> On Monday 19 June 2006 22:45, Curtis L. Olson wrote: > > Melchior FRANZ wrote: > > > We have /position/altitude-agl-ft in the property tree (-0.1946648994 > > > ft). But what the (old) HUD code uses for "RadioAltimeter" is > > > > > > /position/altitude-ft - /position/ground-elev-ft = 6.202537 > > > > > > Clearly, the 6 ft make more sense than any negative number. What why > > > is altitude-agl-ft wrong? I'd need the 6.202537 in the property tree. > > > How would I call it? /position/correct-altitude-agl-ft, or what? :-} > > > > > > m. > > > > > > > > > /position/altitude-agl-ft = -0.1946648994 > > > /position/altitude-ft = 4527.586407 > > > /position/ground-elev-ft = 4521.38387 > > > > Could this have been introduced early on as a hack to compensate for a > > difference between the wheel contact point and some aircraft reference > > point higher up on the aircraft structure? It looks pretty > suspect to me.
> Which FDM did you try? > I know there is a subtle difference between JSBSim and YASim. > > I agree that these three properties should fit together. > I will look into that. > > Mathias I think this is working correctly with JSBSim. The altitude-agl-ft looks like it represents the bottom of the uncompressed gear tires, instead of the CG. Jon _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
