On Mon, 2004-04-05 at 14:30, David Culp wrote: > > >Bad data. > > > > On the part of ... ? > > I'll attempt an explanation. If I'm wrong maybe Tony can add two words. OK, > one and a half. > > 1) A JSBSim airplane can only be placed on the ground after going through an > iterative routine to lower it and adjust it's body angle to balance-out the > forces at the gear. > > 2) If the airplane could be removed and placed back at the exact trimmed > position and orientation immediately, it should be able to stay still because > nothing has changed. > > 3) If the airplane burns fuel, then its CG and weight changes, therefore if > you try to return it to the former trimmed position, which was based on a > heavier weight and different CG, then there will be too much, and an > unbalanced amount of, spring tension. > > 4) Therefore, to reset the airplane at the runway, a JSBSim airplane must be > allowed to run through the same trimming routine it does at start-up. No > shortcuts are allowed. >
Yep. See, just one. ;-) > > Dave -- Tony Peden <[EMAIL PROTECTED]> _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
