JSBSim Mass and balance: Difference between revisions

|Inertia. Higher values result in slower rolls than lower values. [http://www.eng.auburn.edu/~marghitu/MECH2110/C_4.pdf A technical summary of moments of inertia is here] or [http://en.wikipedia.org/wiki/Moment_of_inertia on Wikipedia here].  Generally the ixz, iyz, and ixy terms will be zero (because the x, y, and z axes are [http://en.wikipedia.org/wiki/Principal_axis_(mechanics)#Principal_axes_of_inertia principal axes]); the exception would be in the case of an extremely asymmetrical aircraft design or if your x, y, and z don't line up with any of the axes of symmetry of the aircraft.