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ASI erroneous?

Featured Replies

It seems that the GS and ASI don't match on the ground, and the dot for the MCP speed selection is a full 20 kts more than what's shown on the EADI. Bad download?

??? If you're sitting still pointing into a 10 kt wind, the ASI (air speed indicator) would indicate "10" and the GS (ground speed) would indicate "0" wouldn't it? They would only be equal if the wind was 0 kts. Wouldn't it -- or am I missing the point?

Exactly, but in calm conditions the pointer is 20 kts more on the EADI than what is set on the MCP, and the GS is 20 kts more than what's shown on the EADI for some reason.

hehehe... There are what we PICer's call *goodies* all through this WONDERFUL aircraft for those who know what to look for.You might want to look at the ND in it's differn't modes with a crosswind and look at the HDG indicator point towards the wind direction too or the inactive-active-modified route color on the ND![h5]Best Wishes,Randy J. Smith[/h5][h6]The Next Great one? PMDG's 737NG is here![/h6][h3]" A little learning is a dangerous thing"[/h3] [h5]AMD XP 2200 |MUNCHKIN 512 DDR RAM |ECS[/b ][i] K7S5A MB[/i] |GF3 64 MEG @ 215/545|WIN XP PRO |MITSUBISHI DIAMOND PLUS 91 19"[/h5]

Randy J Smith

Yep, I'm aware of that. What could the problem with my install be? Bad download?

Hey Gregg, For NOW please do not uninstall the product as this will cause you a delay with the Key etc. Could you post some screen shots with all the info please? Shift Z with wind etc and the ND? Thanks...[h5]Best Wishes,Randy J. Smith[/h5][h6]The Next Great one? PMDG's 737NG is here![/h6][h3]" A little learning is a dangerous thing"[/h3] [h5]AMD XP 2200 |MUNCHKIN 512 DDR RAM |ECS[/b ][i] K7S5A MB[/i] |GF3 64 MEG @ 215/545|WIN XP PRO |MITSUBISHI DIAMOND PLUS 91 19"[/h5]

Randy J Smith

Just checked it and mine is off by about 5-8 knots as well.Its not a bad download and I will post it as a bug.ThxGeorge

George Morris

 

Boeing777_Banner_BetaTeam.jpg

As you can see FS and the ASI are roughly 2 kts apart. The GS is hard to see, but it is 148kts. Altitude was 20 feet at SFO. The MCP shows 100 kts set, but on the EADI it appears as 120.

Thank you very much Gregg.[h5]Best Wishes,Randy J. Smith[/h5][h6]The Next Great one? PMDG's 737NG is here![/h6][h3]" A little learning is a dangerous thing"[/h3] [h5]AMD XP 2200 |MUNCHKIN 512 DDR RAM |ECS[/b ][i] K7S5A MB[/i] |GF3 64 MEG @ 215/545|WIN XP PRO |MITSUBISHI DIAMOND PLUS 91 19"[/h5]

Randy J Smith

No problem. Hopefully this can be fixed. :-)

  • Commercial Member

GregWell, I can clear up part of this problem.The reason the Marker reads 20 kts higher than the selcted speed has to do with the Autoflight system. The speed dialed in the window for T/O should be V2. Desired climb is V2+20 so the Flight director will display V2+20 speed on the ADI Speedtape. RegardsPaul GollnickTechnical Operations/Customer Operational SupportPrecision Manuals Development Group[www.precisionmanuals.com]

Paul Gollnick

Manager Customer/Technical Support

Precision Manuals Development Group

www.precisionmanuals.com

PMDG_NGX_Dev_Team.jpg

  • Commercial Member

You are in TOGA mode. The target speed is MCP-speed + 20. MCP-speed should be equal to V2. Cheers,Vangelis======================================== E. M. Vaos Precision Manuals Development Group www.precisionmanuals.com========================================

====================================

E M V

Precision Manuals Development Group

====================================

OK guys I tried an actual flight and filled in the FMC and everything and the pointer problem is gone. However, the problem with GS being 5-8kts higher than it should be still exists. Also, I'm getting very bad performance with it, at the beginning the fps is quite good, but after 5-10mins it's down to about 10, CPU load is 80%+, and free memory left is about 30megs! :-eekSystem:1.7Ghz P4512MB SDRAMTi4200 128MB 43.45 driverWinXP

bump.

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