2015-07-24 17:37:16 +00:00
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<?xml version="1.0"?>
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<!--
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***********************************************************************************
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c172p-detailed, May 2015
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Extra weight and drag due to bush wheels, floats and 180 hp engine
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***********************************************************************************
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-->
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<system name="bushkits">
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<channel name="extra-weight">
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<switch name="extra-weight-left-26-in">
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<default value="0"/>
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<test logic="AND" value="10">
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bushkit EQ 1
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</test>
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<output>/fdm/jsbsim/inertia/pointmass-weight-lbs[5]</output>
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</switch>
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<switch name="extra-weight-right-26-in">
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<default value="0"/>
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<test logic="AND" value="10">
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bushkit EQ 1
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</test>
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<output>/fdm/jsbsim/inertia/pointmass-weight-lbs[6]</output>
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</switch>
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<switch name="extra-weight-left-36-in">
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<default value="0"/>
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<test logic="AND" value="15">
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bushkit EQ 2
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</test>
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<output>/fdm/jsbsim/inertia/pointmass-weight-lbs[7]</output>
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</switch>
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<switch name="extra-weight-right-36-in">
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<default value="0"/>
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<test logic="AND" value="15">
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bushkit EQ 2
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</test>
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<output>/fdm/jsbsim/inertia/pointmass-weight-lbs[8]</output>
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</switch>
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<switch name="extra-weight-180hp">
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<default value="0"/>
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<test logic="AND" value="142">
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/controls/engines/active-engine EQ 1
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</test>
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<output>/fdm/jsbsim/inertia/pointmass-weight-lbs[13]</output>
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</switch>
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<fcs_function name="extra-weight-left-float">
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<function>
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<product>
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<eq>
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<property>bushkit</property>
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<value>3</value>
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</eq>
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<sum>
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<value>66.0</value>
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<property>left-pontoon/leaked-water-lbs</property>
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</sum>
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</product>
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</function>
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<output>inertia/pointmass-weight-lbs[9]</output>
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</fcs_function>
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<fcs_function name="extra-weight-right-float">
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<function>
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<product>
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<eq>
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<property>bushkit</property>
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<value>3</value>
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</eq>
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<sum>
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<value>66.0</value>
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<property>right-pontoon/leaked-water-lbs</property>
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</sum>
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</product>
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</function>
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<output>inertia/pointmass-weight-lbs[10]</output>
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</fcs_function>
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<fcs_function name="extra-weight-left-amphibious">
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<function>
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<product>
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<eq>
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<property>bushkit</property>
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<value>4</value>
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</eq>
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<sum>
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<value>138.0</value>
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<property>left-pontoon/leaked-water-lbs</property>
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</sum>
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</product>
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</function>
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<output>inertia/pointmass-weight-lbs[11]</output>
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</fcs_function>
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<fcs_function name="extra-weight-right-amphibious">
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<function>
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<product>
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<eq>
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<property>bushkit</property>
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<value>4</value>
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</eq>
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<sum>
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<value>138.0</value>
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<property>right-pontoon/leaked-water-lbs</property>
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</sum>
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</product>
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</function>
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<output>inertia/pointmass-weight-lbs[12]</output>
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</fcs_function>
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</channel>
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<channel name="extra-drag">
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<switch name="drag-26-in">
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<default value="1"/>
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<test logic="AND" value="1.05">
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bushkit EQ 1
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</test>
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<output>gear/drag-coef[1]</output>
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</switch>
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<switch name="drag-36-in">
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<default value="1"/>
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<test logic="AND" value="1.07">
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bushkit EQ 2
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</test>
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<output>gear/drag-coef[2]</output>
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</switch>
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<switch name="drag-Floats">
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<default value="1"/>
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<test logic="AND" value="1.20">
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bushkit EQ 3
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</test>
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<output>gear/drag-coef[3]</output>
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</switch>
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<switch name="drag-Amphibious">
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<default value="1"/>
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<test logic="AND" value="1.22">
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bushkit EQ 4
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</test>
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<output>gear/drag-coef[4]</output>
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</switch>
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</channel>
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<channel name="JSBSim hydrodynamics integration">
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<fcs_function name="tmp/floats-enabled-norm">
