Robinson-R66/Models/HelicopterPushback/models/pushback_guys/pushback_guys.xml

<PropertyList>

  <path>pushback_guys.ac</path>

  <animation>
    <type>select</type>
    <condition>
      <property>sim/model/pushback/enabled</property>
    </condition>
  </animation>

  <animation>
    <type>rotate</type>
    <condition>
      <greater-than>
        <property>sim/model/pushback/position-norm</property>
        <value>0.99</value>
      </greater-than>
    </condition>
    <property>gear/gear[0]/steering-norm</property>
    <factor>-70</factor>
    <center>
      <x-m>3</x-m>
      <y-m>0</y-m>
      <z-m>0</z-m>
    </center>
    <axis>
      <x>0</x>
      <y>0</y>
      <z>1</z>
    </axis>
  </animation>

  <!-- change heading of the pushback when driving the arc -->
  <animation>
    <type>rotate</type>
    <property>sim/model/pushback/position-norm</property>
    <factor>-90</factor>
    <offset-deg>90</offset-deg>
    <center>
      <x-m>0</x-m>
      <y-m>0</y-m>
      <z-m>0</z-m>
    </center>
    <axis>
      <x>0</x>
      <y>0</y>
      <z>-1</z>
    </axis>
  </animation>
  
  <!-- compensate for gear compression -->
  <animation>
    <type>translate</type>
    <property>gear/gear[0]/compression-ft</property>
    <factor>0.3048</factor>
    <axis>
      <x>0</x>
      <y>0</y>
      <z>1</z>
    </axis>
  </animation>

  <animation>
    <type>translate</type>
    <property>sim/model/pushback/position-norm</property>
    <interpolation>
      <entry><ind>1.000000</ind><dep>0.000000</dep></entry>
      <entry><ind>0.000000</ind><dep>10.000000</dep></entry>
    </interpolation>
    <axis>
      <x>-1</x>
      <y>0</y>
      <z>0</z>
    </axis>
  </animation>
  
  <animation>
    <type>translate</type>
    <property>sim/model/pushback/position-norm</property>
    <interpolation>
    <entry><ind>1.000000</ind><dep>0.000000</dep></entry>
    <entry><ind>0.900000</ind><dep>0.000000</dep></entry>
    <entry><ind>0.000000</ind><dep>10.000000</dep></entry>
    </interpolation>
    <axis>
      <x>0</x>
      <y>1</y>
      <z>0</z>
    </axis>
  </animation>

  <!-- compensate for pitch of aircraft, keep pushback level -->
  <animation>
    <type>rotate</type>
    <property>orientation/pitch-deg</property>
    <factor>-1</factor>
    <center>
      <x-m>0</x-m>
      <y-m>0</y-m>
      <z-m>0</z-m>
    </center>
    <axis>
      <x>0</x>
      <y>1</y>
      <z>0</z>
    </axis>
  </animation>

</PropertyList>