For testing Concorde Takeoff The aircraft is trimmed on-ground. simulation/sim-time-sec ge 0.25 The starter for both engines is turned on. simulation/sim-time-sec ge 5.0 Cutoff is turned off, allowing fuel to flow. propulsion/engine[0]/n2 ge 15.0 propulsion/engine[0]/n2 propulsion/engine[1]/n2 propulsion/engine[2]/n2 propulsion/engine[3]/n2 propulsion/starter_cmd propulsion/engine[0]/thrust-lbs propulsion/engine[1]/thrust-lbs propulsion/engine[2]/thrust-lbs propulsion/engine[3]/thrust-lbs Move throttle to full for take-off. propulsion/engine[0]/n2 ge 60.0 5.0 propulsion/engine[0]/n2 propulsion/engine[1]/n2 propulsion/engine[2]/n2 propulsion/engine[3]/n2 propulsion/engine[0]/thrust-lbs propulsion/engine[1]/thrust-lbs propulsion/engine[2]/thrust-lbs propulsion/engine[3]/thrust-lbs velocities/vc-kts velocities/vc-kts ge 170 velocities/vc-kts position/h-agl-ft aero/alpha-deg gear/gear-pos-norm simulation/sim-time-sec ge 80 propulsion/engine[0]/n2 propulsion/engine[1]/n2 propulsion/engine[2]/n2 propulsion/engine[3]/n2 propulsion/engine[0]/thrust-lbs propulsion/engine[1]/thrust-lbs propulsion/engine[2]/thrust-lbs propulsion/engine[3]/thrust-lbs velocities/vc-kts