tc.ac material Ball Face Airplane 1.0 0.2 0.0 /sim/model//material/instruments/factor rotate Airplane /instrumentation/turn-indicator/indicated-turn-rate 20.0 -1 0 0 rotate Ball /instrumentation/slip-skid-ball/indicated-slip-skid 5.729 -5 5 0 0 0.25 -1 0 0