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Copy pathdc-10-ge-engine-thrlim.xml
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dc-10-ge-engine-thrlim.xml
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<?xml version="1.0"?>
<!-- McDonnell Douglas DC-10 GE CF6-50C2 Engine/Thrust Limits -->
<!-- Copyright (c) 2024 Josh Davidson (Octal450) -->
<system name="DC-10: GE Engine/TCI">
<property value="30">/systems/engines/limit/rated-temp</property>
<property value="51800">/systems/engines/limit/rated-thrust</property>
<property value="945">/systems/engines/egt-alert</property>
<property value="960">/systems/engines/egt-redline</property>
<property value="1">/systems/engines/epr-actual-1</property> <!-- Unused in this engine -->
<property value="1">/systems/engines/epr-actual-2</property> <!-- Unused in this engine -->
<property value="1">/systems/engines/epr-actual-3</property> <!-- Unused in this engine -->
<property value="119.5">/systems/engines/n1-redline</property>
<property value="109.5">/systems/engines/n2-redline</property>
<channel name="Thrust Limits">
<fcs_function name="/systems/engines/limit/rated-thrust-n1">
<function>
<table>
<independentVar lookup="row">/position/altitude-ft</independentVar>
<independentVar lookup="column">propulsion/tat-c</independentVar>
<tableData>
-60 -30 0 30 60
0 96.2 102.4 108.0 113.5 119.0
10000 102.9 107.1 113.1 114.7 120.5
45000 102.9 103.3 109.2 115.1 121.0
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/milthrust-unmodified"> <!-- Copy of MilThrust table in engines file -->
<function>
<table>
<independentVar lookup="row">velocities/mach</independentVar>
<independentVar lookup="column">atmosphere/density-altitude</independentVar>
<tableData>
-10000 0 10000 20000 30000 45000 52000
0.0 1.2600 1.0000 0.7400 0.5640 0.3920 0.2840 0.0000
0.2 1.1710 0.9740 0.6970 0.5360 0.3850 0.2740 0.0000
0.4 1.1500 0.9570 0.6920 0.5460 0.3870 0.2670 0.0000
0.6 1.1810 0.9410 0.7210 0.5660 0.3580 0.2310 0.0000
0.8 1.2290 1.0200 0.7820 0.5570 0.3040 0.2060 0.0000
0.9 1.2580 1.0200 0.7820 0.5220 0.2710 0.1270 0.0000
1.0 1.1810 0.9510 0.7210 0.4410 0.1740 0.0580 0.0000
1.2 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
</tableData>
</table>
</function>
</fcs_function>
<!-- Following functions fix a FGTurbine inaccuracy... rated thrust N1% should be rated thrust lbs -->
<!-- These calculations change it so that the rated power at sea level is at the correct N1% value. It still changes with altitude and mach as it should -->
<fcs_function name="/systems/engines/limit/fgturbine-thrust">
<function>
<sum>
<product>
<property>propulsion/engine[0]/IdleThrust</property> <!-- It doesn't matter which engine, same for all -->
<property>/systems/engines/limit/rated-thrust</property>
</product>
<product>
<difference>
<property>/systems/engines/limit/rated-thrust</property>
<product>
<property>propulsion/engine[0]/IdleThrust</property> <!-- It doesn't matter which engine, same for all -->
<property>/systems/engines/limit/rated-thrust</property>
</product>
</difference>
<property>/systems/engines/limit/milthrust-unmodified</property>
</product>
</sum>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/rated-thrust-actual">
<function>
<sum>
<product>
<property>propulsion/engine[0]/IdleThrust</property> <!-- It doesn't matter which engine, same for all -->
<property>/systems/engines/limit/rated-thrust</property>
</product>
<product>
<product>
<difference>
<property>/systems/engines/limit/rated-thrust</property>
<product>
<property>propulsion/engine[0]/IdleThrust</property> <!-- It doesn't matter which engine, same for all -->
<property>/systems/engines/limit/rated-thrust</property>
</product>
</difference>
<property>/systems/engines/limit/milthrust-unmodified</property>
