+Veltro2k Posted August 1, 2011 Posted August 1, 2011 What can cause this. it's like it needs its wheels balanced but seriously, when I apply power the airplane starts veering to the side of the runway..how can this be fixed ? Quote
+Dels Posted August 1, 2011 Posted August 1, 2011 Check rolling radius and friction, also check drag values. Additionally, if it's a multi-engine aircraft, check the thrust position/angles. Dels Quote
+Veltro2k Posted August 1, 2011 Author Posted August 1, 2011 Check rolling radius and friction, also check drag values. Additionally, if it's a multi-engine aircraft, check the thrust position/angles. Dels [Engine1] SystemType=JET_ENGINE InputName=THROTTLE_CONTROL EngineID=1 HasAfterburner=TRUE NumAfterburnerStages=4 SLThrustDry=86300.0 SLThrustWet=110000.0 ThrustAngles=0.0,0.00,0.0 ThrustPosition=-0.893,-9.491,0.193 ThrottleRate=0.5 NozzleAnimationID= IdleThrottle=0.10 IdleRPM=0.68 IdleNozzle=0.0 CruiseThrottle=0.37 CruiseRPM=0.82 CruiseNozzle=1.0 MilThrottle=0.65 MilRPM=1.00 MilNozzle=1.0 MaxThrottle=0.78 MaxRPM=1.00 MaxNozzle=1.0 FullABThrottle=1.12 FullABRPM=1.00 FullABNozzle=0.0 AltitudeTableNumData=10 AltitudeTableDeltaX=3048.0 AltitudeTableStartX=0.0 AltitudeTableData=1.000,0.802,0.634,0.546,0.471,0.378,0.296,0.197,0.105,0.000 DryMachTableNumData=4 DryMachTableDeltaX=0.4 DryMachTableStartX=0.0 DryMachTableData=1.000,0.980,1.172,0.000 WetMachTableNumData=7 WetMachTableDeltaX=0.4 WetMachTableStartX=0.0 WetMachTableData=1.000,0.991,1.207,1.683,2.473,2.750,3.027 MaxInletTemperature=120 GyroscopicInertia= TSFCM0=0.880 TSFCM1=1.290 AfterburnerTSFC=1.930 MinFuelFlow=0.02 AfterburnerEffectSize=1.36 ExhaustEmitterName=DirtyExhaustEmitter ExhaustPosition=-0.893,-9.491,0.193 AfterburnerNodeName=afterburnerfire2 AfterburnerEmitterName=AfterburnerEmitter MinExtentPosition=-1.13,-3.68,-1.02 MaxExtentPosition=-0.14, 1.36,-0.04 FireSuppression=TRUE GasTempMaxRPM=635.0 GasTempIdleRPM=420.0 GasTempChangeRate=5.0 OverheatTemp=750.0 DamageTempDelta=300.0 OilPressMaxRPM=35.0 OilPressIdleRPM=55.0 OilPressChangeRate=0.5 LowOilPress=12.0 LowOilTempDelta=400.0 [Engine2] SystemType=JET_ENGINE InputName=THROTTLE_CONTROL EngineID=2 HasAfterburner=TRUE NumAfterburnerStages=4 SLThrustDry=86300.0 SLThrustWet=110000.0 ThrustAngles=0.0,0.00,0.0 ThrustPosition=0.893,-9.491,0.193 ThrottleRate=0.5 NozzleAnimationID= IdleThrottle=0.10 IdleRPM=0.68 IdleNozzle=0.0 CruiseThrottle=0.37 CruiseRPM=0.82 CruiseNozzle=1.0 MilThrottle=0.65 MilRPM=1.00 MilNozzle=1.0 MaxThrottle=0.78 MaxRPM=1.00 MaxNozzle=1.0 FullABThrottle=1.12 FullABRPM=1.00 FullABNozzle=0.0 AltitudeTableNumData=10 AltitudeTableDeltaX=3048.0 AltitudeTableStartX=0.0 AltitudeTableData=1.000,0.802,0.634,0.546,0.471,0.378,0.296,0.197,0.105,0.000 DryMachTableNumData=4 DryMachTableDeltaX=0.4 DryMachTableStartX=0.0 DryMachTableData=1.000,0.980,1.172,0.000 WetMachTableNumData=7 WetMachTableDeltaX=0.4 WetMachTableStartX=0.0 WetMachTableData=1.000,0.991,1.207,1.683,2.473,2.750,3.027 MaxInletTemperature=120 GyroscopicInertia= TSFCM0=0.880 TSFCM1=1.290 