BR type 2 class 24-25-26

BR type 2 class 24-25-26

The BR Class's 24-25-26 where all designated Type 2. Class 24s where built at Derby Darlington and Crewe Loco Works 1958-1961.151 in total were produced. Equipped with Sulzer 6LDA28 1160 hp ,Prime Movers and and a top speed of only 75 mph. To improve upon speed the Class 25 was introduced which had the Sulzer 6LDA28-B Prime Mover at 1250 hp and top speed of 90mph. 327 Class 25 locos were built at the same loco works. The Class 26s where Built at the Birmingham Carriage and Wagon Company 47. They were built between 1958-1959, with a Sulzer 6LDA-28 1160hp Prime Mover, with a top speed of 80mph.

Sound Projects

There are 2 Sound Projects for this Locomotive
BR Class 25 16 bit project by Barry's Bits, added on May 14, 2014

Project: BR Class 25 C (copyright) 1/4/2014
SDF:  2nd Generation Diesel reworked by Dave C :converted by Barry T Gaskin for 16 Bit use
Author: Barry T Gasin

(A) Function Key Usage:

F0-     Lights
F1-    Shutdown Engine
F2-     Horn          
F3-     Horn 2        
F4-     Air features disable        [F4 off enables drier and compressor]
F5-     Air Break release        [Leave on to sound each time before moving off]
F6-     Manual notch up            [If CV155 is not 00]
F7-     Manual notch down        [If CV155 is not 00]
F8-     Mute control            [F8 to ON is muted]
F9-     Brake squeal            [Leave F9 on for auto brakes]
F10-     User Sound            [Fan]
F11-     User Sound            [Tyre squeel]
F12-     User Sound            [Sander]

(B)    Sound FX defined CVs:         [sound project download reset value in sq. brackets]

CV58    Master Volume, 0-15        [9]
CV122    Product type, 12 = Digitrax SFX sound decoder     (Read Only Value)
CV123    Hardware version                   (Read Only Value)
CV132    Notch rate (higher values = closer spacing)    [64]
CV135    Volume when muted                [00]
CV140    Prime mover volume            0-64    [40]
CV141    Not Used                    [25]
CV142    Horn volume                0-64    [60]
CV143    Air features volume            0-64    [20]
CV144    Air Release volume            0-64    [50]
CV145    Misc volumes                 0-64    [20]        
CV146    Not Used                    [0]
CV147    Drier rate (1 = about 2 secs)          1-64    [10]
CV148    Compressor start rate            1-100    [30]
CV149     Compressor run time            1-100    [20]
CV150    Not Used                    [0]
CV151     Not Used                    [0]
CV152    Author ID    Alex Stroshane = 0xAA        [170]
CV153    Project ID    2nd Generation Diesel        [10]
CV154    Not Used                    [0]
CV155    Notching mode: 0 = Auto, 1 = Semiauto, 2 = Manual [0]    
CV156    Startup master volume            0-255    [192]
CV157    Notch Resume in seconds    0=off        0-64    [06]
CV158    Apply driving style    0=on, 1= off         [01]


(C) General Notes

B Gaskin

This is a rework of the project listed below, all credit to the orignal authors.

This rework has a reduced number of notch's and redefined functions to suit a UK locomotive better.
CV158 defines a driving style, if this is set to 0 (on) then the loco will notch up whenever the
Digitrax internal notch increases and decrease whenever the Digitrax notch increases. as there are
less playable notches than digitrax notchs this means that the loco can coast when decelerating
CV157 sets a maximum amount of time in seconds that the loco can coast for, after this time the
loco starts to resume the notch defined for the speed of the loco.

e.g.

Playing Notch    Digitrax Notch
1        1
2        2
3        3
4        4
5        5
5        6
5        7
4        6    - when you start to reduce the speed the notch reduces to allow the loco to coast
3        5
2        4
1        3    - speed held setady and loco continues to coast
1        3
1        3
2        3    - after the number of seconds set in CV 157 the loco starts to resume the actual power notch
3        3    
etc.


This is a functional beta version of a project using individual sound recordings for each prime mover notch setting. These
prime mover sounds can be played in three modes determined by CV155: automatic, semi-automatic and manual notching. In auto
mode, the prime mover notch is determined by the current speed setting, and is adjustable using CV132. In semi-auto mode,
the same is true but it is possible to "throttle up" to higher notches using F6 and F7, if you want your engine to sound
like it is working harder. Manual mode offers full control of the notch setting using F6 and F7, so you can throttle down
to idle and turn on dynamic braking while coasting downgrade.

