tach.ac rotate TurbineNeedle1 engines/engine[0]/n2-pct 035 50151 100267 140360 -1 material TurbineNeedle1 TurbineNeedle2 RotorNeedle 0.6 0.3 0.3 controls/lighting/instruments-norm rotate TurbineNeedle2 engines/engine[1]/n2-pct 035 50151 100267 140360 -1 rotate RotorNeedle rotors/main/rpm 035 221151 442267 619360 -1