<?xml version="1.0"?>
 
<PropertyList>

 <fx>
   <engine>
        <name>left engine</name>
        <path>Sounds/exhaust_loop.wav</path>
        <mode>looped</mode>
        <condition>
            <not>
                <property>velocities/true-airspeed-kt</property>
            </not>
        </condition>
        <volume>
            <property>velocities/true-airspeed-kt</property>
            <factor>0.00167</factor>
            <min>0.05</min>
        </volume>
        <position>
            <x>0</x>
            <y>9.8</y>
            <z>-3</z>
        </position>
        <reference-dist>100.0</reference-dist>
        <max-dist>3000.0</max-dist>
    </engine>

    <engine>
        <name>right engine</name>
        <path>Sounds/exhaust_loop.wav</path>
        <mode>looped</mode>
        <condition>
            <not>
                <property>velocities/true-airspeed-kt</property>
            </not>
        </condition>
        <volume>
            <property>velocities/true-airspeed-kt</property>
            <factor>0.0016</factor>
            <min>0.05</min>
        </volume>
        <position>
            <x>0</x>
            <y>-9.8</y>
            <z>-3</z>
        </position>
        <reference-dist>100.0</reference-dist>
        <max-dist>3000.0</max-dist>
    </engine>
  </fx>
</PropertyList>