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How to use that little Compass....
1125 36 2018-4-18
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JJBspark
Captain
Flight distance : 1041288 ft
Netherlands
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Hi all,

Just a short video how to use that compass thing bottem left GoApp.
cheers
JJB



2018-4-18
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dj_dread
Captain
Flight distance : 512464 ft
Romania
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good explanation!
thanks for sharing!
2018-4-18
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JJBspark
Captain
Flight distance : 1041288 ft
Netherlands
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My pleasure, hope that 'newbies' can learn from it.

I see too many drone flyers who start their flights with ; overwater flights, under bridges flying, between high bulidings etc etc.
IMO the first need is to learn how the drone is working, all the modes, warnings on the screen (what do they mean and how do i react on that) etc etc.
Test the RTH procedure closeby and far away, low batt RTH (what does it do ?, oops, my RTH height setting is high and i fly under trees..)

Cheers
JJB
2018-4-19
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Montfrooij
Captain
Flight distance : 1139643 ft
Netherlands
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Nice to see!
2018-4-19
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Flighty
Captain
Flight distance : 1910692 ft
Croatia
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Very good,, I always refer to the Compass and Red arrow when I momentarily lose sight of the Drone. Great help ,,
2018-4-20
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tomkrist
lvl.4
Flight distance : 276399 ft
Norway
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I tryed to get that compass but where do i get it from? I have the map viewer there at the moment,not the compass.
2018-4-20
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A CW
Captain
Flight distance : 8832591 ft
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United Kingdom
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Great info to share!
2018-4-20
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djiuser_RojfSW97etD9
Second Officer
Flight distance : 24252 ft
Australia
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tomkrist Posted at 2018-4-20 00:23
I tryed to get that compass but where do i get it from? I have the map viewer there at the moment,not the compass.

Touch the icon, top right of the small map/camera window.





2018-4-20
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Duncdude
lvl.3
Flight distance : 18486 ft
United Kingdom
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Great little tutorial. Very useful to us newbies. My Go4 app is set to the map by default so its handy to know how to toggle between the two options too.
2018-4-20
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DJI Diana
Administrator
Flight distance : 2408 ft

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Great info, it's helpful, thanks for sharing the video with us!
2018-4-20
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DJI Diana
Administrator
Flight distance : 2408 ft

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djiuser_RojfSW97etD9 Posted at 2018-4-20 02:56
Touch the icon, top right of the small map/camera window.

[view_image]

Useful information, thanks for sharing.
2018-4-20
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eelco
lvl.2
Flight distance : 1091167 ft
Netherlands
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Perfekt filmpje!! erg handig. Dank
2018-6-30
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BumblerBee
First Officer
Flight distance : 609660 ft
Norway
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That's a good tutorial, JJB. Thank you!
And an excellent scenery as a backdrop for this tutorial

2018-9-3
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Tentoes
Captain
Flight distance : 173889 ft
United States
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Nice explanation. Thanks.

So your first flight should not be downwind over water to see how far it can go?
2018-9-3
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Alex Batalov
Captain
Flight distance : 4621497 ft

Spain
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I do my long flights along the beach line, did one today for 2300 meters
And yes good video JJB, and I always check the compass when I’m flying, to make sure that I’m pointing right at the drone.

Safe flying all.
Alex.
2018-9-3
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13ringinheat
lvl.4
Flight distance : 103586 ft
United States
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Thank you sir for this.....you are a gentleman and a scholar
2018-9-3
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nrrt***********
Second Officer

United States
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thank you
2018-9-3
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Warriewoodlad
First Officer
Flight distance : 495782 ft
Australia
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Good to know!  I had been using it intuitively, but your more rigorous treatment brought home to me the full potential of the compass. Perhaps your next one could be on the map and how to use it to do a manual return to home? Thanks for a very useful video.
2018-9-3
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Ronnie.Choy
Second Officer
Flight distance : 760671 ft
Singapore
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Great job. Informative and easily understood. Thanks.
2018-9-3
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S.J
Captain
Flight distance : 186215 ft
Kuwait
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nice tutorial ..
2018-9-4
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Flighty
Captain
Flight distance : 1910692 ft
Croatia
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Thanks for the info,,, the compass is something I use every flight...
2018-9-4
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nixuspix
Captain
Flight distance : 2460007 ft
Latvia
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Very helpful and comprehensive information. Thank You
2018-9-4
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Tomcatuk
First Officer
Flight distance : 28733 ft
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Only just came across this video very informative thank you jjbSpark for making it.
2018-9-26
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wimherman
Second Officer
Flight distance : 208503 ft
Norway
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Nice vid!
2018-9-26
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CharlieZ
Captain
Flight distance : 269068 ft
United States
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Cool, thanks for sharing!
1-11 16:41
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Sayhelloforme
Captain
Flight distance : 8131136 ft
United States
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Great information. Beautiful country and video. Very helpful. You mentioned not to fly in your own wind when descending but didn’t DJI correct this problem by the displacement of the motors bringing then turned slightly so not to cause vortex ring state ? Or can it still happen because of  the movement of wind speed and direction of natural wind ? Thank you so much.
2-10 19:19
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JJB*
Captain
Flight distance : 1041288 ft
Netherlands
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Sayhelloforme Posted at 2-10 19:19
Great information. Beautiful country and video. Very helpful. You mentioned not to fly in your own wind when descending but didn’t DJI correct this problem by the displacement of the motors bringing then turned slightly so not to cause vortex ring state ? Or can it still happen because of  the movement of wind speed and direction of natural wind ? Thank you so much.

