Curtis Olson wrote: > On Dec 6, 2007 9:07 PM, dave perry <> wrote: > > Would anyone object to setting all the turbulence values in > Preferences.xml to 0.0 for this release? > > Even the small values set by Preferences.xml cause increasing > oscillations for most JSBSim autopilots in APR mode because the > 500 ft. > agl boundary turbulence is 0.1 . This is true for the c172p with the > kap140 autopilot and the SenecaI with the AltimaticIIIc autopilot. > Setting turbulence = 0.0 from fgrun will not zero these values. Using > --turbulence=0.0 on the command line will result in all the > turbulence > values being zero. > > > I'll put in my vote for zeroing these out in the preferences.xml > file. If someone wants interesting weather they can just enable the > real time metar. > > Regards, > > Curt. > -- > Curtis Olson: http://baron.flightgear.org/~curt/ > <http://baron.flightgear.org/%7Ecurt/> > Unique text: 2f585eeea02e2c79d7b1d8c4963bae2d > ------------------------------------------------------------------------ > > This change doesnt exactly affect the weather but is a temp hack until JSBsim developers adjust the modeling of turbulence. I donot see this issue with the other FDM. Calling for METAR or not is irrelevant I believe. I was calling for METAR on my test flights this evening, got real weather but no turb.
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