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Austrains 41 Class DCC Sound Installation

with Lighting Modification

Released March 2016 - Installations Now Available

The 41 class were a class of diesel locomotives built by British Thomson-Houston in the United Kingdom for the New South Wales Government Railways during 1953-54

In 1950 the New South Wales Government Railways ordered 10 diesel locomotives from Australian General Electric. The construction was then sublet to British Thomson-Houston with the body built by Metro Cammell, in the United Kingdom. The first loco No.4101 entered service on the 1st December 1953 with the last No. 4110 on the 10th February 1955. All were delivered painted in Verdant Green, then during the 1960s all were repainted Indian Red.


From their earliest days the locomotives were troublesome and suffered failures including overheating and fires. To overcome this problem the radiators were relocated further to the ends of all ten of the locomotives and air ducting was modified. In addition, two had their mufflers relocated and this modification was considered a success, but not rolled out across the rest of the 41 class. The locomotives were equipped to operate in multiples however the cooling system layout saw radiator heat passing from the leading locomotive to the trailing one, which resulted in the equipment being removed.

By the early 1960s the twin Paxman 12-RPHL engines showed signs they were coming to the end of their useful life, a repowering option was considered. With the cost of repowering and overhauling the 41 Class being two-thirds that of a new 48 Class and repair costs over nine times greater, it was decided not to proceed with this option.


After only four short years of service 4106 was withdrawn following two electrical fires. On April 1st, 1961, locomotive 4105 was withdrawn followed by 4108 on the 10th September 1969. When overhauls ceased for the rest of the class in 1972 each locomotive was then withdrawn from 1973 as they suffered a major failure. The final locomotive 4102 was withdrawn on the 19th July 1975 and is the only one in its class that was preserved.

The 41 class were mainly confined to metropolitan Sydney operating local trip workings and shunting at the Enfield yards.

In March 2016, Austrains released the 41 Class Locomotives which includes an 8 Pin socket for fitting a DCC decoder plus 2 solder pads for wiring the factory installed speaker to the decoder. In DCC all lights will operate directional.

We offer a light modification for this 41 Class to separate the lights for a more prototypical operation.

Each pair of front and rear marker lights can be controlled individually so when the locomotive is standing in a siding or shunting it can have both the front and rear red markers switched on at the same time as per NSWGR practice. The front and rear headlights can operate on/off non directional. You can also still operate all the light directional as the way the model was delivered.


For a Standard Light Modification we can separate the lights as follows.

1) Headlights - directional or front and rear to operate on/off with 2 individual function buttons

2) Front White Markers - on/off with 1 function

3) Front Red Markers - on/off with 1 function

4) Rear White Markers - on/off with 1 function

5) Rear Red Markers - on/off with 1 function

6) Directional Marker Lights

Unlike the real locomotive we also program all of the lights for directional operation for those who simply want directional lights

For this installation we recommend the ESU LokSound V4.0 (Sound) with our Custom Sound Project for the 41 Class or the LokPilot V4.0 (No Sound) for those not wishing sound.  We offer several different options of DCC installation for this model to suit all budgets and can supply the decoders only for the DIY installers.


We have tweaked the motor control of the ESU decoder to provide super slow smooth speeds at steps 1-8 of 128 (Speed step 1 of 28) which is perfect for shunting operations allowing the loco to move ever so slowly towards its rolling stock. Also for those wanting the locomotive to move off slowly and build up speed like the prototype. You will be impressed with the smooth slow speed motor control.

The DCC Solutions 41 Class Custom Sound Project packed with sounds and features!

Our Custom Sound Project is now available

The NSW 41 Class Custom Sound Project includes:

Two new features have been added to our Custom Sound Project. Coasting on demand and a working Independent Brake.

Coasting on Demand
This feature allows you to enter coasting mode whenever you what with a press of a button.Often when coming to a stop, the throttle of a real locomotive is put into Idle and the engineer coasts to a stop. Another situation that occurs is that once a train is up to speed when operating over
rolling terrain, the engineer can coast to maintain a certain speed. By pressing the coast function button, the sound drops from wherever you are to idle and remains there. Using the throttle speed control, you can now speed up or slow down the train with the sound remaining constant, at idle.
Press the function button to exit coasting and the sound will exit idle and return to whatever speed is set when exiting.
Independent Brake
Simply press the Independent Brake Function button and your loco will come to a stop at a much short distance than if you were to bring the loco to a stop by reducing the speed throttle.Press the function button to release the brake and your loco will move off again.


