Loco Model BR#5526 "Light Prarie Tank" 2-6-2 engine Scheme

Loco Model BR#5526  "Light Prarie Tank"  2-6-2 engine Scheme

Under the Whyte notation for the classification of steam locomotives, 2-6-2 represents the wheel arrangement of two leading wheels, six coupled driving wheels and two trailing wheels. This arrangement is commonly called a Prairie.

They were designed as small mixed traffic branch locomotives, mainly used on branch lines. They were a development of Churchward's 4500 Class with larger side tanks and increased water capacity. 100 were built numbered 4575–4599 and 5500–5574. A number were fitted with auto apparatus in 1953 to enable them to run push-pull trains on South Wales lines with auto trailers.

https://en.wikipedia.org/wiki/GWR_4575_Class

Sound Projects

There is 1 Sound Project for this Locomotive
BR_44xx 8 bit project by Digitrax, Inc, added on July 20, 2011

Digitrax, British Rail 2-6-2 (light Prarie Tank Engine) Class 44XX, GW# 5526 Sound scheme. Copyright (c) Digitrax Inc. Nov27 2007
(Initial project release- check web site for other versions)

project: BR_44XX.spj
SDF: BR_44XX
Author AJ Ireland
Digitrax Inc.

(A) Function Key Usage:

F0- Lights (no UK sounds)
F1- Short Whistle- leave F1 ON to allow automatic whistles on start
F2- Whistle
F3- Coal Shovel cycle- Leave F3 ON to allow automatic coaling set by CV147
F4- Vacuum pump manual ON (when moving)
F5- Water injector
F6- Steam Cylinder Blowdown
F7- Wheelslip
F8- Mute control, [F8 ON is muted.]
F9- Brake squeal
F10- Power Sander
F11- Power Greaser- When speed=0!
F12- Safety Steam Blowoff

 

(B) 2-6-2 (light Prarie Tank Engine) Class 44XX Sound FX defined CV's: [decoder CV8=8 reset value in brackets]

CV58 Master Volume, 0-15, 0= max, (F8 used for Mute) [9]
CV60 Scheme select CV, 0=Steam, [0]


CV121 Software Version, MUST be 2 or higher [3] (Read Only Value)
CV122 Product TYpe, 12 = Digitrax SFX sound decoder Read Only Value
CV123 Hardware Version, 17= SDH104K1 decdoer Read Only Value
CV124 Flash Signature [2] (Read Only Value)
CV125 16KB free blocks [0] (Read Only Value)
CV126 FAT flags [7] (Read Only Value)
CV127 Internal Flags [0] (Read Only Value)
CV128 IPL counter [0] (Read Only Value)

CV133 Steam Chuff/CAM config, 128=>EXT cam, 1-127=>DRIVER dia in inches[63]
CV134 Steam gear ratio trim, 32=100% ratio, [32]
CV135 Volume when Muted 0-64 [0]

User configurable SoundCV's:

CV140 PRIME mover chuff vol 0-64 [60]
CV142 WHISTLE vol 0-64 [60]
CV143 Air features vol (popoff,drier,comp) 0-64 [30]
CV145 Coal/Sander vols 0-64 [40]
CV147 Coal Shovel rate, (1= about 2secs) 1-64 [50]
CV148 Water Injector rate [30]
CV149 Vacuum Pump rate [25]
CV150 Whistle Selector,0=std , 1=Playable volume [0]
CV152 Author ID Digitrax=0xDD/221 [221]
CV153 Project ID GW 5526 [15]
CV154 Steam Blowdown/Safety vol 0-64 [60]

CV160 Variant ID [4]

(C) General Notes

This sound recording courtesy of South Devon Heritage Railway, Buckfastleigh, Devon, UK. Visit arranged by Ted Smale.
All sounds recorded by AJ Ireland at Buckfastleigh, Devon, UK June 11th 2007.

Each engine we have recorded has a distinct 'personality', so a particular locomotive example may sound slightly different
due to unique e.g. tappet, crank-rate shell vibrations and exhaust-stack, chuff differences. Horns and bells are often moved between locomotives, and
some roads may change/upgrade prime-movers, or change a normally aspirated engine with turbo-chargers etc.

 

project: BR_44XX.spj SDF: BR_44XX Author AJ Ireland Digitrax Inc.

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