this is the engine Specs
SystemType=PROP_ENGINE
InputName=THROTTLE_CONTROL
EngineID=1
SLPowerDry=1063000.00
ThrustAngles=0.0,0.0,0.0
ThrustPosition=0.0000,0.000,0.000
ThrottleRate=0.5
AltitudeTableNumData=10
AltitudeTableDeltaX=1524
AltitudeTableStartX=0.0
AltitudeTableData=1.000,0.990,0.990,0.990,0.990,0.990,0.970,0.700,0.100,0.000
TSFCM0=0.90
TSFCM1=1.26
SpinnerNodeName=Spinner
StaticPropNodeName=Prop
SlowPropNodeName=SlowProp
FastPropNodeName=FastProp
SlowPropRPM=600
FastPropRPM=2500
MaxPropRPM=3000
IdlePropRPM=500
BSFC=0.010
ExhaustEmitterName=CleanExhaustEmitter
ExhaustPosition=-0.5839,2.2828,-0.0172
FireSuppression=TRUE
MinExtentPosition=-0.69,2.12,-0.648
MaxExtentPosition=0.66,3.12,0.702
; new entries
AnimationID=
MaxPowerAnimationTime=0.1
MinPowerAnimationTime=0.3
PropRotationDirection=
ReversePropOrientation=FALSE
ConstantSpeed=TRUE
NumBlades=5
PropDiameter=2.00
MomentOfInertia=2.25
PropEfficiencyAdvanceRatioTableNumData=11
PropEfficiencyAdvanceRatioTableDeltaX=0.2
PropEfficiencyAdvanceRatioTableStartX=0.0
PropEfficiencyAdvanceRatioTableData=0.023,0.39,0.60,0.80,0.86,0.87,0.87,0.87,0.87,0.86,0.85