de Havilland DH.82 Tiger Moth Brett Harrison Models/DH82.ac 12.428 propall prop propdisc select propdisc velocities/true-airspeed-kt 25 select prop velocities/true-airspeed-kt 30 zzaa spin propall velocities/true-airspeed-kt 27 -1.5800 0.00000 1.6271 -1.000 0.000 0.000 rotate velocities/true-airspeed-kt 0.0 0.0 25 0.0 45 -12.428 0.0 0.0 0.0 0.0 1.0 0.0