LJ35 performance computer Takeoff numbers Flaps 8 Flaps 20 Runway Elevation Total Weight Temperature (F) N1: % V1: knots Vr: knots V2: knots Flaps retraction: knots Runway Distance: ft Landing numbers Runway Elevation Weight Temperature (F) Runway Distance (actual): ft Runway Distance (factored): ft Vref: ft Approach speed: ft