</product>
<pow>
<quotient>
<difference>
<property>/systems/engines/limit/rated-thrust-n1</property>
<value>22.6</value>
</difference>
<value>96.9</value>
</quotient>
<value>2</value>
</pow>
</product>
</sum>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/rated-thrust-factor">
<function>
<ifthen>
<eq>
<property>/systems/acconfig/autoconfig-running</property>
<value>1</value>
</eq>
<value>0</value>
<ifthen>
<nq> <!-- Prevent divide by 0 -->
<property>/systems/engines/limit/rated-thrust-actual</property>
<value>0</value>
</nq>
<quotient>
<property>/systems/engines/limit/fgturbine-thrust</property>
<property>/systems/engines/limit/rated-thrust-actual</property>
</quotient>
<value>1</value>
</ifthen>
</ifthen>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/takeoff-ref">
<function>
<table>
<independentVar lookup="row">/position/altitude-ft</independentVar>
<independentVar lookup="column">propulsion/tat-c</independentVar>
<tableData>
-60 -30 0 30 60
0 96.2 102.4 108.0 113.5 107.8
10000 102.9 107.1 113.1 114.7 109.8
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/takeoff">
<function>
<quotient>
<floor>
<sum>
<product>
<property>/systems/engines/limit/takeoff-ref</property>
<value>10</value>
</product>
<value>0.5</value> <!-- Make it round correctly -->
</sum>
</floor>
<value>10</value>
</quotient>
</function>
</fcs_function>
<summer name="/systems/engines/limit/flex-temp-input"> <!-- (Rated - Flex) + TAT -->
<input>/systems/engines/limit/rated-temp</input>
<input>-/systems/engines/limit/flex-temp</input>
<input>propulsion/tat-c</input>
</summer>
<fcs_function name="/systems/engines/limit/takeoff-flex-ref">
<function>
<min> <!-- FLEX can not increase thrust past T/O -->
<property>/systems/engines/limit/takeoff-ref</property>
<table>
<independentVar lookup="row">/position/altitude-ft</independentVar>
<independentVar lookup="column">/systems/engines/limit/flex-temp-input</independentVar>
<tableData>
-60 -30 0 30 60
0 96.2 102.4 108.0 113.5 107.8
10000 102.9 107.1 113.1 114.7 109.8
</tableData>
</table>
</min>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/takeoff-flex">
<function>
<quotient>
<floor>
<sum>
<product>
<property>/systems/engines/limit/takeoff-flex-ref</property>
<value>10</value>
</product>
<value>0.5</value> <!-- Make it round correctly -->
</sum>
</floor>
<value>10</value>
</quotient>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/go-around-ref">
<function>
<table>
<independentVar lookup="row">/position/altitude-ft</independentVar>
<independentVar lookup="column">propulsion/tat-c</independentVar>
<tableData>
-60 -30 0 30 60
0 96.7 102.9 108.5 114.1 108.3
10000 103.4 107.6 113.7 115.3 110.3
45000 103.4 103.8 109.7 115.7 113.2
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/go-around">
<function>
<quotient>
<floor>
<sum>
<product>
<property>/systems/engines/limit/go-around-ref</property>
<value>10</value>
</product>
<value>0.5</value> <!-- Make it round correctly -->
</sum>
</floor>
<value>10</value>
</quotient>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/mct-ref">
<function>
<table>
<independentVar lookup="row">/position/altitude-ft</independentVar>
<independentVar lookup="column">propulsion/tat-c</independentVar>
<tableData>
-60 -30 0 30 60
0 93.2 93.2 98.7 103.9 106.2
10000 100.9 100.9 106.5 109.8 106.3
45000 107.6 108.5 106.2 110.9 112.1
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/mct">
<function>
<quotient>
<floor>
<sum>
<product>
<property>/systems/engines/limit/mct-ref</property>
<value>10</value>
</product>
<value>0.5</value> <!-- Make it round correctly -->
</sum>
</floor>
<value>10</value>
</quotient>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/climb-ref">
<function>
<table>
<independentVar lookup="row">/position/altitude-ft</independentVar>
