Old good FSX

Share your experiences with Simulators other than FlightGear Flight Simulator
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V12
Posts: 466
Joined: Sun Mar 19, 2017 5:15 pm

Re: Old good FSX

Postby V12 » Tue Dec 18, 2018 5:54 am

Of course it was AP problem. Triggered by baro altitude change 1200 feet in half of second at FL500.
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Richard
Posts: 114
Joined: Sun Sep 11, 2016 5:57 pm

Re: Old good FSX

Postby Richard » Tue Dec 18, 2018 7:02 pm

I'm also seeing this problem; I've posted onto the main forums and I'll investigate further.

There are two parts to the issue;

1) it appears that the outside pressure is changing almost instantly for an as yet unknown reason.
2) The autopilot in your aircraft can't handle the sudden pressure change.

The F-15 holds altitude fine; possibly because to maintain M2.5 it requires the engines to run at 100% with a degree of thrust augmentation.

I'm not an expert on the upper atmosphere - however lower down you certainly can get rapid pressure changes as the aircraft flys through different airmasses; so the autopilot should be able to handle this.

I'll investigate(1) to see if I can figure out what is happening - but also the autopilot should be fixed on your model.

User avatar
V12
Posts: 466
Joined: Sun Mar 19, 2017 5:15 pm

Re: Old good FSX

Postby V12 » Thu Dec 20, 2018 11:18 am

Next step to the reality - Android app PMDG CDU device. With this little application You will transfer CDU to the tablet.
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