Other features available in this project include:
- Choice of 2 different horns
- Choice of 2 different bells
- Automatic grade crossing horn sequence with bell
- Optional highball and backup horn signals while stopped
- Dynamic brakes at speed, or handbrake while stopped
- Automatic coupler sounds when changing direction at low speeds
- Automatic brake squeal sounds when decelerating to a stop
- Additional user-defined sounds on F11 and F12

Using this project as a template, it would be simple to substitute your own sounds for the prime mover, horn, bell, etc. The
included sounds are appropriate for an EMD 2nd-generation 645 non-turbo prime mover, found in engines such as the following:

GP15-1
GP38
GP38AC
GP38-2
SD38
SD38AC
SD38-2
SW1000
SW1001
SW1500
MP15AC
MP15DC

If you encounter any problems with this project, or have any suggestions for future versions, feel free to contact the author,
Alex Stroshane: stroshane.a@gmail.com

This sound project has been assembled from Digitrax-supplied sound clips as well as new sounds from custom recordings.
Additional engine and horn/bell sound clips courtesy of Matt Donnelly, recorded from various prototypes around the Northeast.

Thanks are due to Fred Miller, Bob Grosh, Jim Walton and A.J. Ireland for their prior work in developing sound projects.

------[end SDF/DECODER definition]--------------

BR type 2 class 24-25-26 16 bit project by Barry's Bits, added on May 14, 2014

BR Class 15 Notching Project 10/4/2013
Project: BRclass15_DN5_4chnl_x6
SDF:  2nd Generation Diesel reworked by Dave C; Converter by John McMasters 8/30/2013 Original Author:  Tim
SDF:  BRclass15_DN5_4chnl_x6
BASE CODE:    DN5 -- Discrete Notching 1-5
SOUND SET:    BR Class 15 44KHz
CHANNELS:    4
SERIES:        6
Author:  John McMasters    Custom sound scheme. Sept 29, 2013 NOT for resale.
    (C) Copyright John McMasters 2013, used with permission.

SCHEME1: BR Class 15

    BRclass15_DN5_4chnl_x6.SPJ Version 1.0
 ----------------------------------------------------------------------------
     INTRODUCTION
  ----------------------------------------------------------------------------
   This is the Sound Definition Langauge (SDL) file for a project that can be
   used for a typical diesel locomotive. Supported
   sound effects include bell, dynamic brakes, air brake system,
   and coupler crash.

=====================================================


  ----------------------------------------------------------------------------
     DESIGN NOTES
  ----------------------------------------------------------------------------
NOTE:
CV155    Notching mode should(must) be =1: 0 = Auto, 1 = Semi auto, 2 = Manual [1]    

 Changes:
 1) disabled fans with FEATURE_DISABLE bit3 due to high noise distortion 6/9/2013
 
 Objectives:
     1) Use 4 channels (voices) avoiding previous version
        interruptions.
    2) Assign large 44KHz 16bit sound samples for best
        audio results
    3) optional startup sounds disable when F0 is on
    4) Feature disable CV169 is HEX values to disable features like HEP mode:
        bit0 disable HEP diesel ARTICULATED steam
        bit1 disable hard automatic braking
        bit2 disable startup sounds
        bit3 disable Fans
        bit4 disable toots on direction change    
        bit5 disable grade crossing random play
        bit6 disable bell    
        bit7 fuel prime once for Gen1 diesels OR
             multiple start warning bells Gen2
    6) F21-F28 Select Notch 1-8
 
 ----------------------------------
      FUNCTION KEYS DEFINED:   
 ----------------------------------
(A) Function Key Usage:  
F0-     Lights           [disables start up sounds when on during initialization]
F1-     Shut down Engine    EStop Shutdown    (disables motor movement until OFF)
F2-     Horn    CV150 selects Horn type                
F3-        Horn 2
F4-        Air features disable         F4 is ON =disable AIR sound/FEATURES, trig BLOWOFF/drier then compressor ONE time
                    [F4 off enables pop-off, drier and compressor]
F5-     Air Brake release        [Leave on to sound each time before moving off]                    :
F6-     Notch UP     F6 is ON  trig BLOWOFF/drier then compressor ONE time /NOTCH UP...
            IF any manual notching: F6 is NOTCH UP and F7 is NOTCH DOWN!!
F7-     Notch down        [If CV155 is not 00 F7 is CROSSING HORN WHEN
                AUTOMATIC notching selected in SCV155=0]
            F7 ON Is now notch down for EVENT, integrate -VE in SPEED_DELTA
F8-     Mute control            [F8 to ON is muted to CV volume, F8 off, set REG volume]
F9-     Brake squeal            [Leave F9 OFF for auto brakes]
F10-     [Coupling]
F11-    Handbrake sequence    [Handbrake while stopped]  Handbrake loop will play until F11 Off    
F12-    [Tyre squeal]    (continuous when moving)
F13-     UNCoupling
    Toggle OFF plays directional toots
F14-     [Cab door]
F15-    SANDER
F16-    Toggle OFF plays directional toots
F17-    BoxCar Boom
F20-    MISC  USER SND
F21-F28 Select Notch 1-8 7/17/2013

