[steamer_ctn]

Fablok, on 24 August 2016 - 07:19 AM, said:

In books there is only writen that polish steam engines have Westinghouse or Knorr brake system. No specyfic model. So I heve hope that You will help.

I would only be guessing, but I suspect that for a steam locomotive, it is more then likely that it was an A-6-ET brake system.

Hopefully somebody else can confirm for you.

Icik, on 24 August 2016 - 11:25 AM, said:

Minimal reduction??? Why? It dosn´t in real life exist! In this position is just closure of brake pipe for test of leak.

What do you mean that it doesn't work in real life?

As far as I can tell it was a working position on a 26-L type brake system.

Search the 26-L document on the brakecontrollers page for "Minimum Reduction". For a picture of the brake valve positions refer to this page.

[Icik]

steamer_ctn, on 24 August 2016 - 02:00 PM, said:

What do you mean that it doesn't work in real life?

As far as I can tell it was a working position on a 26-L type brake system.

Search the 26-L document on the brakecontrollers page for "Minimum Reduction". For a picture of the brake valve positions refer to this page.

Yes, on 26-L can be - now I know it :-). But in our train we have BS2 controller and there is no minimal reduction position.

[Coolhand101]

I'm getting an error if i use 'TrainBrakesControllerMinimalReductionStart' as startup notch on the trainbrake? ie

Brake_Train ( 0 1 0.0125 0.20                
            NumNotches ( 6
                    Notch ( 0    0 TrainBrakesControllerReleaseStart )
                    Notch ( 0.20 0 TrainBrakesControllerMinimalReductionStart )
                    Notch ( 0.30 1 TrainBrakesControllerGraduatedSelfLapLimitedHoldingStart )
                    Notch ( 0.90 0 TrainBrakesControllerContinuousServiceStart )
                    Notch ( 0.95 0 TrainBrakesControllerEmergencyStart )
                    Notch ( 1.00 0 TrainBrakesControllerNeutralHandleOffStart )
                    )
            )

Error

Error: System.NullReferenceException: Object reference not set to an instance of an object.
   at Orts.Simulation.RollingStocks.SubSystems.Controllers.MSTSBrakeController.UpdatePressure(Single& pressureBar, Single elapsedClockSeconds, Single& epControllerState) in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\RollingStocks\SubSystems\Controllers\MSTSBrakeController.cs:line 126
   at Orts.Simulation.RollingStocks.SubSystems.Controllers.ScriptedBrakeController.UpdatePressure(Single& pressurePSI, Single elapsedClockSeconds, Single& epControllerState) in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\RollingStocks\SubSystems\Controllers\BrakeController.cs:line 334
   at Orts.Simulation.Physics.Train.UnconditionalInitializeBrakes() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\Physics\Train.cs:line 3215
   at Orts.Simulation.Physics.Train.InitializeBrakes() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\Physics\Train.cs:line 3190
   at Orts.Simulation.Simulator.SetPlayerLocomotive(Train playerTrain) in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\Simulator.cs:line 547
   at Orts.Simulation.Simulator.InitialPlayerLocomotive() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\Simulator.cs:line 535
   at Orts.Simulation.Simulator.InitializePlayerTrain() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\Simulator.cs:line 1097
   at Orts.Simulation.Simulator.InitializeTrains(CancellationToken cancellation) in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\Simulator.cs:line 494
   at Orts.Simulation.Simulator.Start(CancellationToken cancellation) in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\Orts.Simulation\Simulation\Simulator.cs:line 385
   at Orts.Viewer3D.Processes.GameStateRunActivity.Start(UserSettings settings, String acttype, String[] args) in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\RunActivity\Viewer3D\Processes\GameStateRunActivity.cs:line 275
   at Orts.Viewer3D.Processes.GameStateRunActivity.<>c__DisplayClass8.<Load>b__3() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\RunActivity\Viewer3D\Processes\GameStateRunActivity.cs:line 149
   at Orts.Viewer3D.Processes.GameStateRunActivity.Load() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\RunActivity\Viewer3D\Processes\GameStateRunActivity.cs:line 190
   at Orts.Viewer3D.Processes.LoaderProcess.Load() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\RunActivity\Viewer3D\Processes\LoaderProcess.cs:line 158
   at Orts.Viewer3D.Processes.LoaderProcess.DoLoad() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\RunActivity\Viewer3D\Processes\LoaderProcess.cs:line 138
   at Orts.Viewer3D.Processes.LoaderProcess.LoaderThread() in e:\Documents\Coding\Jenkins\jobs\Open Rails Unstable\workspace\Source\RunActivity\Viewer3D\Processes\LoaderProcess.cs:line 109
   at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()

Brake_Train( 0 1 0.0125 0.20

change the 0.20 to any other notch or figure, the error is gone?