<independentVar lookup="column">propulsion/tat-c</independentVar>
<tableData>
-60 -30 0 30 60
0 91.0 91.0 96.5 101.6 99.5
10000 99.3 99.3 104.7 106.1 99.5
45000 104.1 104.7 104.1 104.6 99.5
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/climb">
<function>
<quotient>
<floor>
<sum>
<product>
<property>/systems/engines/limit/climb-ref</property>
<value>10</value>
</product>
<value>0.5</value> <!-- Make it round correctly -->
</sum>
</floor>
<value>10</value>
</quotient>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/cruise-ref">
<function>
<table>
<independentVar lookup="row">/position/altitude-ft</independentVar>
<independentVar lookup="column">propulsion/tat-c</independentVar>
<tableData>
-60 -30 0 30 60
0 88.5 88.5 93.8 98.9 96.8
10000 96.6 96.6 102.0 103.2 96.8
45000 101.4 102.2 101.3 101.9 96.8
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/cruise">
<function>
<quotient>
<floor>
<sum>
<product>
<property>/systems/engines/limit/cruise-ref</property>
<value>10</value>
</product>
<value>0.5</value> <!-- Make it round correctly -->
</sum>
</floor>
<value>10</value>
</quotient>
</function>
</fcs_function>
<switch name="/systems/engines/limit/active">
<default value="100"/>
<test value="/systems/engines/limit/active">
/systems/engines/limit/active-mode-int eq -1
</test>
<test value="/systems/engines/limit/active">
<test logic="OR">
/systems/engines/limit/active-mode-int eq 0
/systems/engines/limit/active-mode-int eq 1
</test>
/instrumentation/airspeed-indicator/indicated-speed-kt ge 30
</test>
<test value="/systems/engines/limit/takeoff">
/systems/engines/limit/active-mode-int eq 0
</test>
<test value="/systems/engines/limit/takeoff-flex">
/systems/engines/limit/active-mode-int eq 1
</test>
<test value="/systems/engines/limit/go-around">
/systems/engines/limit/active-mode-int eq 2
</test>
<test value="/systems/engines/limit/mct">
/systems/engines/limit/active-mode-int eq 3
</test>
<test value="/systems/engines/limit/climb">
/systems/engines/limit/active-mode-int eq 4
</test>
<test value="/systems/engines/limit/cruise">
/systems/engines/limit/active-mode-int eq 5
</test>
</switch>
<fcs_function name="/systems/engines/limit/active-norm">
<function>
<table>
<independentVar lookup="row">/systems/engines/limit/active</independentVar>
<tableData>
22.6 0
119.5 1
</tableData>
</table>
</function>
<output>/it-autoflight/settings/autothrottle-max</output>
</fcs_function>
<fcs_function name="/systems/engines/limit/highest">
<function>
<max>
<property>/systems/engines/limit/climb</property>
<property>/systems/engines/limit/cruise</property>
<property>/systems/engines/limit/go-around</property>
<property>/systems/engines/limit/mct</property>
<property>/systems/engines/limit/takeoff</property>
</max>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/highest-norm">
<function>
<table>
<independentVar lookup="row">/systems/engines/limit/highest</independentVar>
<tableData>
22.6 0
119.5 1
</tableData>
</table>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/idle"> <!-- No rounding, this is analog -->
<function>
<ifthen>
<eq>
<property>gear/unit[0]/WOW</property>
<value>0</value>
</eq>
<table>
<independentVar lookup="row">velocities/mach</independentVar>
<independentVar lookup="column">/systems/fcs/flaps/input</independentVar> <!-- Take advantage of table interpolation, values same -->
<independentVar lookup="table">/position/altitude-ft</independentVar>
<tableData breakPoint="0">
0 1
0.21 29.4 29.4
0.70 38.8 38.8
</tableData>
<tableData breakPoint="45000">
0 1
0.55 49.9 49.9
0.90 56.7 56.7
</tableData>
</table>
<value>0</value>
</ifthen>
</function>
</fcs_function>
<fcs_function name="/systems/engines/limit/idle-norm">
<function>
<table>