(B) Diesel Sound FX defined CV's:     [decoder CV8=8  reset value in brackets]
CV58  Master Volume, 0-15, 0= max, (F8 used for Mute) [7]
CV60  Scheme select CV, 0=Steam    [0]
CV122 Product TYpe, 12 = Digitrax SFX sound decoder Read Only Value
CV123 Hardware Version        Read Only Value
CV132 Diesel Notch rate                64-120    [71]
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]
CV139 Set to trigger distance event    0-64    [30]
CV140 Prime Mover Volume            0-64     [50]
CV141 Bell Volume                    0-64    [41]
CV142 Horn Volume                     0-64    [53]
CV143 AIR feature volume, drier, compressor, brake release Air sounds Volume 0-64 [59]
CV144 Dynamic brake volume 0-64 DIESEL DYNAMIC brake volume     [60]
CV145 Miscellaneous volume 0-64    [58]
CV146 Delay between Bells 1-100    [09]
CV147 Time between Drier cycles Users normally reset drier rate to 10 or more    [22]
CV148 Time between Compressor cycles    [30]
CV149 Compressor run time                [24]
CV150 HORN selector- 0=normal 2=playable    default 0    [00]
CV151 Speed limit FOR AUTOMATIC COUPLER/BRAKE on DIR chng. about 1/2MPH per unit [35]
CV152 defines USER code for this SDF
CV153 SUB id  SCHEME/SDF
CV154 STEAM blowdown volume    [45]
CV155 fact default is AUTO NOTCHING; CV54 needs to be zero for F7 Notch UP  [00]
CV156 is 540mS HORN delay for SHORT    [20]
CV157 is FOR bell selection         [00]
CV158 is
CV159 is
CV160 is VARIANT id
CV161    Power Reverser volume                    0-64    [40]
CV162      Grate Shaker Volume                    0-64    [64]
CV163    Water fill/Coal fill Volume                0-64    [54]
CV164    Compressor Volume                    0-64    [60]
CV165    Steam Boiler Volume    Diesel Fan Volume        0-64    [40]
CV166    Coupler Slack Volume                    0-64    [32]
CV167     User Defined sounds 21-28 Volumes            0-64    [32]
CV168   Stoker Volume                        0-64    [32]
CV169 is HEX values to disable features like HEP mode:
;                        bit0 disable ARTICULATED steam HEP diesel
;                        bit1 disable hard automatic braking
;                        bit2 disable startup sounds
;                        bit3 disable Fans
;                        bit4 disable toots on direction change    
;                        bit5 disable grade crossing random play
;                        bit6 disable bell                
;                        bit7 fuel prime once for Gen1 diesels OR multiple start warning bells Gen2
CV170 Safety Run Time                    0-64    [32]
CV171 ALT HORN volume                    0-64    [60]
CV172 Water Pump Cycle Time                0-64     [19]
CV173 Cutoff Speed for Auto Cyl. blow down        0-64    [32]
CV174 Air Compressor run time                0-255    [10]
CV175 Stoker/oil pump run time                0-255    [20]        
CV176 F28_user run time scattered sounds        0-255    [20]
   
=================================
(C) General Notes

This is a functional tested version of a project using individual sound recordings for each prime mover notch setting. These
prime mover sounds can be played in three modes determined by CV155: automatic, semi-automatic and manual notching. In auto
mode, the prime mover notch is determined by the current speed setting, and is adjustable using CV132. In semi-auto mode,
the same is true but it is possible to "throttle up" to higher notches using F6 and F7, if you want your engine to sound
like it is working harder. Manual mode offers full control of the notch setting using F6 and F7, so you can throttle down
to idle and turn on dynamic braking while coasting downgrade.

Other features available in this project include:
- Automatic grade crossing horn sequence with bell
- Optional highball and backup horn signals while stopped
- Dynamic brakes at speed or standing
- handbrake while stopped
- Automatic coupler sounds when changing direction at low speeds
- Automatic brake squeal sounds when decelerating to a stop
- Manual brake squeal on F9 and moving
- Additional user-defined sounds on F14 and F15

This sound project has been assembled from Digitrax-supplied sound clips as well as new sounds from custom recordings.
Additional custom 16bit 44KHz files were used to edit individual sound fragments (WAV files for each file handle).
It will be a copyrighted project on acceptance by Digitrax.
Thanks are due to A.J. Ireland for their prior work in developing sound projects.

** Switching speed is enabled by setting CV 54 to 1 with back EMF or 3 without back EMF

For CV155=01 ["Semi_automatic Notching"],  the Prime mover lowest Notch setting is set by
 the throttle speed setting. F6 (ON) can increase the Notch and F7 (ON) will decrease the
 Prime mover to the minimum notch set by current throttle setting.

The sound volume is controlled by Master Volume CV58 as well as any individual sound
volume CVs.  The Default for CV58 is 5 but can be set 0-15 from a Throttle or the sim-
ulated throttle in SoundLoader.  Individual sound volume CVs can be set 0-64.


Problems and exceptions:
 NOTCH RATE (CV132)
  Default is CV132=127 but that bunches the notches at the lower portion
  of the throttle range.  72-127 or higher is OK when your motor takes very little current.
  A value of 71 will spread the notches across the whole range, but may leave your
  engine moving too fast. It should run at scale speeds and notch.
 

==============================================

------[end SDF/DECODER definition]--------------

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