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The FM H-12-44 was a yard switcher produced by Fairbanks-Morse from May, 1950–March, 1961. The units featured a 1,200-horsepower (890 kW), six-cylinder opposed piston engine prime mover, and were configured in a B-B wheel arrangement mounted atop a pair of two-axle AAR Type-A switcher trucks, with all axles powered and geared for a top speed of 60 miles per hour (97 km/h).
A total of 303 units were built for American railroads, 30 were manufactured (between August 1951 to June 1956) by the Canadian Locomotive Company for use in Canada, and 1 unit was exported to Mexico. Initially, H-12-44s were visually indistinguishable from their predecessor model, the FM H-10-44. However, beginning in September, 1952 the Raymond Loewy design elements were removed as a cost-saving measure: cab lines were squared-off, the slanted-nose styling was discontinued, and the roof visor was eliminated. The following year, the fairing over the battery box was removed and louvers added to reduce the possibility of battery explosions. None of the units were produced between May and October 1956, after which time the carbodies were shortened by some three feet and outfitted with a deeper side skirt.
Sixteen intact examples of the H-12-44 are known to survive today, all of which are owned by railroad museums or historical societies.
This prime mover is also apropriate for the following FM 6cyl locomotives:
H-10-44, H-12-44, H-12-44TS, H-12-46
Similar 8cyl prime movers are found in the following:
Most C-Liners, H-15-44, H-16-44, H-16-66 (Baby Trainmaster)
No known running locomotives with 10cyl or 12cyl FM prime movers exist
For these locomotives we suggest turning up the prime mover sound speed by adjust Sound Slot 1.
The following are recommended settings but may need to be tweaked for personal taste if larger prime movers are being replicated:
CV31 = 16, CV32 = 1
----------------------
CV261 = 138
CV262 = 138
Recorded from a FM H12-44
This project is a normal idle version. It is an air throttle version. It has a single exhaust stack.
File also contains an "Isolation Switch" Mode on F15 when Standing Still.
Pressing F15 while not moving will lower the prime mover and lock the motor. F15 must be turned off to begin moving.
Another Mode is "Reverser In Center Position". When pressing F24 while stopped, the motor will lock so you can throttle through the notches like the prototype in neutral. F24 must be turned off to begin moving.
This project has "Run 8" mode. When turning on F26 with F28 off, the prime mover goes to run 8. Turning off F26 returns the prime mover sounds back to normal mode.
This project has "Coast" mode. When turning on F27 with F28 off, the prime mover goes to idle for coasting purposes. Turning off F27 returns the prime mover sounds back to normal mode.
You can still use F26 and F27 for manual notching. You have to keep both F26 and F27 off before pressing F28 to turn on manual notching. Once F28 is on, you can use F26 to notch up and F27 to notch down. F26, F27, and F28 must be turned off to return to normal mode.
This project has "Load" mode. When turning on F29 with F15, F24, F26, F27, F28 off, the prime mover goes into load mode. While you are using load mode, the prime mover will notch up 1 or more notches based on primary load settings(CV104). The throttle notches up using speed instead of requested speed while using the load feature. F29 must be turned off to return to normal mode.
Prime mover volume selection mode. By default the prime mover has volume dynamics. Meaning idle is soft while notch 8 is loud. This is very prototypical. The next option is volume maxed out. Meaning idle and notch 8 are the same volume. This is more suitable for people who like it loud.
Change the sound configuration of the prime mover sound slot 1
CV31 = 16, CV32 = 1
----------------------
CV263 = 0 Prime Mover Dynamic Volume Control
CV263 = 1 Prime Mover Max Volume
1st Gen Horn Pack 1
Horns (SoundCV9):
CV163=0 Leslie A-125
CV163=1 Leslie A-200
CV163=2 Leslie S-2M
CV163=3 Leslie S-3K
CV163=4 Leslie S-3L
CV163=5 Leslie S-5T
CV163=6 Nathan M3
CV163=7 Nathan M3H
CV163=8 Nathan M5
CV163=9 Nathan P5 (Old Cast)
CV163=10 Nathan P5R24 (Old Cast)
CV163=11 Nathan P3 (Old Cast)
CV163=12 Nathan P3-R4 (Old Cast)
CV163=13 Nathan P5A (Old Cast)
CV163=14 Wabco E-2
Baldwin Bell Template Pack 1
Bells (SoundCV10):
CV164=0 Baldwin Brass Bell 001
CV164=1 UKM B443 Steel Bell 005
Auto Bell:
Many Second and Third Generation locomotives have been fitted with an Automatic Bell that is triggered when the horn is blown. In MANY cases this cannot even be bypassed on modern locos. Before the FRA mandated this feature on new locomotives the bell was of course turned on and off separately. Some locomotives were delivered with a manual bell and have been converted to an automatic bell. This creates a challenge in sound file creation.
We realize that not every loco with a particular prime mover had this feature. As such we have built in an option to turn the feature on and off. We will set the default in the file to be what is most appropriate for the particular file.
To turn the feature OFF - Auto Bell OFF:
1. Remove the Auto bell sound slot from the function mapping chart
CV31 = 16, CV32 = 8
----------------------
CV311 = 4
2. Change the sound configuration of the Auto bell sound slot
CV31 = 16, CV32 = 1
----------------------
CV287 = 0
To turn the feature ON - Auto Bell ON:
1. ADD the Auto bell sound slot from the function mapping chart
CV31 = 16, CV32 = 8
----------------------
CV311 = 12
2. Change the sound configuration of the Auto bell sound slot
CV31 = 16, CV32 = 1
----------------------
CV287 = 1
Auto Bell Timer:
The Bell timer is amount of time the bell will play after the horn if the auto timer is active. The timer is broken down into 1/4 of a second increments.
CV169=4 - 1 Second
CV169=8 - 2 Seconds
CV169=12 - 3 Seconds
CV169=16 - 4 Seconds
CV169=20 - 5 Seconds - Default
Etc...
Switcher Brake Squeal Template Pack 1
Brake Squeal (SoundCV11)
CV165=0 Composition Shoe #1
CV165=1 Cast Iron Shoe #1
ALCO Air Dryer Template Pack 1
Air Dryer (SoundCV12)
CV166=0 S-1 Air Dryer 1
CV166=1 C-425 Air Dryer 1
CV166=2 RS-18 Air Dryer 1
CV166=3 RS-18 Air Dryer 2
S0532 - Release Notes
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V-3 R-3:
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- description mispelling fix
- description brake squeal error fix
- soundslot brake squeal spelling mistake
- remastered prime mover
- updated prime mover comment
V-4 R-4:
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- Prime mover volume selection mode Hide description more…
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