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Annoying FSX default Runway Thermals

jvile

jvile

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8,893
I have noticed on some web sites people complaining about user planes that want to float down a runway rather then continue their glidepath to the touchdown markers.

I have not paid much attention to these post until recently when I started working with Savannah, GA (KSAV).

There appears to be a thermal effect that starts at about 200 ft from the threshold of the default runways in FSX and extends the entire length of the runways. You actually have to force the plane to get through this effect barrier in order to land.

It might also be a ground effect that FSX is now using for flair but it is not setup correctly and causes many landing problems once the plane reaches the 200 ft descent GP altitude.

At first I thought it might be a setting in the weather but have reset weather many times even with a default startup to severe clear and no options for winds, gust, turb, etc. I also changed all settings in my registered ver of FSUIPC and yet the effects still exsits.

What ever MS has done in the area of Thermals or ground effect is to sensitive at certain airport runways so I am trying to find where the vertex are located in their respectful bgl's.

If I can locate the code I might be able to see if a LAT/LON is misplaced or a way to de-sensitize these unknowns which could be either a misplaced thermal or overly sensitive ground flair effect.

Can anyone shed some light on this issue?


EDIT ******

I have found a setting in FSX that eliminates my problem

Settings/Display/Weather

I had to place a checkmark in the box that says

Disable Turbulence and Thermal effects on Aircraft.

This disables all the entire airplanes even though many airports are not sensitive to the thermal effects of most runways. It appears that only certain airports need their runways desensitized more so then others.
 
Last edited:
Perhaps it has something to do with underlying landclass tile?
If I remember it correctly, thermals are connected with landclass.
 
jvile said:
It appears that only certain airports need their runways desensitized more so then others.
Click to expand...

If that is the case, then it appears that this thermal effect is some new item in the bgl's for FSX.

Are you absolutely sure that this effect is all in the bgl? Could it possible be in the .air file?
 
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