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Equipped with ESU "FULL THROTTLE STEAM" features!
The name Challenger was given to steam locomotives with a 4-6-6-4 wheel arrangement. This means that they have four wheels in the leading "pilot" truck, which helps guide the locomotive into curves; two sets of six "driving" wheels, and finally, four "trailing" wheels, which support the rear of the engine and its massive firebox. Each set of driving wheels has its own steam cylinder. In essence, the result is two engines under one boiler.
The frame of the locomotive is "articulated," or hinged, to allow it to go through curves. When watching the approaching locomotive go through a curve, you can see the boiler swing out left or right independently of the lower half of the engine, as the rear half of the locomotive remains in a straight direction until its wheels and frame are halfway through the curve.
The Challengers were designed for fast freight service, but occasionally pulled passenger trains.
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 full chuff or drifting with snifters and rod clanks. Heavy load can also act as an offset allowing speed adjustments when engaged if desired.
Coast: F4 by default.
Opposite of “Heavy Load” Coast allows for a negative offset allow drifting sounds of Rods and snifter valves at any speed. You again have the option to hold the speed to adjust the speed with this offset active. Even allowing for an increase of speed with no chuffs as if drifting downhill.
Independent brake: F10 by default
Identical to the Full Throttle Diesel files this is a custom feature created by using logic inside sound slot 11. This allows for the locomotive to stop more quickly than its regular momentum would normally carry it. This one is pretty self-explanatory – just press the brake and come to a stop!
Articulation: Sound Slot 2
By adding Sound Slot 2 to the F8 Function Mapping you can add a second set of drivers making any ESU Steam File articulated.
Function Mappable Air Horn: F21 by default
Sound Slot 21.
Many Steam locomotives had a single chime airhorn equipped. Those modelling SP, MILW, and others can now have this feature and put it where they would like in the function mapping in addition to the whistle.
Whistles:
CV163=0 UP 844 "Steamboat" - Default
CV163=1 SP&S 3 Chime
CV163=2 Steamboat 3 Chime
CV163=3 SP 4449 Daylight
CV163=4 DRG&W 5 Chime
CV163=5 SOO Line 1003
CV163=6 DL&W 5 Chime
CV163=7 WM 6 Chime
Bells:
CV164=0 Pnuematic Bell 1
CV164=1 Pnuematic Bell 2
CV164=2 Pnuematic Bell 3
CV164=3 Steam Loco Rope Pull Bell
CV164=4 SOO Line 1003 Bell
CV164=5 UP 844 Air Ringer Bell - Default
CV164=6 SP 4449 Bell
CV164=7 DRG&W K27 Bell
For more info please see the "Full Throttle Steam" Quick Start Guide in the ESU Instruction Manual Section of our Website.
http://www.esu.eu/en/downloads/instruction-manuals/digital-decoders/
S0556 - Release Notes
===================================================
V-3 R-3:
===================================================
- updated independent brake
- updated boiler hiss
V-4 R-4:
===================================================
- updated steam chuff sound slot
V-5 R-5:
===================================================
- changed whistle sound slot 3 maximum sound slot speed to 128
V-6 R-6:
===================================================
- steam chuff secondary trigger distance adustment to 10 Hide description more…
Equipped with ESU "FULL THROTTLE STEAM" features!
Recorded from UP FEF 4-8-4 Northern #844
Built in 1944 Steam Locomotive No. 844 is the last steam locomotive built for Union Pacific Railroad. Made for passenger service it also hauled some freight in the late 1950s. Still serving today it has become Union Pacific's "Living Legend" as it holds the world record for longest contiuosly running steam locomotive!
With 80 inch Drivers, 300lbs of boiler pressure, and designed to safely operate at 120 mph, this super heated locomotive has become an Icon of American Steam!
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 full chuff or drifting with snifters and rod clanks. Heavy load can also act as an offset allowing speed adjustments when engaged if desired.
Coast: F4 by default.
Opposite of “Heavy Load” Coast allows for a negative offset allow drifting sounds of Rods and snifter valves at any speed. You again have the option to hold the speed to adjust the speed with this offset active. Even allowing for an increase of speed with no chuffs as if drifting downhill.
Independent brake: F10 by default
Identical to the Full Throttle Diesel files this is a custom feature created by using logic inside sound slot 11. This allows for the locomotive to stop more quickly than its regular momentum would normally carry it. This one is pretty self-explanatory – just press the brake and come to a stop!
Articulation: Sound Slot 2
By adding Sound Slot 2 to the F8 Function Mapping you can add a second set of drivers making any ESU Steam File articulated.
Function Mappable Air Horn: F21 by default
Sound Slot 21.
Many Steam locomotives had a single chime airhorn equipped. Those modelling SP, MILW, and others can now have this feature and put it where they would like in the function mapping in addition to the whistle.
