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Why is speed not accurate?
1293 11 2015-2-1
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MTShipp
lvl.3

United States
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Anyone able to explain why, in flight, the live feed will show I am wide open at 52 MPH (with wind ATTI mode), but when I replay later from the user screen, it never goes above 17.2 MPH in the playback?

Am I going 52 or 17?

2015-2-1
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hmerkel
lvl.3
Flight distance : 2307995 ft
United States
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I noticed the same thing, it would be nice to see max speed on the flight info page.  I flew today and had speeds well over 30 mph, but the max speed on the playback was 15 mph.  
2015-2-1
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dundee
Captain
Flight distance : 33550 ft

Thailand
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scared to get a speeding ticket ?   ;)
2015-2-1
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chato1974.email
lvl.4
Flight distance : 2496568 ft
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United States
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Are you taking into account for the wind that the Inspire is flying in?  Because a tailwind will show a much faster airspeed as it is flying in a wind that is going 15 mph already. (Example: 15 mph wind, 20 mph Inspire = 35 mph ground speed with the wind). And flying into that same wind does the opposite. (15 mph wind, 20 mph inspire into that wind + 5 mph ground speed) and all the GPS sees is how fast the Inspire is traveling across the ground. Not the air or the speed of that wind.
2015-2-1
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DJI-Autumn
First Officer

China
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@MTShipp @hmerkel
What device you use?
2015-2-1
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MTShipp
lvl.3

United States
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DJI-Autumn Posted at 2015-2-2 15:49
@MTShipp @hmerkel
What device you use?

I am using iPad Air 2 with app version 0.9.2
2015-2-2
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hmerkel
lvl.3
Flight distance : 2307995 ft
United States
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DJI-Autumn Posted at 2015-2-2 15:49
@MTShipp @hmerkel
What device you use?

Im using an Ipad mini2 and 0.9.2
2015-2-2
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AcesAreWld
lvl.3

United States
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I think in playback mode it is showing meters per second, but labeling it as MPH. I think it is a bug in the iOS App (0.9.2 has it)
2015-2-2
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DJI-Autumn
First Officer

Hong Kong
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Yes it's a bug in the iOS app, will optimized in next version.
2015-2-2
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abe.abekleinfel
Second Officer
Flight distance : 524032 ft
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United States
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I've not been able to go faster than 17.2 MPH. Is that the way to go faster, to put it in ATTI mode?
2015-2-2
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MTShipp
lvl.3

United States
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abe.abekleinfel Posted at 2015-2-3 14:23
I've not been able to go faster than 17.2 MPH. Is that the way to go faster, to put it in ATTI mode?

It can' the that.  I do fly in ATTI mode and though the craft hauls ass, the replay shows 17.2.
2015-2-3
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DJI-Autumn
First Officer

Hong Kong
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The speed is subject to the value on live video feed.
2015-2-3
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