[copperpen]

The MSTS brake tokens are laid out in order of use. In this order, TrainBrakesControllerMinimalReductionStart comes after TrainBrakesControllerGraduatedSelfLapLimitedHoldingStart

[Coolhand101]

copperpen, on 25 August 2016 - 12:41 PM, said:

The MSTS brake tokens are laid out in order of use. In this order, TrainBrakesControllerMinimalReductionStart comes after TrainBrakesControllerGraduatedSelfLapLimitedHoldingStart

After? But you need a '1' for the gradutated self lapping brakes, you have to go through 100% to reach the "MinimalReductionStart" which should be the first notch after release called 'Initial' or 1st service? Then the graduated brake starts from (example) 15 psi to 55 psi.

Anyway, tried it that way but the error still occurs if 'TrainBrakesControllerMinimalReductionStart' is used as the startup position for the train brake.

Thanks

[steamer_ctn]

Icik, on 25 August 2016 - 06:46 AM, said:

Yes, on 26-L can be - now I know it :-). But in our train we have BS2 controller and there is no minimal reduction position.

Thanks for the clarification.

Out of curiosity, are you able to point to a brake manual describing the BS2 controller?

Coolhand101, on 25 August 2016 - 01:04 PM, said:

Anyway, tried it that way but the error still occurs if 'TrainBrakesControllerMinimalReductionStart' is used as the startup position for the train brake.

I hopefully have fixed a small code issue that prevented this token from initialising correctly (#3613), though I am not sure whether this is the best token to intialise the brake system in.

As has been stated it is necessary to ensure that the tokens are in the correct sequence for the brake controller being modeled.

[copperpen]

Brake Notch Token Names
The available Train (automatic) Brake tokens are:

TrainBrakesControllerFullQuickReleaseStart
TrainBrakesControllerGraduatedQuickReleaseStart
TrainBrakesControllerReleaseStart
TrainBrakesControllerHoldStart
TrainBrakesControllerEPApplyStart
TrainBrakesControllerEPHoldStart
TrainBrakesControllerRunningStart
TrainBrakesControllerSelfLapStart
TrainBrakesControllerGraduatedSelfLapStart
TrainBrakesControllerGraduatedSelfLapLimitedStart
TrainBrakesControllerNeutralhandleOffStart
TrainBrakesControllerMinimalReductionStart
TrainBrakesControllerApplyStart
TrainBrakesControllerFullServiceStart
TrainBrakesControllerSuppressionStart
TrainBrakesControllerContinuousServiceStart
TrainBrakesControllerEmergencyStart

To define notches that do not have any specific function, but simply act as détentes within a range, name the notches “dummy”.
The order these are in is important. If they do not occur in this order then the controller will not work properly. A selection of these is normally used.

[Coolhand101]

The 26L brake is the closest match to most ex BR locos. As you can see in my setup, the min reduction start is the second notch as per this brake. I need self lapping after the min reduction start. Full service should lower the brake pipe to the full service reduction pressure. Continuous service should vent the brake pipe to zero. These two are reversed in OR. I have had these setups for years. All work 100% regardless of the order, except for the initial startup of the train brake using minimal reduction start.
Thanks

[copperpen]

Looking at the CTN brakes page, I can not see any mention of how TrainBrakesControllerGraduatedSelfLapLimitedHoldingStart fits in to the new OR brake token system.

http://www.coalstone...akecontrollers/ lists the controller tokens currently used in the new brake code, 26-L among them.

[Coolhand101]

copperpen, on 27 August 2016 - 02:49 AM, said:

Looking at the CTN brakes page, I can not see any mention of how TrainBrakesControllerGraduatedSelfLapLimitedHoldingStart fits in to the new OR brake token system.

http://www.coalstone...akecontrollers/ lists the controller tokens currently used in the new brake code, 26-L among them.

That is correct but CTN does state 'currently proposed only'.

On the real thing, between minimal reduction and full service, the brake is gradutated, as stated on the CTN page. In OR, i cannot get a graduated brake between minimal reduction and full service without the above token!

Thanks