<independentVar lookup="row">/systems/engines/limit/idle</independentVar>
<tableData>
22.6 0
119.5 1
</tableData>
</table>
</function>
<output>/it-autoflight/settings/autothrottle-min</output>
</fcs_function>
</channel>
<channel name="Reversers">
<!-- Engine 1 -->
<switch name="/systems/engines/reverse-1/position-cmd">
<default value="0"/>
<test value="1">
/systems/engines/reverse-1/engage eq 1
</test>
<test logic="AND" value="1"> <!-- Don't stow until thrust is reduced enough -->
/engines/engine[0]/n1-actual ge 40
/systems/engines/reverse-1/position-cmd eq 1
</test>
<output>/systems/engines/reverse-1/position-cmd-out</output>
</switch>
<switch name="/systems/engines/reverse-1/position-rate">
<default value="0"/>
<test logic="OR" value="1">
/systems/pneumatics/eng-1-psi ge 20
/systems/acconfig/autoconfig-running eq 1
</test>
</switch>
<actuator name="/systems/engines/reverse-1/position-norm">
<input>/systems/engines/reverse-1/position-cmd</input>
<rate_limit>/systems/engines/reverse-1/position-rate</rate_limit>
<output>/engines/engine[0]/reverser-pos-norm</output>
</actuator>
<pure_gain name="propulsion/engine[0]/reverser-angle-rad">
<input>/systems/engines/reverse-1/position-norm</input>
<gain>3.14</gain>
</pure_gain>
<switch name="/systems/engines/reverse-1/interlock"> <!-- Locked until 60% open, unlocked until 20% closed -->
<default value="/systems/engines/reverse-1/interlock"/>
<test value="0">
/engines/engine[0]/reverser-pos-norm ge 0.6
</test>
<test value="1">
/engines/engine[0]/reverser-pos-norm le 0.2
</test>
</switch>
<fcs_function name="/systems/engines/reverse-1/throttle-rev-cmd">
<function>
<ifthen>
<eq>
<property>/systems/engines/reverse-1/position-norm</property>
<value>1</value>
</eq>
<table>
<independentVar lookup="row">/controls/engines/engine[0]/throttle</independentVar>
<tableData>
0.05 0.00
1.00 0.82
</tableData>
</table>
<value>0</value>
</ifthen>
</function>
</fcs_function>
<fcs_function name="/systems/engines/reverse-1/throttle-lever">
<function>
<product>
<property>/systems/engines/reverse-1/engage</property>
<table>
<independentVar lookup="row">/systems/engines/reverse-1/throttle-rev-cmd</independentVar>
<tableData>
0.05 0.25
0.82 1.00
</tableData>
</table>
</product>
</function>
</fcs_function>
<switch name="/systems/engines/reverse-1/throttle-rev">
<default value="0"/>
<test value="0">
/systems/engines/reverse-1/interlock eq 1
</test>
<test value="/systems/engines/reverse-1/throttle-rev-cmd">
/systems/engines/reverse-1/engage eq 1
</test>
</switch>
<switch name="/systems/engines/reverse-1/active">
<default value="0"/>
<test logic="OR" value="1">
/systems/engines/reverse-1/position-cmd eq 1
/systems/engines/reverse-1/position-norm ne 0
</test>
</switch>
<!-- Engine 2 -->
<switch name="/systems/engines/reverse-2/position-cmd">
<default value="0"/>
<test value="1">
/systems/engines/reverse-2/engage eq 1
</test>
<test logic="AND" value="1"> <!-- Don't stow until thrust is reduced enough -->
/engines/engine[1]/n1-actual ge 40
/systems/engines/reverse-2/position-cmd eq 1
</test>
<output>/systems/engines/reverse-2/position-cmd-out</output>
</switch>
<switch name="/systems/engines/reverse-2/position-cmd-wow">
<default value="/systems/engines/reverse-2/position-cmd"/>
<test logic="AND" value="0">
/gear/gear[0]/wow ne 1
/systems/engines/reverse-2/position-cmd-wow eq 0
</test>
</switch>
<switch name="/systems/engines/reverse-2/position-rate">
<default value="0"/>
<test logic="OR" value="1">
/systems/pneumatics/eng-2-psi ge 20
/systems/acconfig/autoconfig-running eq 1
</test>
</switch>
<actuator name="/systems/engines/reverse-2/position-norm">
<input>/systems/engines/reverse-2/position-cmd-wow</input>
<rate_limit>/systems/engines/reverse-2/position-rate</rate_limit>
<output>/engines/engine[1]/reverser-pos-norm</output>
