I write patch for changes of JSB turbine starter spin time.
diff -u FGTurbine.cpp.orig FGTurbine.cpp
--- FGTurbine.cpp.orig 2009-03-24 00:46:08.000000000 +0300
+++ FGTurbine.cpp 2009-03-24 12:32:25.000000000 +0300
@@ -68,6 +68,7 @@
Augmented = AugMethod = Injected = 0;
BypassRatio = BleedDemand = 0.0;
IdleThrustLookup = MilThrustLookup = MaxThrustLookup = InjectionLookup = 0;
+ SpinCoeff = 1.0;
ResetToIC();
@@ -255,8 +256,8 @@
{
Running = false;
FuelFlow_pph = 0.0;
- N2 = Seek(&N2, 25.18, 3.0, N2/2.0);
- N1 = Seek(&N1, 5.21, 1.0, N1/2.0);
+ N2 = Seek(&N2, 25.18, 3.0*SpinCoeff, N2/2.0);
+ N1 = Seek(&N1, 5.21, 1.0*SpinCoeff, N1/2.0);
EGT_degC = Seek(&EGT_degC, TAT, 11.7, 7.3);
OilPressure_psi = N2 * 0.62;
OilTemp_degK = Seek(&OilTemp_degK, TAT + 273.0, 0.2, 0.2);
@@ -427,6 +428,11 @@
Injected = (int)el->FindElementValueAsNumber("injected");
if (el->FindElement("injection-time"))
InjectionTime = el->FindElementValueAsNumber("injection-time");
+ if (el->FindElement("spin-coeff"))
+ {
+ SpinCoeff = el->FindElementValueAsNumber("spin-coeff");
+ cout << "Spin Coeff: " << SpinCoeff << endl;
+ }
Element *function_element;
string name;
@@ -462,6 +468,7 @@
return true;
}
+
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
string FGTurbine::GetEngineLabels(string delimeter)
@@ -557,6 +564,7 @@
cout << " AugMethod: " << AugMethod << endl;
cout << " Injected: " << Injected << endl;
cout << " MinThrottle: " << MinThrottle << endl;
+ cout << " SpinCoeff: " << SpinCoeff << endl;
cout << endl;
}
diff -u FGTurbine.cpp.orig FGTurbine.cpp > patch1.diff
--- FGTurbine.h.orig 2009-03-24 12:35:34.000000000 +0300
+++ FGTurbine.h 2009-03-24 12:34:19.000000000 +0300
@@ -99,6 +99,7 @@
<augmethod> {0 | 1 | 2} </augmethod>
<injected> {0 | 1} </injected>
<injection-time> {number} </injection-time>
+ <spin-coeff>{number}</spin-coeff>
</turbine_engine>
@endcode
@@ -234,6 +235,7 @@
double ThrottlePos; ///< FCS-supplied throttle position
double AugmentCmd; ///< modulated afterburner command (0.0 to 1.0)
double TAT; ///< total air temperature (deg C)
+ double SpinCoeff; ///< starter spin coefficient (decrease it
for increase spin)
bool Stalled; ///< true if engine is compressor-stalled
bool Seized; ///< true if inner spool is seized
bool Overtemp; ///< true if EGT exceeds limits
--
Best regard!!!
Yaroslav Zavarzin
Registered Linux user #419120
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