AfterburnerTSFC=1.930 MinFuelFlow=0.02 AfterburnerEffectSize=1.36 ExhaustEmitterName=DirtyExhaustEmitter ExhaustPosition=0.893,-9.491,0.193 AfterburnerNodeName=afterburnerfire2 AfterburnerEmitterName=AfterburnerEmitter MinExtentPosition= 1.13,-3.68,-1.02 MaxExtentPosition= 0.14, 1.36,-0.04 FireSuppression=TRUE GasTempMaxRPM=635.0 GasTempIdleRPM=420.0 GasTempChangeRate=5.0 OverheatTemp=750.0 DamageTempDelta=300.0 OilPressMaxRPM=35.0 OilPressIdleRPM=55.0 OilPressChangeRate=0.5 LowOilPress=12.0 LowOilTempDelta=400.0 [NoseGear] SystemType=LANDING_GEAR Retractable=TRUE DeployTime=5.0 AnimationID=1 DragArea=0.25 HideGearNode=FALSE ModelNodeName=Gear_F ShockNodeName=Strutn ShockTravelAxis=Z-Axis InsideNodeName= ShockAnimationID= ShockStroke=0.20 SpringFactor=2.0 DampingFactor=1.0 WheelNodeName=Tire_FR WheelNodeName=Tire_FL RotationAxis=X-Axis RollingRadius=0.40 CastoringWheel=TRUE CastoringNodeName=Faxe Steerable=TRUE MaxSteeringSpeed=41.15 Locking=FALSE MaxSteeringAngle=45.0 InputName=YAW_CONTROL ControlRate=1.0 HasBrakes=FALSE RollingCoefficient=0.05 MaxDeploySpeed=160.00 MaxLoadFactor=5.0 [LeftMainGear] SystemType=LANDING_GEAR Retractable=TRUE DeployTime=5.0 AnimationID=1 DragArea=0.50 HideGearNode=TRUE ModelNodeName=Gear_L ShockNodeName= ShockTravelAxis=Y-Axis ShockStroke=0.20 SpringFactor=4.0 DampingFactor=2.0 WheelNodeName001=TIRELF WheelNodeName001=TIRELR RotationAxis=X-Axis RollingRadius=0.50 CastoringWheel=FALSE HasBrakes=TRUE BrakingCoefficient=0.75 RollingCoefficient=0.05 MaxDeploySpeed=160.00 MaxLoadFactor=6.0 [RightMainGear] SystemType=LANDING_GEAR Retractable=TRUE DeployTime=5.0 AnimationID=1 DragArea=0.50 HideGearNode=TRUE ModelNodeName=Gear_R ShockNodeName= ShockTravelAxis=Y-Axis ShockStroke=0.20 SpringFactor=4.0 DampingFactor=2.0 WheelNodeName001=TIRERF WheelNodeName001=TIRERR RotationAxis=X-Axis RollingRadius=0.50 CastoringWheel=FALSE HasBrakes=TRUE BrakingCoefficient=0.75 RollingCoefficient=0.05 MaxDeploySpeed=160.00 MaxLoadFactor=6.0 Quote
+ravenclaw_007 Posted August 1, 2011 Posted August 1, 2011 (edited) i had a similar issue on the Bucc there was one value on the wing positive in stead of negative Edited August 1, 2011 by ravenclaw_007 Quote
+Dels Posted August 1, 2011 Posted August 1, 2011 Well none of the obvious culprits are visible. Can you try rolling down the runway at various power settings to assess when the yaw starts to kick in and/or the severity at various speeds/power settings. If it's move evident at faster speeds then it could be a drag value of an aircraft component. In line with this, does the aircraft fly in balance (i.e. skid ball central)? Dels Quote
+Spillone104 Posted August 1, 2011 Posted August 1, 2011 Ed, try to look in your 3D file and see if for exhample the left wing have a simmetrical pivot point with the right one. There are some aircrafts that have this issues with pylons. When you load weapons on them they have all the weigh on a side because the pylons have the pivot in wrong position. Quote
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