Altering The Brakes On A Freight Wagon?

Discussion in 'Technical Reports' started by 749006, Nov 9, 2024.

  1. 749006

    749006 Well-Known Member

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    The Brakes on the AP/Waggonz FWA seem to require a lower brake pipe pressure to activate than some of those on other wagons.
    When I apply the brakes they are slow to apply and when released I get a kick off them

    Conversely the Megafret wagons in the Class92 pack apply and release much smoother without any jolting of the train.

    Is it possible to change the setting on the FWA vehicles to make them run smoother?

    Thanks

    Peter
     
  2. 749006

    749006 Well-Known Member

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    Gary - any ideas?
     
  3. Spikee1975

    Spikee1975 Guest

    Just open the wagon blueprints of both, and see how the values are differing under the <TrainBrakeAssembly> section. Backup the original and apply the values of the car you feel is behaving as you want.
     
    Last edited by a moderator: Nov 11, 2024
  4. 749006

    749006 Well-Known Member

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    Thanks Peter,
    I will give that a try - I was unsure of the section I needed to look at.
     
  5. kyle#7957

    kyle#7957 New Member

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    I've fixed the FWA Wagon Brakes using the AP FSA/FTA Wagon, I'll send you them if you like and I can give instructions on how to do it
     
  6. kyle#7957

    kyle#7957 New Member

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    Here you go Peter
     

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  7. 749006

    749006 Well-Known Member

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    Thanks - what did you change?
     
  8. kyle#7957

    kyle#7957 New Member

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    I just changed the Train Brake Assembly to that used on the AP FSA/FTA Pack


    <TrainBrakeAssembly>
    <EngineSimulation-cTrainAirBrakeBlueprint d:id="2069">
    <BrakeType>
    <EngineSimulation-cTrainAirBrakeDataBlueprint d:id="2071">
    <EquipmentType d:type="cDeltaString">eAirSinglePipe</EquipmentType>
    <MaxForcePercentOfVehicleWeight d:type="sFloat32" d:alt_encoding="0000000000004940" d:precision="string">50</MaxForcePercentOfVehicleWeight>
    <Control/>
    <Handbrake>
    <EngineSimulation-cHandbrake d:id="2076">
    <MaxForce d:type="sFloat32" d:alt_encoding="000000000088A340" d:precision="string">2500</MaxForce>
    </EngineSimulation-cHandbrake>
    </Handbrake>
    <GraduatedRelease d:type="cDeltaString">eTrue</GraduatedRelease>
    <ProportionalBrake d:type="cDeltaString">eTrue</ProportionalBrake>
    <MaxReleaseRate d:type="sFloat32" d:alt_encoding="0000000000001C40" d:precision="string">7</MaxReleaseRate>
    <MaxApplicationRate d:type="sFloat32" d:alt_encoding="0000000000001C40" d:precision="string">7</MaxApplicationRate>
    <MaxCylinderPressure d:type="sFloat32" d:alt_encoding="0000000000004D40" d:precision="string">58</MaxCylinderPressure>
    <PressureForMaxForce d:type="sFloat32" d:alt_encoding="0000000000004D40" d:precision="string">58</PressureForMaxForce>
    <MaxSystemPressure d:type="sFloat32" d:alt_encoding="0000000000205240" d:precision="string">72.5</MaxSystemPressure>
    <MinSystemPressure d:type="sFloat32" d:alt_encoding="0000000000404840" d:precision="string">48.5</MinSystemPressure>
    <Distributor>
    <EngineSimulation-cBrakeDistributorBlueprint d:id="2087">
    <NormalFullReleasePressure d:type="sFloat32" d:alt_encoding="0000000000205240" d:precision="string">72.5</NormalFullReleasePressure>
    <FullServicePressure d:type="sFloat32" d:alt_encoding="0000000000404840" d:precision="string">48.5</FullServicePressure>
    <TrainPipeControlRatio d:type="sFloat32" d:alt_encoding="00000020AE470340" d:precision="string">2.41</TrainPipeControlRatio>
    <MaxEmergencyResPressure d:type="sFloat32" d:alt_encoding="0000000000005940" d:precision="string">100</MaxEmergencyResPressure>
    <MaxAuxResPressure d:type="sFloat32" d:alt_encoding="0000000000805140" d:precision="string">70</MaxAuxResPressure>
    <EmergencyApplicationPressure d:type="sFloat32" d:alt_encoding="0000000000004D40" d:precision="string">58</EmergencyApplicationPressure>
    </EngineSimulation-cBrakeDistributorBlueprint>
    </Distributor>
    <EmergencyBraking/>
    <AuxiliaryBraking>
    <EngineSimulation-cBaseAirBrakeBlueprint-cAuxiliaryBraking d:id="2096">
    <MaxChargingRate d:type="sFloat32" d:alt_encoding="0000000000003E40" d:precision="string">30</MaxChargingRate>
    <MaxReservoirPressure d:type="sFloat32" d:alt_encoding="0000000000005940" d:precision="string">100</MaxReservoirPressure>
    </EngineSimulation-cBaseAirBrakeBlueprint-cAuxiliaryBraking>
    </AuxiliaryBraking>
    <PressureUsedFromPipePerPoundGained d:type="sFloat32" d:alt_encoding="000000403333D33F" d:precision="string">0.3</PressureUsedFromPipePerPoundGained>
    <PressureGainedFromOnePipePounds d:type="sFloat32" d:alt_encoding="0000000000005940" d:precision="string">100</PressureGainedFromOnePipePounds>
    <RetainerType d:type="cDeltaString">eNoRetainer</RetainerType>
    <TripleValve d:type="cDeltaString">eFalse</TripleValve>
    <TripleValveRatio d:type="sFloat32" d:alt_encoding="0000000000000440" d:precision="string">2.5</TripleValveRatio>
    <RetainerSlowReleaseRate d:type="sFloat32" d:alt_encoding="0000000000002E40" d:precision="string">15</RetainerSlowReleaseRate>
    </EngineSimulation-cTrainAirBrakeDataBlueprint>
    </BrakeType>
    </EngineSimulation-cTrainAirBrakeBlueprint>
    </TrainBrakeAssembly>
     
  9. 749006

    749006 Well-Known Member

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    Ok, thanks.
    I will see if they are less jerky when braking
     
  10. 749006

    749006 Well-Known Member

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    I think something else has changed as all versions are appearing at the same time
    With the Mod all the tail lamps appear
    Screenshot_1 - Test Centre_51.11603-6.22351_12-01-53.jpg

    And all the liveries plus small & large containers appear
    Screenshot_1 - Test Centre_51.11587-6.22375_12-00-29.jpg

    Reverting to the Default bins and all is normal
    Screenshot_1 - Test Centre_51.11589-6.22418_12-00-09.jpg
     

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