Rock Creek Lumber Company 2-8-2 "Mikado" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 14 (Locobase 14287)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 71, pp. 355+. See also Glen Brewer's account "Iron horses put out to pasture: Scenes from the Piney Woods" at http://railroadglorydays.com/mcsa/. . Works number was 56917 in August 1923.

Locobase 13682 shows the 1915 logging Mikado built for the Peninsular that had the same boiler and firebox. Power dimensions were different because the drivers were taller and thus the wheelbase grew, but the two engines were otherwise very similar. A 2 June 1924 "Hereafter" note in the specs says that in future: "Apply an equalizing beam between third and fourth drivers, instead of a short spring, as shown on print herewith."

Rock Creek and Texas Long Leaf Lumber are related, but as noted in Locobase 14286, the name change sequence and time-stamp are difficult to puzzle out. Suffice to say that in 1940, Texas Long Leaf sold the 14 to W T Carter and Brother (Ernest A) of Camden, Tex. See Brewer's account of his ride on one of the last runs 14 made in January 1965. He also noted the eight steam logging engines rusting in peace and notes, happily, that every one of them was eventually preserved for display.

After its retirement in May 1965, the engine was sold in 1970 to Rusk, Tex for display, one supposes, but it soon was sold to the City of Houston.

Specifications by Steve Llanso of Sweat House Media
Class14
Locobase ID14,287
RailroadRock Creek Lumber Company
CountryUSA
Whyte2-8-2
Number in Class1
Road Numbers14
GaugeStd
Number Built1
BuilderBaldwin
Year1923
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)13.50 / 4.11
Engine Wheelbase (ft / m)29 / 8.84
Ratio of driving wheelbase to overall engine wheebase 0.47
Overall Wheelbase (engine & tender) (ft / m)54.87 / 16.72
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)118,000 / 53,524
Engine Weight (lbs / kg)153,000 / 69,400
Tender Loaded Weight (lbs / kg)98,000 / 44,452
Total Engine and Tender Weight (lbs / kg)251,000 / 113,852
Tender Water Capacity (gals / ML)5000 / 18.94
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)2000 / 7.60
Minimum weight of rail (calculated) (lb/yd)49
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)46 / 1168
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)19" x 24" / 483x610
Tractive Effort (lbs / kg)28,817 / 13071.19
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.09
Heating Ability
Firebox Area (sq ft / m2)155 / 14.40
Grate Area (sq ft / m2)29 / 2.69
Evaporative Heating Surface (sq ft / m2)2401 / 223.06
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)2401 / 223.06
Evaporative Heating Surface/Cylinder Volume304.86
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5220
Same as above plus superheater percentage5220
Same as above but substitute firebox area for grate area27,900
Power L15565
Power MT415.89