pa-28 David Megginson, modified for AI use Brett Harrison Models/pa-28.ac propall prop propdisc select propdisc velocities/true-airspeed-kt 50 select prop velocities/true-airspeed-kt 60 spin propall velocities/true-airspeed-kt 90 -2.48050 0.00000 1.06520 -1.000 0.000 0.000