Jon Berndt wrote:It would be nice to be able to turn on some sort of cursor in FlightGear to show where the VRP and CG are. Maybe three lines through the point and parallel to the axis of the model. I think it would help aircraft design a lot, especially for neophytes and people modifying existing planes. This would be useful for gear and the viewpoint as well. I guess that would be something that SimGear would have to support.
If I understand the VRP correctly, for almost all the airplanes the VRP location will be 0 0 0
IFF (not a typo) the nose of the aircraft is coincident with (0,0,0) in structural coordinates, yes, your statement is true. Otherwise, wherever the nose tip is located in the structural frame - that's the VRP.
It should be 0,0,0 for all aeromatic initiated aircraft at least. It would like to have it somewhere else for my (hand created) aircraft like the F-16, F-15 and F-104.
Erik
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Josh
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