-------------------------------------------------- From: "Alan Teeder" <[email protected]> Sent: Saturday, March 20, 2010 6:55 PM To: "FlightGear developers discussions" <[email protected]> Subject: Re: [Flightgear-devel] Bounce at startup.
> > -------------------------------------------------- > From: "Ron Jensen" <[email protected]> > Sent: Saturday, March 20, 2010 5:28 PM > >> >> By design a gear doesn't support weight until it reaches >0.99 of >> extension. This was done so the gear would collapse rapidly if it was >> retracted on the ground. >> >> In FGLGear code the gear is initialized to "down" >> In Aircraft/controls.cxx gear is initialized to "down" >> In preferences.xml gear is initialized to "down" >> >> As near as I can tell the gear is always "down" on the c182rg model >> during initialization. I verified this by adding a line to >> source/src/FDM/JSBSim/models/FGLGear.cpp FGLGear::GetBodyForces >> >> if (t<30.) cout << "Gear is down : "<<GearDown <<endl; >> >> Cheers, >> Ron > > > Ron > > I added your test line to FGLGear.cpp, and with my model GearDown is 0 for > 3 > frames and then 1 for 4 frames. This is not so for aircraft that do not > exhibit the bounce fault, so it looks as if I have go through the > spaghetti > code that is my FDM and model. > > Thanks for the help. > > Alan > Thanks Ron , your patch pointed me to the problem, which is now fixed. I had bits of code stolen/borrowed from various aircraft and they were fighting each other. On to the next problem .... Alan ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Flightgear-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-devel
