260 lines
8.8 KiB
Text
260 lines
8.8 KiB
Text
# A320Family JSB Engine System
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# Joshua Davidson (it0uchpods)
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#####################
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# Initializing Vars #
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#####################
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var engines = props.globals.getNode("/engines").getChildren("engine");
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var n1_min = 23.4;
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var n2_min = 63.7;
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var egt_min = 323;
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var n1_spin = 5.1;
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var n2_spin = 22.8;
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var n1_start = 23.3;
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var n2_start = 63.6;
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var egt_start = 545;
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var n1_max = 105.8;
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var n2_max = 102.1;
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var egt_max = 860;
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var n1_wm = 0;
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var n2_wm = 0;
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var apu_max = 99.8;
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var apu_egt_max = 513;
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var spinup_time = 15;
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var start_time = 10;
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var egt_lightup_time = 3;
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var egt_lightdn_time = 11;
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var shutdown_time = 20;
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var egt_shutdown_time = 20;
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setprop("/systems/apu/rpm", 0);
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setprop("/systems/apu/egt", 42);
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setprop("/controls/engines/engine[0]/reverser", 0);
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setprop("/controls/engines/engine[1]/reverser", 0);
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##############################
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# Trigger Startups and Stops #
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##############################
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setlistener("/controls/engines/engine[0]/cutoff-switch", func {
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if (getprop("/controls/engines/engine[0]/cutoff-switch") == 0) {
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start_one_check();
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} else if (getprop("/controls/engines/engine[0]/cutoff-switch") == 1) {
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setprop("/controls/engines/engine[0]/starter", 0);
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setprop("/controls/engines/engine[0]/cutoff", 1);
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setprop("/engines/engine[0]/state", 0);
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interpolate(engines[0].getNode("egt-actual"), 0, egt_shutdown_time);
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}
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});
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var start_one_check = func {
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if ((getprop("/controls/engines/engine-start-switch") == 2) and (getprop("/systems/pneumatic/total-psi") >= 28)) {
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auto_start_one();
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}
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}
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setlistener("/controls/engines/engine[1]/cutoff-switch", func {
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if (getprop("/controls/engines/engine[1]/cutoff-switch") == 0) {
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start_two_check();
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} else if (getprop("/controls/engines/engine[1]/cutoff-switch") == 1) {
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setprop("/controls/engines/engine[1]/starter", 0);
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setprop("/controls/engines/engine[1]/cutoff", 1);
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setprop("/engines/engine[1]/state", 0);
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interpolate(engines[1].getNode("egt-actual"), 0, egt_shutdown_time);
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}
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});
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var start_two_check = func {
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if ((getprop("/controls/engines/engine-start-switch") == 2) and (getprop("/systems/pneumatic/total-psi") >= 28)) {
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auto_start_two();
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}
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}
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####################
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# Start Engine One #
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####################
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var auto_start_one = func {
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setprop("/engines/engine[0]/state", 1);
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setprop("/controls/engines/engine[0]/starter", 1);
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eng_one_auto_startt.start();
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}
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var eng_one_auto_start = func {
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if (getprop("/engines/engine[0]/n2") >= 24.1) {
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setprop("/engines/engine[0]/state", 2);
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setprop("/controls/engines/engine[0]/cutoff", 0);
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interpolate(engines[0].getNode("egt-actual"), egt_start, egt_lightup_time);
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eng_one_n2_checkt.start();
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eng_one_auto_startt.stop();
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}
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}
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var eng_one_n2_check = func {
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if (getprop("/engines/engine[0]/egt-actual") >= egt_start) {
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interpolate(engines[0].getNode("egt-actual"), egt_min, egt_lightdn_time);
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}
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if (getprop("/engines/engine[0]/n2") >= n2_start) {
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setprop("/engines/engine[0]/state", 3);
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eng_one_n2_checkt.stop();
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}
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}
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####################
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# Start Engine Two #
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####################
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var auto_start_two = func {
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setprop("/engines/engine[1]/state", 1);
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setprop("/controls/engines/engine[1]/starter", 1);
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eng_two_auto_startt.start();
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}
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var eng_two_auto_start = func {
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if (getprop("/engines/engine[1]/n2") >= 24.1) {
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setprop("/engines/engine[1]/state", 2);
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setprop("/controls/engines/engine[1]/cutoff", 0);
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interpolate(engines[1].getNode("egt-actual"), egt_start, egt_lightup_time);
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eng_two_n2_checkt.start();
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eng_two_auto_startt.stop();
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}
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}
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var eng_two_n2_check = func {
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if (getprop("/engines/engine[1]/egt-actual") >= egt_start) {
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interpolate(engines[1].getNode("egt-actual"), egt_min, egt_lightdn_time);
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}
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if (getprop("/engines/engine[1]/n2") >= n2_start) {
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setprop("/engines/engine[1]/state", 3);
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eng_two_n2_checkt.stop();
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}
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}
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#############
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# Start APU #
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#############
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setlistener("/controls/APU/start", func {
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if ((getprop("/controls/APU/master") == 1) and (getprop("/controls/APU/start") == 1)) {
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interpolate("/systems/apu/rpm", apu_max, spinup_time);
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interpolate("/systems/apu/egt", apu_egt_max, spinup_time);