Whistles:
CV163=0 UP 844 "Steamboat" - Default
CV163=1 SP&S 3 Chime
CV163=2 Steamboat 3 Chime
CV163=3 SP 4449 Daylight
CV163=4 DRG&W 5 Chime
CV163=5 SOO Line 1003
CV163=6 DL&W 5 Chime
CV163=7 WM 6 Chime
Bells:
CV164=0 Pnuematic Bell 1
CV164=1 Pnuematic Bell 2
CV164=2 Pnuematic Bell 3
CV164=3 Steam Loco Rope Pull Bell
CV164=4 SOO Line 1003 Bell
CV164=5 UP 844 Air Ringer Bell - Default
CV164=6 SP 4449 Bell
CV164=7 DRG&W K27 Bell
For more info please see the "Full Throttle Steam" Quick Start Guide in the ESU Instruction Manual Section of our Website.
http://www.esu.eu/en/downloads/instruction-manuals/digital-decoders/
S0590 - Release Notes
===================================================
V-3 R-3:
===================================================
- updated independent brake
- updated boiler hiss
- updated steam chuff sound slot
V-4 R-4:
===================================================
- changed whistle sound slot 3 maximum sound slot speed to 128 Hide description more…
Equipped with ESU "FULL THROTTLE STEAM" features!
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 4.0 * 135,000 = 540,000 lbs. Given an axle loading of 67,500 lbs each, this would require 8 drivers or an x-8-8-x wheel arrangement. The designers agreed upon the 4-8-8-4 design. Next, the horsepower and cylinder sizes were computed based on 300 psi boiler pressure. Although they weren't planning to pull these freight trains at 80 MPH, the DoRMS designed them for 80 MPH in order to have a sufficient factor of safety built into the design. What resulted is considered by many to be the most successful articulated steam locomotive ever built. 4000 was delivered to Omaha at 6PM, September 5, 1941.
The 25 Big Boys were built in two groups. The first group, called "class 1", were built starting in 1941. They were numbered 4000-4019. The second group, "class 2", were built in 1944. They were numbered 4020-4024. The last revenue freight pulled by a Big Boy was in July of 1959. Most were retired in 1961. The last one was retired in July of 1962. As late as September, 1962, there were still four operational Big Boys at Green River, WY.
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 full chuff or drifting with snifters and rod clanks. Heavy load can also act as an offset allowing speed adjustments when engaged if desired.
Coast: F4 by default.
Opposite of “Heavy Load” Coast allows for a negative offset allow drifting sounds of Rods and snifter valves at any speed. You again have the option to hold the speed to adjust the speed with this offset active. Even allowing for an increase of speed with no chuffs as if drifting downhill.
Independent brake: F10 by default
Identical to the Full Throttle Diesel files this is a custom feature created by using logic inside sound slot 11. This allows for the locomotive to stop more quickly than its regular momentum would normally carry it. This one is pretty self-explanatory – just press the brake and come to a stop!
Articulation: Sound Slot 2
By adding Sound Slot 2 to the F8 Function Mapping you can add a second set of drivers making any ESU Steam File articulated.
Function Mappable Air Horn: F21 by default
Sound Slot 21.
Many Steam locomotives had a single chime airhorn equipped. Those modelling SP, MILW, and others can now have this feature and put it where they would like in the function mapping in addition to the whistle.
Whistles:
CV163=0 UP 844 "Steamboat" - Default
CV163=1 SP&S 3 Chime
CV163=2 Steamboat 3 Chime
CV163=3 SP 4449 Daylight
CV163=4 DRG&W 5 Chime
CV163=5 SOO Line 1003
CV163=6 DL&W 5 Chime
CV163=7 WM 6 Chime
CV163=8 UP #4014 Hancock 3-Chime
Bells:
CV164=0 Pnuematic Bell 1
CV164=1 Pnuematic Bell 2
CV164=2 Pnuematic Bell 3
CV164=3 Steam Loco Rope Pull Bell
CV164=4 SOO Line 1003 Bell
CV164=5 UP 844 Air Ringer Bell - Default
CV164=6 SP 4449 Bell
CV164=7 DRG&W K27 Bell
For more info please see the "Full Throttle Steam" Quick Start Guide in the ESU Instruction Manual Section of our Website.
http://www.esu.eu/en/downloads/instruction-manuals/digital-decoders/
S0516 - Release Notes
===================================================
V-3 R-3:
===================================================
- updated independent brake
- updated boiler hiss
- added UP #4014 Hancock 3-Chime horn
V-4 R-4:
===================================================
- updated steam chuff sound slot
V-5 R-5:
===================================================
- changed whistle sound slot 3 maximum sound slot speed to 128
V-6 R-6:
===================================================
- steam chuff secondary trigger distance adustment to 10 Hide description more…
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