Engine updates.
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61ad2ea61c
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5 changed files with 108 additions and 19 deletions
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@ -1,12 +1,17 @@
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ROCKET
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600.0
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0.0
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0.0
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0.0
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0.0
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51090.0
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59000.0
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100.0
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40.0
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91.5
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105.2
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<?xml version="1.0"?>
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<FG_ROCKET NAME="XLR-99">
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<!--
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SHR = Specific Heat Ratio, for LOX/Ammonia this is 1.23
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MAX_PC = Maximum chamber pressure in psf
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PROP_EFF = propulsive efficiency. This is largely a fudge factor.
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-->
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SHR 1.23
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MAX_PC 86556.0
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VARIANCE 0.10
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PROP_EFF 0.80
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MAXTHROTTLE 1.0
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MINTHROTTLE 0.4
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SLFUELFLOWMAX 91.5
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SLOXIFLOWMAX 105.2
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</FG_ROCKET>
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@ -1,9 +1,17 @@
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PISTON
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-19.7
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0.0
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26.6
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0.0
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0.0
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<FG_PISTON NAME="IO320">
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<COMMENT>
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BrakeHorsePower;
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MaxThrottle;
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MinThrottle;
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SLFuelFlowMax;
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SpeedSlope;
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SpeedIntercept;
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AltitudeSlope;
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</COMMENT>
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160.0
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100.0
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0.0
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@ -11,4 +19,4 @@ PISTON
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0.00144
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0.546
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-1.6E-5
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</FG_PISTON>
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17
Engine/eng_io320.xml
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17
Engine/eng_io320.xml
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<?xml version="1.0"?>
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<FG_PISTON NAME="IO320">
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<COMMENT>
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</COMMENT>
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BRAKEHORSEPOWER 160.0
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MAXTHROTTLE 1.0
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MINTHROTTLE 0.2
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SLFUELFLOWMAX 8.7
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SPEEDSLOPE 0.00144
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SPEEDINTERCEPT 0.546
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ALTITUDESLOPE -1.6E-5
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</FG_PISTON>
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45
Engine/prop_generic2f.xml
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45
Engine/prop_generic2f.xml
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<?xml version="1.0"?>
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<FG_PROPELLER NAME="generic2f">
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IXX 5
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DIAMETER 76
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NUMBLADES 2
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EFFICIENCY 12 1
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0.0 0.00
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0.1 0.08
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0.2 0.33
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0.3 0.50
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0.4 0.61
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0.5 0.70
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0.6 0.76
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0.7 0.83
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0.8 0.85
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0.9 0.84
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1.0 0.64
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1.04 0.00
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C_THRUST 12 1
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0.0 0.104
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0.1 0.103
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0.2 0.102
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0.3 0.101
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0.4 0.092
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0.5 0.082
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0.6 0.070
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0.7 0.550
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0.8 0.040
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0.9 0.022
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1.0 0.005
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1.04 -0.010
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C_POWER 12 1
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0.0 0.066
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0.1 0.065
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0.2 0.064
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0.3 0.062
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0.4 0.060
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0.5 0.055
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0.6 0.058
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0.7 0.055
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0.8 0.047
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0.9 0.025
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1.0 0.010
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1.04 0.000
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</FG_PROPELLER>
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14
Engine/xlr99_nozzle.xml
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Engine/xlr99_nozzle.xml
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<?xml version="1.0"?>
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<FG_NOZZLE NAME="X-15 XLR-99 Nozzle">
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<!--
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PE = Nozzle exit pressure, psf.
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EXPR = Nozzle expansion ratio, Ae/At, sqft.
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NZL_EFF = Nozzle efficiency, 0.0 - 1.0
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DIAM = Nozzle diameter, ft.
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-->
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PE 40
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EXPR 9.8
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NZL_EFF 0.80
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DIAM 1.6
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</FG_NOZZLE>
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