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IRS realistic alignment time #203

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IRS realistic alignment time #203

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b15e3ef
Updates
boufogre May 11, 2021
4e4e26a
update
boufogre May 23, 2021
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14 changes: 11 additions & 3 deletions salty-747/html_ui/Pages/Salty/SaltyIRS.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,8 @@ class SaltyIRS {
var deltaTime = timeNow - this.lastTime;
this.lastTime = timeNow;

var latitude = Math.abs(SimVar.GetSimVarValue("PLANE LATITUDE", "radians") * 180 / Math.PI);
var latitudeFactor = Math.cos(Math.abs(SimVar.GetSimVarValue("PLANE LATITUDE", "radians")));
var IRSState = SimVar.GetSimVarValue("L:SALTY_IRS_STATE", "Enum");
var isIRSOn = ((SimVar.GetSimVarValue("L:747_IRS_KNOB_1", "Enum") >= 1) && (SimVar.GetSimVarValue("L:747_IRS_KNOB_2", "Enum") >= 1) && (SimVar.GetSimVarValue("L:747_IRS_KNOB_3", "Enum") >= 1));
var isSomeIRSOn = ((SimVar.GetSimVarValue("L:747_IRS_KNOB_1", "Enum") >= 1) || (SimVar.GetSimVarValue("L:747_IRS_KNOB_2", "Enum") >= 1) || (SimVar.GetSimVarValue("L:747_IRS_KNOB_3", "Enum") >= 1));
Expand All @@ -25,9 +27,15 @@ class SaltyIRS {
if (isIRSOn && IRSState == 0) {
SimVar.SetSimVarValue("L:SALTY_IRS_STATE", "Enum", 1);
IRSState = 1;

// irs "TIME TO ALIGN" in seconds, default = 7 * 60 ... reduce this to a lower number whilst debugging to protect sanity.
this.irsTimer = 7 * 60;
if (latitude < 70.2) {
this.irsTimer = 600;
}
else if (latitude >= 70.2 && latitude < 78.2) {
this.irsTimer = 1020;
}
else {
this.irsTimer = 1020 * (1 + (1 / latitudeFactor));
}
}

if (IRSState == 1) {
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2 changes: 1 addition & 1 deletion salty-747/html_ui/Pages/VCockpit/Instruments/Airliners/B747_8/FMC/B747_8_FMC_MainDisplay.js
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Expand Up @@ -209,7 +209,7 @@ class B747_8_FMC_MainDisplay extends Boeing_FMC {
this.updateAutopilot();
this.updateVREF25();
this.updateVREF30();
this.saltyBase.update();
this.SaltyBase.update();
if (SaltyDataStore.get("OPTIONS_UNITS", "KG") == "KG") {
this.units = true;
this.useLbs = false;
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2 changes: 1 addition & 1 deletion salty-747/html_ui/Pages/VCockpit/Instruments/Airliners/B747_8/MFD/B747_8_MFD.js
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Expand Up @@ -96,7 +96,7 @@ class B747_8_MFD_MainPage extends NavSystemPage {
this.updateAltitudeRangeArc(_deltaTime);

const IRSState = SimVar.GetSimVarValue("L:SALTY_IRS_STATE", "Enum");
const IRSMinutesLeft = Math.floor(SimVar.GetSimVarValue("L:SALTY_IRS_TIME_LEFT", "Enum") / 60);
const IRSMinutesLeft = Math.ceil(SimVar.GetSimVarValue("L:SALTY_IRS_TIME_LEFT", "Enum") / 60); //Math.floor(SimVar.GetSimVarValue("L:SALTY_IRS_TIME_LEFT", "Enum") / 60);

if (IRSState == 0) {
this.mapBox.style.display = "";
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