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With no hydraulics, rudder will swing in the wind at low speed

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legoboyvdlp R 2020-07-19 12:48:36 +01:00
parent d3b66bbb91
commit 930e7dca11
1 changed files with 49 additions and 2 deletions
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51
Systems/a320-fcs.xml
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@ -33,6 +33,18 @@
</function>
</fcs_function>
<fcs_function name="hydraulics/rudder-swing">
<function>
<table>
<independentVar lookup="row">/velocities/airspeed-kt</independentVar> <!-- rudder is rather large at 7m2... so it doesn't take much speed to stop it -->
<tableData>
12 1.0
35 0.0
</tableData>
</table>
</function>
</fcs_function>
<actuator name="spoilers/anti-droop-cmd">
<input>fbw/spoiler-output</input>
<rate_limit sense="incr">0.9</rate_limit>
@ -421,8 +433,43 @@
</clipto>
</summer>
<fcs_function name="hydraulics/rudder/swing-deg">
<function>
<product>
<property>hydraulics/rudder-swing</property>
<sin>
<toradians><difference>
<property>/orientation/heading-deg</property>
<property>/environment/wind-from-heading-deg</property>
</difference></toradians>
</sin>
<property>/environment/wind-speed-kt</property>
<value>1.6666</value>
</product>
</function>
<clipto>
<min>-25.0</min>
<max>25.0</max>
</clipto>
</fcs_function>
<aerosurface_scale name="hydraulics/rudder/swing-norm">
<input>hydraulics/rudder/swing-deg</input>
<domain>
<min>-25</min>
<max> 25</max>
</domain>
<range>
<min>-1.0</min>
<max>1.0</max>
</range>
</aerosurface_scale>
<switch name="hydraulics/rudder/switch">
<default value="hydraulics/rudder/summer"/>
<default value="hydraulics/rudder/swing-norm"/>
<test logic="AND" value="hydraulics/rudder/summer">
hydraulics/rudder/pressure-switch-or ne 0
</test>
<clipto>
<min>fbw/yaw/max-deg-scale-neg</min>
<max>fbw/yaw/max-deg-scale</max>
@ -436,7 +483,7 @@
<switch name="hydraulics/rudder/rate">
<default value="80"/>
<test logic="OR" value="0">
<test logic="OR" value="25"> <!-- returns to center from centering spring / damping / aero -->
hydraulics/rudder/pressure-switch-or eq 0
</test>
</switch>