Fort Smith & Western 2-8-2 "Mikado" Locomotives in the USA

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The Fort Smith & Western bought six "Mikado" type locomotives all from the Baldwin Locomotive Works. Three, with road numbers 23, 24 and 25, were delivered in 1916, two with road numbers 26 and 27 came in 1917 and number 28 was added to the roster in 1920. These locomotives had 57" diameter drivers, 22" x 28" cylinders, a 180 psi boiler pressure and they exerted 40,656 pounds of tractive effort. All six were sold to the Colorado & Greenville in 1939.

There are no surviving FtS&W 2-8-2 "Mikado" type locomotives.


Roster by Richard Duley

Qty.Road NumbersYear BuiltBuilderNotes
323-251916Baldwin1
226-271917Baldwin2
1281920Baldwin3
Notes:
  1. Numbers 23-25 sold to the Colorado & Greenville in 1939. Became C&G numbers 502, 501 and 506 in that order. Numbers 502 and 506 scrapped in 1947. Number 501 scrapped in 1948
  2. Numbers 26-27 sold to the Colorado & Greenville in 1939. Became C&G numbers 504 and 503 in that order. Number 504 scrapped in 1947. Number 503 scrapped in 1950. g.
  3. Number 28 sold to the Colorado & Greenville in 1939. Became C&G number 505 later scrapped in 1948.

Class Details by Steve Llanso of Sweat House Media

Class 23 (Locobase 14582)

Data from DeGolyer, Volume 55, p. 197 and Vol 65, pp. 118+. Works numbers were 43784 in July 1916, 43865-43866 in August; 46113, 46158 in August 1917; 53829 in October 1920

Several southwestern US railroads bought this small Mikado design in the teens. The FS&W locomotives had a few differences from the others, such as the use of Southern valve gear and more arch tube area (28.5 sq ft/2.65 sq m) to contribute to direct heating surface area, but were otherwise duplicates. They too used thirteen-inch (331 mm) piston valves, had the same power dimensions, boiler, and grate. Rail weights on the FS&W were recorded as 75 lb/yard (37.5 kg/metre).

28 had a larger tender to hold 7,000 US gallons (26,485 litres) of water; it weighed 130,000 lb (58,967 kg) loaded. A Locomotive Stoker Company "Ryan Johnson Latest Improved Plunger Type" coal pusher helped out the fireman.

When the FS&W was abandoned in 1939, all six were sold in September and October to locomotive rebuilder/reseller Georgia Car & Locomotive. GC&L found a buyer in February 1940 in the Columbus & Greenville of Waverly, Miss., which renumbered them 502, 501, 506, 504, 503, and 505 respectively. After operating throughout World War Two, four were scrapped in 1947, 501 and 506 in February, 502 in April., 504 in May. 505 went next in August 1948. 503 carried on until it was scrapped in January 1950.

Specifications by Steve Llanso of Sweat House Media
Class23
Locobase ID14,582
RailroadFort Smith & Western
CountryUSA
Whyte2-8-2
Number in Class6
Road Numbers23-28
GaugeStd
Number Built6
BuilderBaldwin
Year1916
Valve GearSouthern
Locomotive Length and Weight
Driver Wheelbase (ft / m)15 / 4.57
Engine Wheelbase (ft / m)31.67 / 9.65
Ratio of driving wheelbase to overall engine wheebase 0.47
Overall Wheelbase (engine & tender) (ft / m)60.44 / 18.42
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)154,000 / 69,853
Engine Weight (lbs / kg)199,000 / 90,265
Tender Loaded Weight (lbs / kg)115,000 / 52,163
Total Engine and Tender Weight (lbs / kg)314,000 / 142,428
Tender Water Capacity (gals / ML)6000 / 22.73
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)14 / 12.70
Minimum weight of rail (calculated) (lb/yd)64
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)57 / 1448
Boiler Pressure (psi / kPa)185 / 12.80
High Pressure Cylinders (dia x stroke) (in / mm)22" x 28" / 559x711
Tractive Effort (lbs / kg)37,387 / 16958.48
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.12
Heating Ability
Firebox Area (sq ft / m2)193.50 / 17.98
Grate Area (sq ft / m2)46.80 / 4.35
Evaporative Heating Surface (sq ft / m2)2567 / 238.48
Superheating Surface (sq ft / m2)562 / 52.21
Combined Heating Surface (sq ft / m2)3129 / 290.69
Evaporative Heating Surface/Cylinder Volume208.38
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation8658
Same as above plus superheater percentage10,216
Same as above but substitute firebox area for grate area42,241
Power L112,258
Power MT701.93