caravan.ac HeliceComplete propdisc propblur helice bol select propdisc velocities/true-airspeed-kt 0 select propblur velocities/true-airspeed-kt 0 velocities/true-airspeed-kt 60 select helice velocities/true-airspeed-kt 60 spin HeliceComplete velocities/true-airspeed-kt 1 -5.911 0.000 0.433 1 0 0