Rockwood & Tennessee River 2-6-0 "Mogul" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 8 (Locobase 12358)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 22, p. 122. Works number was 16737 in May 1899.

The Roane Iron Company operated the 5 1/2 miles of track known as the R & TR as a common carrier until 1898. When this Mogul began service, however, the line had reverted to a supply road for iron ore bound for the furnace at Rockwood. Standard-gauge railroad construction led to this railroad's abandonment in 1911.

The 8 went on to serve the Wellington & Powellsville Railroad in North Carolina's Bertie County.

Specifications by Steve Llanso of Sweat House Media
Locobase ID12,358
RailroadRockwood & Tennessee River
Number in Class1
Road Numbers8
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)11
Engine Wheelbase (ft)17.83
Ratio of driving wheelbase to overall engine wheebase 0.62
Overall Wheelbase (engine & tender) (ft)
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)65,000
Engine Weight (lbs)74,000
Tender Loaded Weight (lbs)44,000
Total Engine and Tender Weight (lbs)118,000
Tender Water Capacity (gals)1800
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)36
Geometry Relating to Tractive Effort
Driver Diameter (in)44
Boiler Pressure (psi)165
High Pressure Cylinders (dia x stroke) (in)16" x 20"
Tractive Effort (lbs)16,320
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.98
Heating Ability
Firebox Area (sq ft)91.30
Grate Area (sq ft)13.20
Evaporative Heating Surface (sq ft)1013
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)1013
Evaporative Heating Surface/Cylinder Volume217.65
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2178
Same as above plus superheater percentage2178
Same as above but substitute firebox area for grate area15,065
Power L13820
Power MT388.69

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