As well as:

Dual Paxman V12 Prime Mover

As the 41 Class Paxman engines were renowned for being rough at idling we have incorpated this in our Custom Sound Project.

Let you 41 class sit there idling and listen to how it idles...rough!!

Running low, then high, then missing a bit then maybe high again or possibly low, the idle simply does not run smooth like other diesel engines.  

Random Start-up sequences with Move Off and Stopping Sounds

When your locomotive begins to move you will hear the sounds of brakes releasing with random speed activated wheel squeal, rail noises and other sounds. Some of these sounds are random or speed sensitive that will turn on/off automatically depending on your take off speed. When the locomotive comes to a stop you will hear the squeal of the brakes, air releases and then the compressor will cut in automatically to fill the reservoirs with air until full and will cut out. F28 allows you to disable and enable these sounds.


Plus these great features:


  • Dual Paxman V12 Prime Mover
  • Coasting On Demand
  • Working Independent Brake.
  • Short Blast and Playable Single Chime Horn.
  • Random Start-up sequences.
  • Air and Brake Release Sounds when loco moves off and stops including Brake Squeal.
  • When the loco stops after braking the compressor cuts in to fill the reservoir and will turn off when the tanks are full.
  • Speed sensitive Wheel Squeal and Rail Noise when the loco moves off.
  • Separate Coupling and Uncoupling Functions
  • Stop & Drive Random Sounds including, compressor, rail noise, track wheel squeal, air releases
  • Wheel Flange Squeal
  • Guard's Whistle
  • And more (See below for full list)
  • Optional light modifications for individual light control for more protypical operation.
  • Low Beam/High Beam Headlight
  • Motor settings and sound volumes tuned to specifically suit the Austrains 41 Class Locomotive Model.
  • Slow Speed performance perfect for shunting
  • Full 28 function button remapping to suit your personal requirements.
  • Individual master sound volumes can be adjusted by the user to suit personal requirements.
  • DCC Solutions "MICRO" High Performance Dynamic Speaker which is only 4mm high with enclosure to improve the sound

INSTALLATION AND MODIFICATION FEATURES

Standard DCC Installation: Non sound decoder with no lighting modifications

Premium Sound Installation: ESU LokSound V4.0 with our Paxman V12 Custom Sound Project. No lighting modifications

Premium Sound Installation and Light Modification:  Upgrade to 6 Function lighting outputs with the DCC Solutions Light Modification to separate the lighting to have individual function control on your DCC controller including our V4.0 Custom Sound Project

Here is the selection of sound and function labels using the ESU V4.0 sound decoder with 6 Function Lighting Outputs.

SOUND and OUTPUT FUNCTION LABELS

Premium Light Modification and Sound Installation

Function                   Description   
      0   (HEADLIGHT)          Directional Headlights

      1                             Short Horn

      2    (HORN)                  Long Horn

      3                             Coupling

      4                             Uncoupling

      5                             Coasting On Demand

      6                             Independent Brake

      7                             Shunting Mode with Red Markers

      8                             Start Up/Shut Down/Mute

      9                             Front White Markers

    10                             Rear Red Markers

    11                             Rear White Markers 

    12                             Front Red Markers

    13                             Directional Marker Lights

    14                             Short Air Release

Function                   Description   
    15                             Fan

    16                             Air Compressor

    17                             Manual Brake Set/Release On/Off

    18                             Wheel Flange Squeal

    19                             NSWGR Guard's Whistle

    20                             Volume Control (+/-) Double Key Press

    21                             Volume Fader - Reduces Sound 50%

    22                             Headlight High Beam

    23                             Cab Door Open/Close

    24                             Sanding Valve

    25                             All Lights Directional

    26                             Manual Notching (Up)

    27                             Manual Notching (Down)

    28                             Disable Start Off and Stopping Sounds

Note: The above functions are for the LokSound V4.0 Decoder programmed with DCC Solutions Custom Sound File. The functions and sounds can be remapped for personal preference. To learn how to use these functions see the Info & Help page.