Open Rails - General Wagon Parameters
Aim - this section describes the basic standard physics parameters required to correctly define wagons and wagon functions in Open Rails Train Simulator.
If you wish to provide any feedback on this page, please use the contact page. It would be great to have some feedback as this helps to ensure the accuracy of the information and models.
Index
Note: The default unit of measure (UoM) shown in the "Recommended Input Units" column is the UoM value that OR assumes if no UoM is included in the parameter statement.
| Parameter | ENG or WAG | Description | Recommended Input Units | Suggested settings | New or Existing | Typical Examples |
|---|---|---|---|---|---|---|
| General Parameters | ||||||
| ORTSNumberAxles ( x ) | WAG | The number of axles on the wagon. | Integer | As per wagon specifications. | New | ORTSNumberAxles ( 4 ) |
| ORTSNumberBogies ( x ) | WAG | The number of bogies on the car. | Integer | As per wagon specifications. | New | ORTSNumberBogies ( 2 ) |
| NumWheels ( x ) | WAG | This value is no longer required and has been superceded by the sum of ORTSNumberAxles and ORTSNumberDriveAxles. | Superceeded | Do not use. | ||
| ORTSLengthBogieCentre ( x ) | WAG | Distance between the bogies. | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per wagon specs | New | ORTSLengthBogieCentre ( 35ft ) |
| ORTSLengthCarBody ( x ) | WAG | Distance between the ends of the car (typically coupler pivot points). | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per wagon specs | New | ORTSLengthCarBody ( 45ft ) |
| ORTSLengthCouplerFace ( x ) | WAG | Distance between coupler connection points. | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per wagon specs | New | ORTSLengthCouplerFace ( 47ft ) |
| ORTSWheelFlangeLength ( x ) | WAG | Wheel flange length is defined as the length of flange starting from the beginning of the maximum flange angle to the point where flange angle reduces to 26.6 degrees. | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per wheel profile specs | New | ORTSWheelFlangeLength ( 1.0in ) |
| ORTSMaximumWheelFlangeAngle ( x ) | WAG | Wheel flange angle is defined as the maximum angle of the wheel flange relative to the horizontal axis. | Angle - deg, rad Default - rad | As per wheel profile specs | New | ORTSMaximumWheelFlangeAngle ( 70deg ) |
| Carriage Steam Heating | ||||||
| ORTSHeatingWindowDeratingFactor ( x ) | WAG | Describes the fraction of the car side that is occupied by windows. More heat loss ocurs through windows, then solid car sides. | Integer | As per wagon specifications. | New | ORTSHeatingWindowDeratingFactor ( 0.25 ) |
| ORTSHeatingCompartmentTemperatureSet ( x ) | WAG | The temperature that the car thermostat is set to. | Temperature - degf, degc Default - degc | As per wagon specifications. | New | ORTSHeatingCompartmentTemperatureSet ( 18.3 ) |
| ORTSHeatingCompartmentPipeAreaFactor ( x ) | WAG | A factor that adjusts the heating area of the steam heater in the passenger compartment | Integer | As per wagon specifications. | New | ORTSHeatingCompartmentPipeAreaFactor ( 3.0 ) |
| ORTSHeatingTrainPipeOuterDiameter ( x ) | WAG | Outer diameter of the main steam pipe that runs the length of the train | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per wagon specifications. is used to calculate standard resistance values.) | New | ORTSHeatingTrainPipeOuterDiameter ( 2.5in ) |
| ORTSHeatingTrainPipeInnerDiameter ( x ) | WAG | Inner diameter of the main steam pipe that runs the length of the train | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per Wagon Specs | New | ORTSHeatingTrainPipeInnerDiameter ( 2.0in ) |
| ORTSHeatingConnectingHoseOuterDiameter ( x ) | WAG | Outer diameter of the connecting hose between carriages. | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per wagon specs | New | ORTSHeatingConnectingHoseOuterDiameter ( 2.05in ) |
| ORTSHeatingConnectingHoseInnerDiameter ( x ) | WAG | Inner diameter of the connecting hose between carriages. | Distance - m, cm, mm, km, in, ft, in/2 Default - m | As per wagon specs | New | ORTSHeatingConnectingHoseOuterDiameter ( 1.5in ) |
| ORTSWagonSpecialType ( x ) | WAG | Special use wagon. | Text HeatingBoiler = Steam heat boiler installed Heated = Car is heated. | As per wagon specs | New | ORTSWagonSpecialType ( Heated ) |
| ORTSHeatingBoilerWaterUsage ( x y ) | WAG | Water usage for the steam heating boiler, and is a table with a series of x and y parameters | x = steam usage (lb/hr) and y = water usage (g-uk/hr) | As per wagon specs | New | ORTSHeatingBoilerWaterUsage ( ) |
| ORTSHeatingBoilerFuelUsage ( x y ) | WAG | Fuel usage for the steam heating boiler, and is a table with a series of x and y parameters. | x = steam usage (lb/hr) and y = water usage (g-uk/hr) | As per wagon specs | New | ORTSHeatingBoilerFuelUsage ( ) |
| ORTSHeatingBoilerWaterTankCapacity ( x y ) | WAG | Feed water tank capacity for the steam boiler | Volume - ft^3, in^3, m^3, l, g-uk, g-us, gal, gals Default - l | As per wagon specs | New | ORTSHeatingBoilerWaterTankCapacity ( 1500 ) |
| ORTSHeatingBoilerFuelTankCapacity ( x y ) | WAG | Fuel tank capacity for the steam heating boiler. Applies to steam heating boiler cars only. | Volume - ft^3, in^3, m^3, l, g-uk, g-us, gal, gals Default - l | As per wagon specs | New | ORTSHeatingBoilerFuelTankCapacity ( 800g-uk ) |