Tuskegee 4-4-0 "American" Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class 6 (Locobase 12671)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 25, p.248. See also Joseph P. Schwieterman, When the Railroad Leaves Town: American Communities in the Age of Rail Line Abandonment : Eastern United States (Kirksville, MO:Truman State University Press, 2001), pp. Works number was 22019 in April 1903.

Some short lines never get longer. In 1860, this railroad was incorporated with the goal on connecting Tuskegee, Ala with Chehaw, 5.7 miles distant on 5-foot (1,524 mm) gauge rail and a stop on the Western Railway of Alabama.

Rebuilt as a narrow-gauge line after its destruction during the Civil War, the TRR was owned by a partnership of three: E. T. Varner, L. V. Alexander and Campbell & Wright. It was converted to the standard gauge in 1898.

The company was reorganized in 1902, at which time, according to the Mississippi Rails website (http://www.msrailroads.com/Tuskegee.htm), the main purpose of the TR "..was to facilitate entrance into the grounds of the Tuskeegee Normal & Industrial Institute."

Schweiterman notes that in the 1920s, coal shipments to the Institute were supplemented by logs from the East Alabama Lumber Company's sawmill.

Specifications by Steve Llanso of Sweat House Media
Class6
Locobase ID12,671
RailroadTuskegee
CountryUSA
Whyte4-4-0
Number in Class1
Road Numbers6
GaugeStd
Number Built1
BuilderBurnham, Williams & Co
Year1903
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft) 7.67
Engine Wheelbase (ft)21.29
Ratio of driving wheelbase to overall engine wheebase 0.36
Overall Wheelbase (engine & tender) (ft)
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)47,000
Engine Weight (lbs)71,000
Tender Loaded Weight (lbs)53,000
Total Engine and Tender Weight (lbs)124,000
Tender Water Capacity (gals)2400
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)39
Geometry Relating to Tractive Effort
Driver Diameter (in)54
Boiler Pressure (psi)160
High Pressure Cylinders (dia x stroke) (in)14" x 22"
Tractive Effort (lbs)10,860
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.33
Heating Ability
Firebox Area (sq ft)93
Grate Area (sq ft)13.80
Evaporative Heating Surface (sq ft)825
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)825
Evaporative Heating Surface/Cylinder Volume210.47
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2208
Same as above plus superheater percentage2208
Same as above but substitute firebox area for grate area14,880
Power L14739
Power MT444.58


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