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During the late 1930s, the Union Pacific often used helpers to move trains from Ogden to Wasatch. The UP wanted to simplify this move so they asked their "Department of Research and Mechanical Standards" (DoRMS) to design a locomotive that could pull a 3600 ton train unassisted over the 1.14% grade of the Wasatch.
The designers determined that to pull a 3600 ton train, a tractive effort of 135,000 lbs would be needed. Assuming a factor of adhesion of 4.0, the weight on drivers would have to be more…
The Shay locomotive was the most widely used geared steam locomotive. The locomotives were built to the patents of Ephraim Shay, who has been credited with the popularization of the concept of a geared steam locomotive.
Shay locomotives had regular fire-tube boilers offset to the left to provide space for, and counterbalance the weight of, a two or three cylinder "motor," mounted vertically on the right with longitudinal drive shafts extending fore and aft from the crankshaft at wheel axle more…
Cab Forwards were designed to keep the crews from getting asfixiated from smoke while long tunnels. While a few other railroads considered purchasing the design, only the Southern Pacific Railroad ever bought any. Many wheel arrangements were used but most of them were of the 4-8-8-2 design.
Many Cab Forwards also contained a Seperate Air Horn. This Sound Profile also contains the ability to play this horn sound using Function 12. (remappable if desired)
AC-6 through AC-12 Cab Forwards Used more…
Norfolk & Western used Y6-class locomotives primarily for slower, heavy freight trains in the more mountainous districts. Although they were used throughout the N&W, their primary work occurred on the Pocahontas, Radford, and Shenandoah Divisions. They mostly hauled manifest freight and coal trains.
When Diesel locomotives took over the main-line steam operations, the Y6-type locomotives spent their last two years mostly on mine and other coal-field runs.
As with all LokSound Select Steam more…
Equipped with ESU "FULL THROTTLE STEAM" features!
MUST use LokProgrammer Version 4.5.1 or newer.
Recorded from D&RGW (Cumbres and Toltec) K-27 463
The ESU Full Throttle Steam files now include a few new logic features for added operational realism while still leaving you in control of HOW you wish to run your locomotive.
Heavy Load: F9 by default.
Similar to the “Drive Hold” button on the Full Throttle Diesel files “Heavy Load” allows you to adjust the “Steam Cut Off Valve” at any speed more…
Equipped with ESU "FULL THROTTLE STEAM" features!
MUST use LokProgrammer Version 4.5.1 or newer.
N.S.W.G.R. Class Z27 2705
**Please Note**
Responding to user feedback this file uses "Standard North American Function Mapping".
This is a template used for all steam files from ESU LLC.
While we realize most Australian Locomotives do not use Bells or Air Horns they are included in the mapping due to the template used. This is easily changable so the user can set the function mapping work as more…
Equipped with ESU "FULL THROTTLE STEAM" features!
MUST use LokProgrammer Version 4.5.1 or newer.
The 2-8-2 wheel configuration on steam locomotives was one of the most highly used configurations made. This type of locomotive with 2 pilot wheels, 8 drive wheels, and 2 trailing wheels to support a larger firebox was first built for the Emperor of Japan, thus the name Mikado type. The first Mikado built for service in the US was built in 1901 and was owed by the Bismarck, Washburn and Great Falls more…
Equipped with ESU "FULL THROTTLE STEAM" features!
MUST use LokProgrammer Version 4.5.1 or newer.
SP 4449 4-8-4 GS-4 "Daylight"
The ESU Full Throttle Steam files now include a few new logic features for added operational realism while still leaving you in control of HOW you wish to run your locomotive.
Heavy Load: F9 by default.
Similar to the “Drive Hold” button on the Full Throttle Diesel files “Heavy Load” allows you to adjust the “Steam Cut Off Valve” at any speed allowing for a fierce more…