Re: error: Unrecognized engine type
Erik Hofman <[email protected]> Fri, 01 Jul 2005 10:44:33 +0200
| Newsgroups | gmane.games.flightgear.flightmodel |
|---|---|
| Message-ID | <[email protected]> |
[email protected] wrote: > Hi All! > > I'm trying to understand how to work with models, I'm trying to start flightgear > with an A330-330 model... I get the following error: > > Unrecognized engine type: ? found in config file. > Propulsion not successfully loaded > FGFDMExec: Failed to load aircraft and/or engine model > FlightGear aborting If you look at the contents of the file you see there are at least two unusual characters at the start of the file. I guess something went wrong when copying the file to disk. > > In the config file I call for the RR TRENT 700 engine... so I created with > jsbsim aeromathic the RR TRENT 700.xml file and I put it into the engines > folder, but it doesn't work. I don't think it's good practice to use spaces inside a filename, I'm not sure how well this is supported across platforms. I suspect the XML parser wouldn't care, but I'm not sure about that also. I would just call it RRTrend700.xml instead. Her's an updatedc version. Erik _______________________________________________ Flightgear-flightmodel mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-flightmodel 2f585eeea02e2c79d7b1d8c4963bae2d
RRTren700.xml
(text/xml, 2.6 KB)
<?xml version="1.0" ?>
<!-- CFM56 turbofan engine model
Version 1.0, 14 Mar 2003, David Culp, [email protected]
Updated 20 Oct 2003, DPC, new MAXTHRUST item
-->
<FG_TURBINE NAME="RR Trent 700">
<!--
MILTHRUST max static thrust (without afterburner) at S.L. (installed), lbf
MAXTHRUST max static thrust with afterburner at S.L. (installed), lbf
BYPASSRATIO bypass ratio
TSFC thrust-specific fuel consumption (lbm/hr/lbf)
ATSFC augmented TSFC (lbm/hr/lbf)
BLEED bleed loss (four percent is typical)
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
INJECTED =1 if water injection installed, else =0
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
-->
MILTHRUST 71936
MAXTHRUST 71936
BYPASSRATIO 5.0
TSFC 0.6
ATSFC 0.0
BLEED 0.04
IDLEN1 30.0
IDLEN2 60.0
MAXN1 100.0
MAXN2 100.0
AUGMENTED 0
INJECTED 0
<TABLE NAME="IdleThrust" TYPE="TABLE">
Idle_power_thrust_factor
6
7
velocities/mach-norm
position/h-sl-ft
none
-10000 0 10000 20000 30000 40000 50000
0.0 0.0430 0.0488 0.0528 0.0694 0.0899 0.1183 0.1467
0.2 0.0500 0.0501 0.0335 0.0544 0.0797 0.1049 0.1342
0.4 0.0040 0.0047 0.0020 0.0272 0.0595 0.0891 0.1203
0.6 0.0 0.0 0.0 0.0 0.0276 0.0718 0.1073
0.8 0.0 0.0 0.0 0.0 0.0474 0.0868 0.0900
1.0 0.0 0.0 0.0 0.0 0.0 0.0552 0.0800
</TABLE>
<TABLE NAME="MilThrust" TYPE="TABLE">
Effects_of_altitude_and_mach_on_thrust
8
7
velocities/mach-norm
position/h-sl-ft
none
-10000 0 10000 20000 30000 40000 50000
0.0 1.2600 1.0000 0.7400 0.5340 0.3720 0.2410 0.1490
0.2 1.1710 0.9340 0.6970 0.5060 0.3550 0.2310 0.1430
0.4 1.1500 0.9210 0.6920 0.5060 0.3570 0.2330 0.1450
0.6 1.1810 0.9510 0.7210 0.5320 0.3780 0.2480 0.1540
0.8 1.2580 1.0200 0.7820 0.5820 0.4170 0.2750 0.1700
1.0 1.3690 1.1200 0.8710 0.6510 0.4750 0.3150 0.1950
1.2 1.4850 1.2300 0.9750 0.7440 0.5450 0.3640 0.2250
1.4 1.5941 1.3400 1.0860 0.8450 0.6280 0.4240 0.2630
</TABLE>
</FG_TURBINE>