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} else if (getprop("/controls/APU/master") == 0) {
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apu_stop();
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}
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});
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############
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# Stop APU #
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############
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setlistener("/controls/APU/master", func {
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if (getprop("/controls/APU/master") == 0) {
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setprop("/controls/APU/start", 0);
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apu_stop();
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}
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});
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var apu_stop = func {
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interpolate("/systems/apu/rpm", 0, spinup_time);
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interpolate("/systems/apu/egt", 42, spinup_time);
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}
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#######################
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# Various other stuff #
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#######################
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setlistener("/controls/engines/engine-start-switch", func {
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if ((getprop("/controls/engines/engine-start-switch") == 0) or (getprop("/controls/engines/engine-start-switch") == 1)) {
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if (getprop("/controls/engines/engine[0]/state") == 1 or getprop("/controls/engines/engine[0]/state") == 2) {
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setprop("/controls/engines/engine[0]/starter", 0);
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setprop("/controls/engines/engine[0]/cutoff", 1);
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setprop("/engines/engine[0]/state", 0);
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interpolate(engines[0].getNode("egt-actual"), 0, egt_shutdown_time);
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}
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if (getprop("/controls/engines/engine[1]/state") == 1 or getprop("/controls/engines/engine[1]/state") == 2) {
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setprop("/controls/engines/engine[1]/starter", 0);
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setprop("/controls/engines/engine[1]/cutoff", 1);
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setprop("/engines/engine[1]/state", 0);
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interpolate(engines[1].getNode("egt-actual"), 0, egt_shutdown_time);
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}
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}
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});
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setlistener("/systems/pneumatic/start-psi", func {
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if (getprop("/systems/pneumatic/total-psi") < 12) {
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if (getprop("/engines/engine[0]/state") == 1 or getprop("/controls/engines/engine[0]/state") == 2) {
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setprop("/controls/engines/engine[0]/starter", 0);
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setprop("/controls/engines/engine[0]/cutoff", 1);
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setprop("/engines/engine[0]/state", 0);
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interpolate(engines[0].getNode("egt-actual"), 0, egt_shutdown_time);
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}
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if (getprop("/engines/engine[1]/state") == 1 or getprop("/controls/engines/engine[1]/state") == 2) {
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setprop("/controls/engines/engine[1]/starter", 0);
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setprop("/controls/engines/engine[1]/cutoff", 1);
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setprop("/engines/engine[1]/state", 0);
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interpolate(engines[1].getNode("egt-actual"), 0, egt_shutdown_time);
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}
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}
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});
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#########################
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# Reverse Thrust System #
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#########################
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var do_rev_thrust = func {
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if ((getprop("/controls/engines/engine[0]/reverser") == "1") and (getprop("/controls/engines/engine[1]/reverser") == "1") and (getprop("/gear/gear[1]/wow") == 1) and (getprop("/gear/gear[2]/wow") == 1)) {
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var pos1 = getprop("/controls/engines/engine[0]/throttle-pos");
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var pos2 = getprop("/controls/engines/engine[1]/throttle-pos");
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if (pos1 < 0.5) {
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setprop("/controls/engines/engine[0]/throttle-pos", pos1 + 0.167);
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}
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if (pos2 < 0.5) {
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setprop("/controls/engines/engine[1]/throttle-pos", pos2 + 0.167);
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}
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}
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var state1 = getprop("/systems/thrust/state1");
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var state2 = getprop("/systems/thrust/state2");
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if ((state1 == "IDLE") and (state2 == "IDLE") and (getprop("/controls/engines/engine[0]/reverser") == "0") and (getprop("/controls/engines/engine[1]/reverser") == "0") and (getprop("/gear/gear[1]/wow") == 1) and (getprop("/gear/gear[2]/wow") == 1)) {
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interpolate("/engines/engine[0]/reverser-pos-norm", 1, 1.4);
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interpolate("/engines/engine[1]/reverser-pos-norm", 1, 1.4);
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setprop("/controls/engines/engine[0]/reverser", 1);
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setprop("/controls/engines/engine[1]/reverser", 1);
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setprop("/controls/engines/engine[0]/throttle-pos", 0);
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setprop("/controls/engines/engine[1]/throttle-pos", 0);
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setprop("/fdm/jsbsim/propulsion/engine[0]/reverser-angle-rad", 3.14);
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setprop("/fdm/jsbsim/propulsion/engine[1]/reverser-angle-rad", 3.14);
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}
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}
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var un_rev_thrust = func {
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if ((getprop("/controls/engines/engine[0]/reverser") == "1") and (getprop("/controls/engines/engine[1]/reverser") == "1")) {
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var pos1 = getprop("/controls/engines/engine[0]/throttle-pos");
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var pos2 = getprop("/controls/engines/engine[1]/throttle-pos");
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if (pos1 > 0.0) {
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setprop("/controls/engines/engine[0]/throttle-pos", pos1 - 0.167);
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} else {
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un_rev_thrust_b();
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}
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if (pos2 > 0.0) {
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setprop("/controls/engines/engine[1]/throttle-pos", pos2 - 0.167);
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} else {
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un_rev_thrust_b();
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}
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}
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}
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var un_rev_thrust_b = func {
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interpolate("/engines/engine[0]/reverser-pos-norm", 0, 1.0);
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interpolate("/engines/engine[1]/reverser-pos-norm", 0, 1.0);
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setprop("/controls/engines/engine[0]/throttle-pos", 0);
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setprop("/controls/engines/engine[1]/throttle-pos", 0);
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setprop("/fdm/jsbsim/propulsion/engine[0]/reverser-angle-rad", 0);
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setprop("/fdm/jsbsim/propulsion/engine[1]/reverser-angle-rad", 0);
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setprop("/controls/engines/engine[0]/reverser", 0);
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setprop("/controls/engines/engine[1]/reverser", 0);
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}
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# Timers
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var eng_one_auto_startt = maketimer(0.5, eng_one_auto_start);
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var eng_one_n2_checkt = maketimer(0.5, eng_one_n2_check);
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var eng_two_auto_startt = maketimer(0.5, eng_two_auto_start);
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var eng_two_n2_checkt = maketimer(0.5, eng_two_n2_check);
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