Hi,

Good question, i do not know if DJI correct this by displacement of the motors. (where else should they place them?)

I just listen to my drone and hear a difference when descending flying in my own wind (plus watch its stability) or descend with forward speed.
And yes, its al in areodynamics , is it possible for a drone to get into a kind of settling with power situation? probably not but imo better safe than sorry.

cheers
JJB
2-10 23:12
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Gator Don
Second Officer
United States
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Will not come up on my computer, dang?
2-11 14:41
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Sayhelloforme
Captain
Flight distance : 8131136 ft
United States
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JJB* Posted at 2-10 23:12
Hi,

Good question, i do not know if DJI correct this by displacement of the motors. (where else should they place them?)

“ where else would they place them” hehehe
Ok, if you look at the motors, none of them are exactly straight up and down.The motors are at a slight angle from their axes. Look at them close and let me know what you think.
I didn’t notice this myself until someone told me about it. It’s also like this on my p3p and I was told it’s because of vortex ring state.
2-11 19:44
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bugalugs22
lvl.3
Flight distance : 61962 ft
Australia
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dank je wel
2-12 00:10
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JJB*
Captain
Flight distance : 1041288 ft
Netherlands
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Sayhelloforme Posted at 2-11 19:44
“ where else would they place them” hehehe
Ok, if you look at the motors, none of them are exactly straight up and down.The motors are at a slight angle from their axes. Look at them close and let me know what you think.
I didn’t notice this myself until someone told me about it. It’s also like this on my p3p and I was told it’s because of vortex ring state.

yes, i know. But still possible to fly in your own down-wash when descending.
Only  an offset of 45 degrees from the horizontal creates in the middle a no wind part in wich 100% vertical downward flying is possible without....bla bla  ;-0

To much theory, for me second nature is to fly fwd while descending, if only for the better sound i hear doing this.....

cheers
JJB

2-12 01:53
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JJB*
Captain
Flight distance : 1041288 ft
Netherlands
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geen dank, van origine Nederlands?
2-12 01:54
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Rustic17
Captain
Flight distance : 575952 ft
United States
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You can definitely hear and see a difference flying straight down versus moving forward and descending.  I have found that if the drone is above me, the fastest descent is with the left control stick full 4-5 or 7-8 o'clock and some forward right control stick.
The motors have to be tilted to get the drone to move in different directions.  They are all tilted outward from the center axis of the drone...to move in a certain direction the motors on the side in the direction you want to move speed up faster than the motors on the opposite side...they then pull the drone in the direction you want to go.  If the motors were perfectly vertical, you'd never be able to move laterally.  If I'm wrong about this, someone let me know.
2-12 09:06
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JJB*
Captain
Flight distance : 1041288 ft
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Rustic17 Posted at 2-12 09:06
You can definitely hear and see a difference flying straight down versus moving forward and descending.  I have found that if the drone is above me, the fastest descent is with the left control stick full 4-5 or 7-8 o'clock and some forward right control stick.
The motors have to be tilted to get the drone to move in different directions.  They are all tilted outward from the center axis of the drone...to move in a certain direction the motors on the side in the direction you want to move speed up faster than the motors on the opposite side...they then pull the drone in the direction you want to go.  If the motors were perfectly vertical, you'd never be able to move laterally.  If I'm wrong about this, someone let me know.

Interesting. If the engine were perfectly vertical and let`s say the two left rotors are spinning at lower rpm...that side will drop so the resulting vertical lift will change too, resulting in 1 vertical component and 1 side component. Thus AC moves left. Same for all other 359 directions.

2-12 12:04
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eYeSkYeYe
Captain

Croatia
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Very nice and informative video. I really like the extra tip on avoiding prop wash.
There is a little bit more to all this but I highly doubt average DJI consumer would be bothered by terms like "retreating blade stall" or "vortex ring state".
2-12 12:42
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JJB*
Captain
Flight distance : 1041288 ft
Netherlands
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eYeSkYeYe Posted at 2-12 12:42
Very nice and informative video. I really like the extra tip on avoiding prop wash.
There is a little bit more to all this but I highly doubt average DJI consumer would be bothered by terms like "retreating blade stall" or "vortex ring state".

i know, my own worst experience was flying in a helicopter backwards at low alt above water into a our own faulty wind....f*ck, had my emergency air bottle ready for use,  real close to a disaster!
2-12 12:52
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ChrisJG
Captain
Flight distance : 430585 ft
United Kingdom
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Excellent, thank you, I knew there was more to that little gizmo in the corner of the screen.
2-12 14:01
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