> Hey Group;
>
> Does the 172 and 182 have wing flaps functionality? As I remember in my
> past life a real 172 does. I can't see any movement up/down or in/out.
> However, the elevators seems to work. Problem is the Trim is just not
> correctable. Any suggestions.
> fg_demo seems to make sense
>
Most likely the flaps do function aerodynamically, but a change in JSBSim
some months ago made it required to do some work to make the flaps animate.
See the aerosurface_scale component just after the flaps component in the
c172x.xml file:
<aerosurface_scale name="Flap Position Normalizer">
<input>fcs/flap-pos-deg</input>
<domain>
<min>0</min> <!-- Flaps actual minimum position -->
<max>30</max> <!-- Flaps actual maximum position -->
</domain>
<range>
<min>0</min> <!-- Flaps normalized minimum position -->
<max>1</max> <!-- Flaps normalized maximum position -->
</range>
<output>fcs/flap-pos-norm</output>
</aerosurface_scale>
Jon
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