> The pa24-250 uses yasim, the c182 uses jsbsim. I just had a look at the > jsbsim aircraft. > Kicking the aircraft to 100.000 ft with the --altitude=100000 commandline arg > the engine of the c182 was spinning at high rpm with no indicated > manifold pressure at full throttle. > I did the same with the SenecaII, tried an air start of the engines and > after some time hitting the starter button, the engines spun up to max rpm > and no indicated manifold pressure at full throttle. > I reenabled the debug message in doEnginePower telling the computed > engine power. For the SenecaII with supercharged engines, it reports "Power = > 0" with engine spinning and for the c182rg (no supercharger) reports > "Power = 10.9" with full throttle. > > I don't know if these values are correct or reasonable. I will check > next time I get a clearance for FL1000 with the Seneca... > > Does our atmosphere model the stratosphere? > > Torsten
Well, I'm not sure what happens if we go directly to 100Kft. I'm curious about behavior that is more "normal". That is, if you start from an airport, or if you initialize at a reasonable altitude, then what happens? I don't think the engine model should allow one to climb to 100,000'. The c-172 engine model can't power the aircraft very high. This probably illustrates a but somewhere. The JSBSim standard atmosphere does model the atmosphere up quite high - much higher than 100,000'. Jon ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Flightgear-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-devel
