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fgdata/Engine/PT6A-68_sim.xml

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<?xml version="1.0"?>
<!-- PT6A-68 turboprop engine model
for the SimTurbine turbine model -->
<FG_SIMTURBINE NAME="PT6A-68">
<!--
MILTHRUST max static thrust at S.L. (installed), lbf
MAXTHRUST max static thrust with afterburning at S.L. (installed), lbf
BYPASSRATIO bypass ratio
TSFC thrust-specific fuel consumption (lbm/hr/lbf)
ATSFC augmented TSFC (lbm/hr/lbf)
IDLEN1 idle percent rpm of fan spool
IDLEN2 idle percent rpm of inner spool
MAXN1 N1 at 100% throttle
MAXN2 N2 at 100% throttle
AUGMENTED = 1 if augmentation installed, else = 0
AUGMETHOD = 0 if using property /engine[n]/augmentation
= 1 if using last 1% of throttle movement
INJECTED = 1 if water injection installed
TABLE(0) idle thrust vs. altitude and mach
TABLE(1) maximum un-augmented thrust vs. altitude and mach
TABLE(2) augmented thrust multiplier vs. altitude and mach
TABLE(3) water-injection multiplier vs. altitude and mach
-->
<!-- 1100 horsepower X 2.24 lb/hp -->
MILTHRUST 2464
MAXTHRUST 2464
BYPASSRATIO 0
TSFC 0.55
ATSFC 0.00
IDLEN1 0.0
IDLEN2 65.0
MAXN1 0.0
MAXN2 100.0
AUGMENTED 0
AUGMETHOD 0
INJECTED 0
<TABLE NAME="IdleThrust" TYPE="TABLE">
Idle_power_thrust_factor
6
6
velocities/mach-norm
position/h-sl-ft
none
0 10000 20000 30000 40000 50000
0.0 0.0836 0.0528 0.0694 0.0899 0.1183 0.1467
0.2 0.0501 0.0335 0.0544 0.0797 0.1049 0.1341
0.4 0.0047 0.0020 0.0272 0.0595 0.0891 0.1203
0.6 -0.0804 -0.0560 -0.0237 0.0276 0.0718 0.1073
0.8 -0.2129 -0.1498 -0.1025 -0.0195 0.0473 0.0868
1.0 -0.2839 -0.1104 -0.0469 -0.0270 -0.0158 0.0552
</TABLE>
<TABLE NAME="MilThrust" TYPE="TABLE">
Military_power_thrust_factor
6
6
velocities/mach-norm
position/h-sl-ft
none
0 10000 20000 30000 40000 50000
0.0 1.0000 0.7400 0.5340 0.3720 0.2410 0.1490
0.2 0.7340 0.6970 0.5060 0.3550 0.2310 0.1430
0.4 0.6210 0.5920 0.4060 0.3570 0.2330 0.1450
0.6 0.3510 0.2710 0.2020 0.1780 0.1020 0.0640
0.8 0.0200 0.0200 0.0200 0.0200 0.0200 0.0200
1.0 0.0 0.0 0.0 0.0 0.0 0.0
</TABLE>
</FG_SIMTURBINE>