</actuator>
<pure_gain name="propulsion/engine[1]/reverser-angle-rad">
<input>/systems/engines/reverse-2/position-norm</input>
<gain>3.14</gain>
</pure_gain>
<switch name="/systems/engines/reverse-2/interlock"> <!-- Locked until 60% open, unlocked until 20% closed -->
<default value="/systems/engines/reverse-2/interlock"/>
<test value="0">
/engines/engine[1]/reverser-pos-norm ge 0.6
</test>
<test value="1">
/engines/engine[1]/reverser-pos-norm le 0.2
</test>
</switch>
<fcs_function name="/systems/engines/reverse-2/throttle-rev-cmd">
<function>
<ifthen>
<eq>
<property>/systems/engines/reverse-2/position-norm</property>
<value>1</value>
</eq>
<table>
<independentVar lookup="row">/controls/engines/engine[1]/throttle</independentVar>
<tableData>
0.05 0.00
1.00 0.82
</tableData>
</table>
<value>0</value>
</ifthen>
</function>
</fcs_function>
<fcs_function name="/systems/engines/reverse-2/throttle-lever">
<function>
<product>
<property>/systems/engines/reverse-2/engage</property>
<table>
<independentVar lookup="row">/systems/engines/reverse-2/throttle-rev-cmd</independentVar>
<tableData>
0.05 0.25
0.82 1.00
</tableData>
</table>
</product>
</function>
</fcs_function>
<switch name="/systems/engines/reverse-2/throttle-rev">
<default value="0"/>
<test value="0">
/systems/engines/reverse-2/interlock eq 1
</test>
<test value="/systems/engines/reverse-2/throttle-rev-cmd">
/systems/engines/reverse-2/engage eq 1
</test>
</switch>
<switch name="/systems/engines/reverse-2/active">
<default value="0"/>
<test logic="OR" value="1">
/systems/engines/reverse-2/position-cmd eq 1
/systems/engines/reverse-2/position-norm ne 0
</test>
</switch>
<!-- Engine 3 -->
<switch name="/systems/engines/reverse-3/position-cmd">
<default value="0"/>
<test value="1">
/systems/engines/reverse-3/engage eq 1
</test>
<test logic="AND" value="1"> <!-- Don't stow until thrust is reduced enough -->
/engines/engine[2]/n1-actual ge 40
/systems/engines/reverse-3/position-cmd eq 1
</test>
<output>/systems/engines/reverse-3/position-cmd-out</output>
</switch>
<switch name="/systems/engines/reverse-3/position-rate">
<default value="0"/>
<test logic="OR" value="1">
/systems/pneumatics/eng-3-psi ge 20
/systems/acconfig/autoconfig-running eq 1
</test>
</switch>
<actuator name="/systems/engines/reverse-3/position-norm">
<input>/systems/engines/reverse-3/position-cmd</input>
<rate_limit>/systems/engines/reverse-3/position-rate</rate_limit>
<output>/engines/engine[2]/reverser-pos-norm</output>
</actuator>
<pure_gain name="propulsion/engine[2]/reverser-angle-rad">
<input>/systems/engines/reverse-3/position-norm</input>
<gain>3.14</gain>
</pure_gain>
<switch name="/systems/engines/reverse-3/interlock"> <!-- Locked until 60% open, unlocked until 20% closed -->
<default value="/systems/engines/reverse-3/interlock"/>
<test value="0">
/engines/engine[2]/reverser-pos-norm ge 0.6
</test>
<test value="1">
/engines/engine[2]/reverser-pos-norm le 0.2
</test>
</switch>
<fcs_function name="/systems/engines/reverse-3/throttle-rev-cmd">
<function>
<ifthen>
<eq>
<property>/systems/engines/reverse-3/position-norm</property>
<value>1</value>
</eq>
<table>
<independentVar lookup="row">/controls/engines/engine[2]/throttle</independentVar>
<tableData>
0.05 0.00
1.00 0.82
</tableData>
</table>
<value>0</value>
</ifthen>
</function>
</fcs_function>
<fcs_function name="/systems/engines/reverse-3/throttle-lever">
<function>
<product>
<property>/systems/engines/reverse-3/engage</property>
<table>
<independentVar lookup="row">/systems/engines/reverse-3/throttle-rev-cmd</independentVar>
<tableData>
0.05 0.25
0.82 1.00
</tableData>
</table>
</product>
</function>
</fcs_function>
<switch name="/systems/engines/reverse-3/throttle-rev">
<default value="0"/>
<test value="0">
