Funny thing is when I land it resets to 0 but after flying around for 15 minutes, it goes wacky.

DjPro2 Posted at 2016-11-1 04:16
Funny thing is when I land it resets to 0 but after flying around for 15 minutes, it goes wacky.

Recalibrate the IMU on a level surface, that usually fixes that sort of problem.

I did that originally.  How level? Anal level or a flat surface like my desk?

DjPro2 Posted at 2016-11-1 05:01
I did that originally.  How level? Anal level or a flat surface like my desk?

Flat is not level

DjPro2 Posted at 2016-10-31 17:01
I did that originally.  How level? Anal level or a flat surface like my desk?

Anal Level?  I never thought of trying to level the drone there...  heh heh heh

Mabou2 Posted at 2016-10-31 21:36
Anal Level?  I never thought of trying to level the drone there...  heh heh heh

Yes you lie down belly side down, align the p4 onto either butt cheek gimbal directly pointing towards anal, and initiate IMU, job complete happy droan-ing

not sure the fog could cause the -60 ft, but flying in fog that thick would be like flying in a rain storm. not good for DJi drones to get wet !

One thing about the image and fog, when I fly in that dark of an area, say 30 min. prior to sunrise or after sunset, the obstacle avoidance and VPS acts very odd.  I think the darkness confuses the cameras on the front and maybe bottom and I get "false walls" that it tries to avoid.  I'll get beeps from the RC, then the yellow and red semi-circles of an approaching invisible wall saying 10 feet, then 2 feet, and then thing throws on the brakes.  It might also sink a foot or two when it stops.  I can again proceed forward, but it hits the wall again and drops another foot.  From the side it looks like it is going down some stairs.  Fog and darkness must confuse the thing.  Beeps from the RC are unsettling.

I don't know what the minimum light level is, but I thought I read 8 lux someplace in specs for the obstacle avoidance cameras.  Don't know if fog condensing on the two cameras would exacerbate the matter.

I'll also wager your level surface for IMU calibration isn't quite level.  A quarter of a bubble will throw it off maybe 50 feet at the end of a mile flight, ime.  My short level didn't compare so well against the longer one.  Some use a 12" square sheet of glass on top of the motors and level on the top.  I haven't tried that technique yet.

#6 and #7 lmao

I'd stay away from the fog indeed.