being in sport mode, it hit the top of the church and dropped 40m onto the grass besides the church. Fortunately, no one was hurt and nothing was damaged. The spark had one propeller ripped off and one torn, but nothing else was broken. It didn't even have scratches on the body! Lucky me!<br><br>
So my question is: How sensitive is the VPS? Can it detect narrow obstacles aswell? As you can see in the attached video of the crash, the stick where the star is sitting on is quite narrow so maybe the VPS didn't recognize it. In my opinion, it should have recognized at least the star at the very top and that's where it hit. What do you think? Why didn't the Spark avoid the collision?
Video of the crash: (Password: sparkpilots)
Flight log here: http://www.phantomhelp.com/logviewer/SI0ZOB8LNTTPN0SB8QH3/
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