/systems/engines/reverse-3/interlock eq 1
</test>
<test value="/systems/engines/reverse-3/throttle-rev-cmd">
/systems/engines/reverse-3/engage eq 1
</test>
</switch>
<switch name="/systems/engines/reverse-3/active">
<default value="0"/>
<test logic="OR" value="1">
/systems/engines/reverse-3/position-cmd eq 1
/systems/engines/reverse-3/position-norm ne 0
</test>
</switch>
</channel>
<channel name="Engine Control">
<!-- Engine 1 -->
<fcs_function name="/systems/engines/limit/man-1-norm">
<function>
<table>
<independentVar lookup="row">/controls/engines/engine[0]/man-n1</independentVar>
<tableData>
22.6 0
119.5 1
</tableData>
</table>
</function>
</fcs_function>
<switch name="/systems/engines/control-1/ats-max">
<default value="/systems/engines/limit/active-norm"/>
<test logic="AND" value="/systems/engines/limit/man-1-norm">
/instrumentation/n[0]/power-avail eq 1
/controls/engines/engine[0]/man-n1-set eq 1
/systems/engines/limit/man-1-norm le /systems/engines/limit/active-norm
</test>
<clipto>
<min>/systems/engines/limit/idle-norm</min>
<max>1.0</max>
</clipto>
</switch>
<switch name="/systems/engines/control-1/throttle-pos">
<default value="/controls/engines/engine[0]/throttle"/>
<test value="0">
/systems/engines/reverse-1/active eq 1
</test>
<test logic="AND" value="/systems/engines/ats-cmd-1">
/it-autoflight/output/athr eq 1
/it-autoflight/output/thr-mode ne 3
</test>
</switch>
<lag_filter name="/systems/engines/control-1/throttle-pos-lag">
<input>/systems/engines/control-1/throttle-pos</input>
<c1>20</c1>
</lag_filter>
<switch name="/systems/engines/control-1/throttle-output">
<default value="/systems/engines/control-1/throttle-pos"/>
<test value="/systems/engines/reverse-1/throttle-rev">
/systems/engines/reverse-1/active eq 1
</test>
<clipto>
<min>/systems/engines/limit/idle-norm</min>
<max>1.0</max>
</clipto>
</switch>
<lag_filter name="/systems/engines/control-1/throttle-fdm">
<input>/systems/engines/control-1/throttle-output</input>
<c1>1.0</c1>
<output>fcs/throttle-pos-norm[0]</output>
</lag_filter>
<!-- Engine 2 -->
<fcs_function name="/systems/engines/limit/man-2-norm">
<function>
<table>
<independentVar lookup="row">/controls/engines/engine[1]/man-n1</independentVar>
<tableData>
22.6 0
119.5 1
</tableData>
</table>
</function>
</fcs_function>
<switch name="/systems/engines/control-2/ats-max">
<default value="/systems/engines/limit/active-norm"/>
<test logic="AND" value="/systems/engines/limit/man-2-norm">
/instrumentation/n[1]/power-avail eq 1
/controls/engines/engine[1]/man-n1-set eq 1
/systems/engines/limit/man-2-norm le /systems/engines/limit/active-norm
</test>
<clipto>
<min>/systems/engines/limit/idle-norm</min>
<max>1.0</max>
</clipto>
</switch>
<switch name="/systems/engines/control-2/throttle-pos">
<default value="/controls/engines/engine[1]/throttle"/>
<test value="0">
/systems/engines/reverse-2/active eq 1
</test>
<test logic="AND" value="/systems/engines/ats-cmd-2">
/it-autoflight/output/athr eq 1
/it-autoflight/output/thr-mode ne 3
</test>
</switch>
<lag_filter name="/systems/engines/control-2/throttle-pos-lag">
<input>/systems/engines/control-2/throttle-pos</input>
<c1>20</c1>
</lag_filter>
<switch name="/systems/engines/control-2/throttle-output">
<default value="/systems/engines/control-2/throttle-pos"/>
<test value="/systems/engines/reverse-2/throttle-rev">
/systems/engines/reverse-2/active eq 1
</test>
<clipto>
<min>/systems/engines/limit/idle-norm</min>
<max>1.0</max>
</clipto>
</switch>
<lag_filter name="/systems/engines/control-2/throttle-fdm">
<input>/systems/engines/control-2/throttle-output</input>
<c1>1.0</c1>
<output>fcs/throttle-pos-norm[1]</output>
</lag_filter>
<!-- Engine 3 -->
<fcs_function name="/systems/engines/limit/man-3-norm">
<function>
<table>
