Atlanta & West Point 4-4-0 "American" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 32 (Locobase 12011)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 17, p. 174. Works numbers were 12355-12356, 12358 in December 1891.

This set of Eight-wheelers served the West Point Route for more than 20 years each. 34 retired first in 1912, 32 followed in 1916, and 33 was sold in 1923 to locomotive rebuilder/ reseller Georgia Car & Locomotive. GC & L apparently didn't find another railroad to buy the engine, so it scrapped in October of that year.

Specifications by Steve Llanso of Sweat House Media
Class32
Locobase ID12,011
RailroadAtlanta & West Point (WPR)
CountryUSA
Whyte4-4-0
Number in Class4
Road Numbers32-34, 16
GaugeStd
Number Built4
BuilderBurnham, Williams & Co
Year1891
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 9.08 / 2.77
Engine Wheelbase (ft / m)24.29 / 7.40
Ratio of driving wheelbase to overall engine wheebase 0.37
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)67,000 / 30,391
Engine Weight (lbs / kg)108,000 / 48,988
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)3600 / 13.64
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)56 / 28
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)66 / 1676
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)16,023 / 7267.92
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.18
Heating Ability
Firebox Area (sq ft / m2)149.60 / 13.90
Grate Area (sq ft / m2)18.70 / 1.74
Evaporative Heating Surface (sq ft / m2)1686 / 156.69
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1686 / 156.69
Evaporative Heating Surface/Cylinder Volume238.52
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2992
Same as above plus superheater percentage2992
Same as above but substitute firebox area for grate area23,936
Power L16060
Power MT398.81

Reference