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<function>
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<product>
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<value>1.0</value>
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<le>
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<value>3.0</value>
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<property>bushkit</property>
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</le>
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<le>
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<property>bushkit</property>
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<value>4.0</value>
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</le>
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<not>
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<and>
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<property>contact/unit[13]/solid</property>
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<property>contact/unit[14]/solid</property>
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<property>contact/unit[15]/solid</property>
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<property>contact/unit[16]/solid</property>
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<property>contact/unit[17]/solid</property>
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<property>contact/unit[18]/solid</property>
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</and>
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</not>
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</product>
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</function>
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<output>floats-enabled-norm</output>
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</fcs_function>
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<!-- FIXME: The delayed activation isn't pretty but, apparently,
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the solid property isn't reliable at the begining. -->
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<switch name="left-pontoon/contact-z-pos-in[0]">
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<default value="38.5"/>
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<test logic="AND" value="-50.0">
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simulation/sim-time-sec GT 0.25
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bushkit GE 3
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bushkit LE 4
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contact/unit[13]/solid NE 0
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</test>
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<output>contact/unit[13]/z-position</output>
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</switch>
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<switch name="left-pontoon/contact-z-pos-in[1]">
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<default value="38.5"/>
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<test logic="AND" value="-44.2">
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simulation/sim-time-sec GT 0.25
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bushkit GE 3
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bushkit LE 4
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contact/unit[15]/solid NE 0
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</test>
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<output>contact/unit[15]/z-position</output>
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</switch>
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<switch name="left-pontoon/contact-z-pos-in[2]">
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<default value="38.5"/>
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<test logic="AND" value="-24.5">
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simulation/sim-time-sec GT 0.25
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bushkit GE 3
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bushkit LE 4
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contact/unit[17]/solid NE 0
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</test>
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<output>contact/unit[17]/z-position</output>
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</switch>
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<switch name="right-pontoon/contact-z-pos-in[0]">
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<default value="38.5"/>
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<test logic="AND" value="-50.0">
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simulation/sim-time-sec GT 0.25
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bushkit GE 3
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bushkit LE 4
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contact/unit[14]/solid NE 0
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</test>
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<output>contact/unit[14]/z-position</output>
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</switch>
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<switch name="right-pontoon/contact-z-pos-in[1]">
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<default value="38.5"/>
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<test logic="AND" value="-44.2">
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bushkit GE 3
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bushkit LE 4
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contact/unit[16]/solid NE 0
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</test>
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<output>contact/unit[16]/z-position</output>
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</switch>
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<switch name="right-pontoon/contact-z-pos-in[2]">
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<default value="38.5"/>
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<test logic="AND" value="-24.5">
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simulation/sim-time-sec GT 0.25
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bushkit GE 3
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bushkit LE 4
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contact/unit[18]/solid NE 0
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</test>
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<output>contact/unit[18]/z-position</output>
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</switch>
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<fcs_function name="left-pontoon/leakage-lbs_sec">
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<function>
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<product>
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<property>hydro/active-norm</property>
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<switch>
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<property>pontoon-damage/left-pontoon</property>
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<value>0.0</value>
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<value>250.0</value>
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<value>5.0</value>
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</switch>
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</product>
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</function>
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</fcs_function>
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<!-- FIXME: How to reset this to 0 on repair? -->
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<pid name="left-pontoon/leaked-water-lbs">
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<input>left-pontoon/leakage-lbs_sec</input>
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<kp>0.0</kp>
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<ki>1.0</ki>
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<kd>0.0</kd>
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<clipto>
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<min>0.0</min>
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<max>2500.0</max> <!-- FIXME: Too much? Or too little? -->
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</clipto>
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</pid>
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<fcs_function name="right-pontoon/leakage-lbs_sec">
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<function>
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<product>
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<property>hydro/active-norm</property>
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<switch>
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<property>pontoon-damage/right-pontoon</property>
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<value>0.0</value>
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<value>250.0</value>
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<value>5.0</value>
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</switch>
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</product>
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</function>
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</fcs_function>
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<!-- FIXME: How to reset this to 0 on repair? -->
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<pid name="right-pontoon/leaked-water-lbs">
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<input>right-pontoon/leakage-lbs_sec</input>
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<kp>0.0</kp>
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<ki>1.0</ki>
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<kd>0.0</kd>
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<clipto>
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<min>0.0</min>
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<max>2500.0</max> <!-- FIXME: Too much? Or too little? -->
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</clipto>
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</pid>
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</channel>
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</system>
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