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Posted

Bug description:

 

I attempted to verify modelling of INU drift after approximately 2.5 hours flying time with heavy winds; in the end, it appeared that zero drift/error had occurred.

 

Conditions of occurrence:

 

INU Update Type: fly-over

INU #1 Location = intersection of two runways @ N41.50.31 E041.47.52

17:00 Mission Start

19:21 Time in mission INU update occurred

 

  • Actual location (from external view) = N41.50.516 E041.47.866
  • PVI-800 Ownship Coordinates before INU update: N41.50.5 E041.47.8
  • PVI-800 Ownship Coordinates after INU update: N41.50.5 E041.47.8

 

As the screenshots show, the PVI-800 Ownship Coordinates are the same before and after the INU update after 2 hrs 21 mn flight time with winds at 15 meters per second.

 

PC Configuration:

 

DCS World v. 1.2.4.12913 vanilla (no mods)

 

Attachments:

 

PVI.zip

  • meINU_1.png
  • actual.png
  • postINUupdate.png
  • preINUupdate.png
  • 001.miz
  • INU.trk

 

actual.png

 

meINU_1.png

 

preINUupdate.png

 

postINUupdate.png

Posted

The INU drift it´s not modelled.

" You must think in russian.."

[sIGPIC][/sIGPIC]

 

Windows 7 Home Premium-Intel 2500K OC 4.6-SSD Samsung EVO 860- MSI GTX 1080 - 16G RAM - 1920x1080 27´

 

Hotas Rhino X-55-MFG Crosswind Rudder Pedals -Track IR 4

Posted

yea I always wonder why people put that in there missions when it doesn't work.:thumbup:

"any failure you meet, is never a defeat; merely a set up for a greater come back",  W Forbes.

"Success is not final, failure is not fatal, it is the courage to continue that counts",
"He who never changes his mind, never changes anything," Winston Churchill.

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Posted

I searched for a post which mentioned the deprecated feature but couldn't find one. I know there were some issues with it a long, long time ago (pre-DCS: World), and that it had been disabled -- but figured since capability was in current mission editor, that somewhere along the line they had fixed it.

Posted

There seems to be a bug (?) in the PVI-800 where everything is rounded down. Wind speed displayed by the PVI-800 is always (except at 0) 1 m/s less than actual. With this in mind your pictures of the ABRIS and PVI-800 coordinates match. The ABRIS is degrees-minutes-seconds and the PVI-800 is degrees-decimal minutes. My calculations show that the PVI-800 should display longitude 041'47'9 instead of 041'47'8. So I'm not sure that even if alignment was modelled that you would see a difference before and after.

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