Tidewater & Western 4-6-0 "Ten-wheeler" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 11 (Locobase 13687)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 35, p. 303. See also George Woodman Hilton, American narrow gauge railroads (), p. 543. Works number was 35192 in September 1910.

The T & W was originally built as the Farmville & Powhatan, which was never very profitable and went into receivership. A June 1905 auction turned the F & P property over to investors that reorganized the line as the Tidewater & Western.

The T & W fared well enough and eventually grew to 50 miles. But in May 1917, according to George Hilton: "The line met an unusual end. It surrendered its charter ...[receiver Langbourne M Williams] arranged sale of the rails and equipment to the French government for use in World War I. The line was dismantled for shipment in June 1918 ..."

Specifications by Steve Llanso of Sweat House Media
Locobase ID13,687
RailroadTidewater & Western
Number in Class1
Road Numbers11
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)10.92
Engine Wheelbase (ft)19.42
Ratio of driving wheelbase to overall engine wheebase 0.56
Overall Wheelbase (engine & tender) (ft)
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)52,000
Engine Weight (lbs)67,000
Tender Loaded Weight (lbs)50,000
Total Engine and Tender Weight (lbs)117,000
Tender Water Capacity (gals)2500
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)29
Geometry Relating to Tractive Effort
Driver Diameter (in)44
Boiler Pressure (psi)160
High Pressure Cylinders (dia x stroke) (in)14" x 20"
Tractive Effort (lbs)12,116
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.29
Heating Ability
Firebox Area (sq ft)57.90
Grate Area (sq ft)12.10
Evaporative Heating Surface (sq ft)796
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)796
Evaporative Heating Surface/Cylinder Volume223.38
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1936
Same as above plus superheater percentage1936
Same as above but substitute firebox area for grate area9264
Power L13574
Power MT454.58

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