aileron deflection and vasfmc

jensi76pa380 · Post by **jensi76pa380** » 02 Jul 2012, 10:28

Dear community,

when I deflect the ailerons on my PA380 for approx. 50% or greater, the aircraft is rolling not smoothly.
I mean when I want to fly a turn, the bank angle does not increase smoothly. My bank angle "jerks".

If the ailreon deflection is less than approx. 50% this effect does not appear.

This affect is only visible with vasfmc. However, I do not want to fly without vasfmc.

I've already reduced the graphical options of FS9 to the minimum. I also use the wingview (no VC).

Can you please explain me the possible root causes - and their fixes?

Thanks a lot in advance.

Kind regards
jensi76pa380

Post by **esg** » 02 Jul 2012, 14:00

Turn off FBW or bank angle protection or whatever it is they've called it

jensi76pa380 · Post by **jensi76pa380** » 03 Jul 2012, 09:56

But I really would like to fly WITH Fly By Wire and Bank Angle Protection.

Is it just the low performance of my old PC?

Post by **esg** » 03 Jul 2012, 13:02

No, it's likely just conflicting with the LAF XML

jensi76pa380 · Post by **jensi76pa380** » 04 Jul 2012, 10:07

Thank you for your answer.
Please be so kind and tell me what the three letter acronym "LAF" means.
Thank you.

Post by **esg** » 04 Jul 2012, 10:12

Load Alleviation Function

jensi76pa380 · Post by **jensi76pa380** » 04 Jul 2012, 10:26

Please tell me what exactly this is.

Is this really needed for realistic simulation?

How can I deactivate this?

Thank a lot.

Post by **esg** » 04 Jul 2012, 10:51

https://www.youtube.com/watch?v=YqLyKwx8KNE

You can't, sorry.

jensi76pa380 · Post by **jensi76pa380** » 04 Jul 2012, 20:26

Thank you for this video.

I couldn't find the file "LAF.XML". I also couldn't find an option in the vasfmc MCDU that only switches off the bank angle protection.

The only workaround I've found is to reduce the sensitivity of my joystick aileron axle... not really satisfying...

Post by **esg** » 04 Jul 2012, 20:38

The LAF is built into the model, unfortunately.

I can't remember off the top of my head what their FBW does exactly -- but I'm quite certain that there's a separate toggle for the autotrim.

Post by **esg** » 04 Jul 2012, 22:53

So, I've looked into it a bit more, and I dont think it's got anything to do with the LAF. I'll let you know if we figure out a fix.

jensi76pa380 · Post by **jensi76pa380** » 05 Jul 2012, 10:00

Great!
I love PA!

jensi76pa380 · Post by **jensi76pa380** » 16 Aug 2012, 12:36

Dear esg,
did you already figure out a fix?
Regards

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aileron deflection and vasfmc

aileron deflection and vasfmc

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Re: aileron deflection and vasfmc

Re: aileron deflection and vasfmc