<metrics> <wingarea unit="FT2"> 174.0 </wingarea> <wingspan unit="FT"> 35.83 </wingspan> <chord unit="FT"> 4.9 </chord> <htailarea unit="FT2"> 27.0 </htailarea> <vtailarea unit="FT2"> 12.5 </vtailarea> <location name="AERORP" unit="IN"> <x> 128.0 </x> <y> 0.0 </y> <z> 0.0 </z> </location> </metrics>
Save your c172_tutorial.xml inside a folder called aircraft/c172_tutorial/ . jsbsim tutorial