RE: [Flightgear-devel] JSBSim 0.9 followup: 737 VRP

2006-01-14 Thread Jon S. Berndt
> Looks like this was just due to extremely imprecise testing methods: the > plane starts to turn just normally when at 0 ground speed, e.g. when > starting to hold the break before turning the engine up. As soon as it > passes a certain speed threshold it breaks out of the circle and moves > mainl

Re: [Flightgear-devel] JSBSim 0.9 followup: 737 VRP

2006-01-14 Thread Stefan Seifert
I think finally I got the right idea: look at how it's done in the old version of the file, before the update. Looks like it's neither gear, nor CG, but something in the same area. Restored the values and everything looks fine now. But there's still one thing I'm curious about. Does it just

RE: [Flightgear-devel] JSBSim 0.9 followup: 737 VRP

2006-01-14 Thread Jon S. Berndt
> Thanks for clearing that. Documentation is a little hard to find. As I'm > neither the flight modeler nor the 3D modeler of this plane I've no > ideas about the intention. I can only judge on the visual reactions to > input. And that seems to be right when the VRP is set to the CG. I don't > know

Re: [Flightgear-devel] JSBSim 0.9 followup: 737 VRP

2006-01-14 Thread Stefan Seifert
Jon S. Berndt wrote: The VRP can be anywhere, but the 3D modeler and the flight modeler have to agree on what it is. It is by convention supposed to be the nose of the aircraft - both the flight modeler and the 3D modeler will know where that is. The flight model can report to FlightGear any lat/

RE: [Flightgear-devel] JSBSim 0.9 followup: 737 VRP

2006-01-14 Thread Jon S. Berndt
> And of course two minutes after posting I noticed that the location was > still not correct. The CG is obviously the right choice, which is > visible with activated shadows... > So attached the new patch which obsoletes the other one. > Nine Still not quite right. There have been long discussi

Re: [Flightgear-devel] JSBSim 0.9 followup: 737 VRP

2006-01-14 Thread Stefan Seifert
Stefan Seifert wrote: I noticed that after the upgrade to JSBSim 0.9 the 737 seemed to rotate around the wrong center. When looking at the config file I noticed that the VRP (which I'd guess means visual reference point) was at 0/0/0. I changed it according to http://baron.flightgear.org/piper

[Flightgear-devel] JSBSim 0.9 followup: 737 VRP

2006-01-14 Thread Stefan Seifert
Hi, I noticed that after the upgrade to JSBSim 0.9 the 737 seemed to rotate around the wrong center. When looking at the config file I noticed that the VRP (which I'd guess means visual reference point) was at 0/0/0. I changed it according to http://baron.flightgear.org/pipermail/flightgear-f