<kuid:768291:100552> Foden engine spec FINAL

Тип: steam-engine
Опубликовано: 15.09.2025 7:12:41
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Размер: 67.3 kB

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Foden Geared Locomotive Engine Spec. This was created for a small single cylindered Foden geared locomotive that was built using the boiler and power train from a Foden steam lorry. This engine spec should also work for other SINGLE cylindered locomotives.
The universal engine spec spreadsheet by Bill Fock was used as a guide, but the final magic numbers for the engine spec were developed over many test runs.

Boiler Pressure: 130psi
Cylinders (1): 8.66ins x 16ins
Driving Wheels: 3ft 0ins
Wheel Arrangement: 4-2-0T
Tractive Effort: 4144 lbs
Weight: 11t 0cwt
Max Speed (DCC): 15mph
Power Class: Unclassed

config.txt:

username                                "Foden engine spec FINAL"
kind                                    "steam-engine"
trainz-build                            3.7
flowsize
{
  trainbrakepipe                        170000
  epreservoirpipe                       0.1
  no3pipe                               0.1
  no4pipe                               0.1
  auxreservoirvent                      0.1
  auxreservoir_no3                      0.1
  auxreservoir_trainbrakepipe           0.1
  autobrakecylindervent                 0.1
  auxreservoir_autobrakecylinder        0.1
  equaliser_mainreservoir               0.06
  equaliservent                         0.06
  equaliserventhandleoff                0.1
  equaliserventemergency                0.1
  no3pipevent                           1.5
  no3pipe_mainreservoir                 0.1
  compressor                            5
  trainbrakepipe_reservoir              1
  trainbrakepipevent                    0.06
  no3pipe_autobrakecylinder             0.1
  epreservoirpipe_autobrakecylinder     0.1
  mainreservoir_ep                      0.1
  vacuumbrakepipe                       0.1
  vacuumbrakepipereleasevent            0.1
  vacuumbrakepipevent                   0.1
  vacuumbrakereservoir_vacuumbrakepipe  0.1
  vacuumbrakecylinder_vacuumbrakepipe   0.1
  highspeedexhauster_vacuumbrakepipe    0.1
}
mass
{
  scale                                 1
  fuel                                  "6215600"
}
motor
{
  resistance                            1.7
  adhesion                              4.95
  maxvoltage                            600
  maxspeed                              5.52
  brakeratio                            25000
  max-accel                             4000
  max-decel                             25000
  throttle-notches                      16
  axle-count                            3
  surface-area                          66
  moving-friction-coefficient           0.0492
  air-drag-coefficient                  0.0025
  driving-wheel-weight-ratio            0.8
}
pressure
{
  scale                                 1
  compressor                            0.009469
  mainreservoir                         0.009469
  highspeedexhauster                    0
  brakepipe                             0.005954
  brakeinitial                          0.005603
  brakefull                             0.003986
  indbrakefull                          0.003986
  trainbrakepipe_start                  0.004408
  epreservoirpipe_start                 0
  no3pipe_start                         0
  no4pipe_start                         0
  auxreservoir_start                    0.005041
  autobrakecylinder_start               0.0049
  vacuumbrakepipe_start                 0
  vacuumbrakereservoir_start            0
  vacuumbrakecylinder_start             0
  mainreservoir_start                   0.008766
  equaliser_start                       0.004408
  independantbrakecylinder_start        0.0049
}
steam
{
  number-cylinders                      1
  boiler-efficency-idle                 0.97
  boiler-efficency                      0.6
  boiler-efficency-min                  0.25
  number-power-strokes                  2
  hand-brake-max-force                  1000
  firebox-heating-surface-area          5.9
  boiler-volume                         0.83
  steam-chest-volume                    0.0145
  steam-chest-max-flow                  25
  max-fire-temperature                  746.200012
  min-fire-temperature                  672.400024
  initial-boiler-temperature            461
  fuel-energy                           33287357
  fuel-specific-heat-capacity           1380
  max-coal-mass                         236
  ideal-coal-mass                       118
  shovel-coal-mass                      4.7
  safety-valve-low-pressure             1216
  safety-valve-high-pressure            1241
  safety-valve-low-flow                 0.19
  safety-valve-high-flow                0.58
  water-injector-rate                   0.32
  water-injector-rate2                  0.32
  starting-boiler-steam                 2
  piston-volume-min                     0.0015
  piston-volume-max                     0.0166
  piston-area                           0.0379
  burn-rate                             0.244
  burn-rate-idle                        0.03
  speed                                 13.8
  blower-max-flow                       0.02
  blower-effect                         0.5
  piston-angular-offsets                0.1,1.6708
  firebox-thermal-conductivity          17
  super-heating-constant                0
  firebox-efficiency                    0.9
  valve-lap-percent                     0.1
  cutoff                                0.55
}
volume
{
  scale                                 1
  trainbrakepipe                        0.2
  epreservoirpipe                       0.2
  no3pipe                               0.2
  no4pipe                               0.2
  auxreservoir                          0.038468
  autobrakecylinder                     0.009694
  vacuumbrakepipe                       0
  vacuumbrakereservoir                  0
  vacuumbrakecylinder                   0
  mainreservoir                         1
  equaliser                             0.5
  independantbrakecylinder              0.010324
}
category-class                          "ZE"
category-era                            "1910s;1920s;1930s"
category-region                         "UK"
author                                  "KotangaGirl, Dreamwalker Wagon Works"
license                                 "Freeware.  Free to use and modify as you wish. Not to be bundled with or sold as payware."
description                             "Foden Geared Locomotive Engine Spec.  This was created for a small single cylindered Foden geared locomotive that was built using the boiler and power train from a Foden steam lorry. This engine spec should also work for other SINGLE cylindered locomotives.
The universal engine spec spreadsheet by Bill Fock was used as a guide, but the final magic numbers for the engine spec were developed over many test runs.

Boiler Pressure:     130psi
Cylinders (1):       8.66ins x 16ins
Driving Wheels:      3ft 0ins
Wheel Arrangement:   4-2-0T
Tractive Effort:     4144 lbs
Weight:              11t 0cwt
Max Speed (DCC):     15mph
Power Class:         Unclassed"
thumbnails
{
  0
  {
    image                               "$SCREENSHOT$.jpg"
    width                               240
    height                              180
  }
}
kuid                                    <kuid:768291:100552>
kuid-table
{
}

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$screenshot$.jpg	67.9 kB
Общий объём файлов:	67.9 kB

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kuid	kind	name	build	date	size
<kuid:768291:100552>	steam-engine	Foden engine spec FINAL	3.7	15.09.2025 7:12:41	67.3 kB

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