<independentVar lookup="row">/controls/engines/engine[2]/man-n1</independentVar>
<tableData>
22.6 0
119.5 1
</tableData>
</table>
</function>
</fcs_function>
<switch name="/systems/engines/control-3/ats-max">
<default value="/systems/engines/limit/active-norm"/>
<test logic="AND" value="/systems/engines/limit/man-3-norm">
/instrumentation/n[2]/power-avail eq 1
/controls/engines/engine[2]/man-n1-set eq 1
/systems/engines/limit/man-3-norm le /systems/engines/limit/active-norm
</test>
<clipto>
<min>/systems/engines/limit/idle-norm</min>
<max>1.0</max>
</clipto>
</switch>
<switch name="/systems/engines/control-3/throttle-pos">
<default value="/controls/engines/engine[2]/throttle"/>
<test value="0">
/systems/engines/reverse-3/active eq 1
</test>
<test logic="AND" value="/systems/engines/ats-cmd-3">
/it-autoflight/output/athr eq 1
/it-autoflight/output/thr-mode ne 3
</test>
</switch>
<lag_filter name="/systems/engines/control-3/throttle-pos-lag">
<input>/systems/engines/control-3/throttle-pos</input>
<c1>20</c1>
</lag_filter>
<switch name="/systems/engines/control-3/throttle-output">
<default value="/systems/engines/control-3/throttle-pos"/>
<test value="/systems/engines/reverse-3/throttle-rev">
/systems/engines/reverse-3/active eq 1
</test>
<clipto>
<min>/systems/engines/limit/idle-norm</min>
<max>1.0</max>
</clipto>
</switch>
<lag_filter name="/systems/engines/control-3/throttle-fdm">
<input>/systems/engines/control-3/throttle-output</input>
<c1>1.0</c1>
<output>fcs/throttle-pos-norm[2]</output>
</lag_filter>
<!-- Comparator -->
<fcs_function name="/systems/engines/throttle-compare-max">
<function>
<max> <!-- Don't use clipped -->
<property>/systems/engines/control-1/throttle-pos-lag</property>
<property>/systems/engines/control-2/throttle-pos-lag</property>
<property>/systems/engines/control-3/throttle-pos-lag</property>
</max>
</function>
</fcs_function>
</channel>
<channel name="Engine Parameters" execrate="2">
<lag_filter name="/systems/engines/n1-actual-1">
<input>/engines/engine[0]/n1</input>
<c1>2.25</c1>
<output>/engines/engine[0]/n1-actual</output>
<output>/engines/engine[4]/n1</output>
</lag_filter>
<lag_filter name="/systems/engines/n1-actual-2">
<input>/engines/engine[1]/n1</input>
<c1>2.25</c1>
<output>/engines/engine[1]/n1-actual</output>
<output>/engines/engine[5]/n1</output>
</lag_filter>
<lag_filter name="/systems/engines/n1-actual-3">
<input>/engines/engine[2]/n1</input>
<c1>2.25</c1>
<output>/engines/engine[2]/n1-actual</output>
<output>/engines/engine[6]/n1</output>
</lag_filter>
<switch name="/systems/engines/egt-c1">
<default value="0.35"/>
<test value="1000">
/systems/acconfig/autoconfig-running eq 1
</test>
</switch>
<fcs_function name="/systems/engines/egt-cmd-1">
<function>
<sum>
<property>propulsion/tat-c</property>
<table>
<independentVar lookup="row">/engines/engine[0]/n2</independentVar>
<independentVar lookup="column">atmosphere/density-altitude</independentVar>
<independentVar lookup="table">/controls/engines/engine[0]/cutoff</independentVar>
<tableData breakPoint="0">
0 50000
10.0 0 0
35.0 540 430
50.0 535 425
61.8 420 295
109.5 895 670
</tableData>
<tableData breakPoint="1">
0 50000
30.0 0 0
61.8 420 295
109.5 895 670
</tableData>
</table>
</sum>
</function>
</fcs_function>
<lag_filter name="/systems/engines/egt-actual-1">
<input>/systems/engines/egt-cmd-1</input>
<c1>/systems/engines/egt-c1</c1>
<output>/engines/engine[0]/egt-actual</output>
</lag_filter>
<fcs_function name="/systems/engines/egt-cmd-2">
<function>
<sum>
<property>propulsion/tat-c</property>
<table>
<independentVar lookup="row">/engines/engine[1]/n2</independentVar>
<independentVar lookup="column">atmosphere/density-altitude</independentVar>
<independentVar lookup="table">/controls/engines/engine[1]/cutoff</independentVar>