• Which the release of FS2020 we see an explosition of activity on the forun and of course we are very happy to see this. But having all questions about FS2020 in one forum becomes a bit messy. So therefore we would like to ask you all to use the following guidelines when posting your questions:

    • Tag FS2020 specific questions with the MSFS2020 tag.
    • Questions about making 3D assets can be posted in the 3D asset design forum. Either post them in the subforum of the modelling tool you use or in the general forum if they are general.
    • Questions about aircraft design can be posted in the Aircraft design forum
    • Questions about airport design can be posted in the FS2020 airport design forum. Once airport development tools have been updated for FS2020 you can post tool speciifc questions in the subforums of those tools as well of course.
    • Questions about terrain design can be posted in the FS2020 terrain design forum.
    • Questions about SimConnect can be posted in the SimConnect forum.

    Any other question that is not specific to an aspect of development or tool can be posted in the General chat forum.

    By following these guidelines we make sure that the forums remain easy to read for everybody and also that the right people can find your post to answer it.

FSX Elevator Trim

S

Southwest

Messages
1,101
Country
unitedkingdom
Hi guys,

I;ve downloaded the ISDT ATR42-300 but the trim is really odd.

It seems to only have two stages, either up or down and 1 adjustment of each sends the aircraft in a vertical climb, or a vertical descent.

Is it possible to make the trim smoother in the flight dynamics, the issue isn't on any other model I have?

Thanks guys :)
 
a litte bit late maybe... i guess it is the entry "*Pitch Trim Variable Trim (rad)"
 
The amount of elavator trim in degrees total in specified in the aircraft.cfg file towards the end of the [airplane_geometry] section. for example:
elevator_trim_limit =5.0 //Degrees Total.

This would be the first place to visit to reduce trim effect.

Roy
 
You'll notice in the picture that it is entry 1101/trim pitch effect. This is using AirEd to open the air file. I prefer it because you tweak out alot more params than FS edit. FS edit has some limitations that i find cumbersome. You can find AirEd at simviation in the miscellaneous i think or tools. Cant remember. This is weird too because air files have never "wigged out" on me. Maybe just downloading the file again and reinstalling the air files would fix it. You might want to look at the aircraft config too. There are entries under flight tuning that might be set at something other than 1.0 (see below)

[flight_tuning]
cruise_lift_scalar = 1.0
parasite_drag_scalar = 1.0
induced_drag_scalar = 1.0
elevator_effectiveness = 1.0
aileron_effectiveness = 1.0
rudder_effectiveness = 1.0
pitch_stability = 1.0
roll_stability = 1.0
yaw_stability = 1.0
elevator_trim_effectiveness = 1.0
aileron_trim_effectiveness = 1.0
rudder_trim_effectiveness = 1.0
p_factor_on_yaw = 0.5
torque_on_roll = 0.5

i prefer to alter the air file over these aircraft config values. I'm not sure what these will do to fuel economy and overall realism. so i leave them at spec values. In CFS2 they mess with your AI to Player handling balance. In other words i think they will make you dominate or be dominated by AI depending on how you set them.
 

Attachments

  • Untitled.jpg
    Untitled.jpg
    204.2 KB · Views: 664
Last edited:
You must log in or register to reply here.
Back
Top