Alleghany Iron Company 0-4-2 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 12024)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 17, p. 242. Works number was 12614 in April 1892.

Later sold to Fitch & Johnson Construction.

Specifications by Steve Llanso of Sweat House Media
Locobase ID12024
RailroadAlleghany Iron Company
Number in Class1
Road Numbers1
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 4.50'
Engine Wheelbase10.75'
Ratio of driving wheelbase to overall engine wheebase 0.42
Overall Wheelbase (engine & tender)10.75'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers23000 lbs
Engine Weight29000 lbs
Tender Light Weight
Total Engine and Tender Weight29000 lbs
Tender Water Capacity300 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)19 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter33"
Boiler Pressure130 psi
Cylinders (dia x stroke)9" x 16"
Tractive Effort4340 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.30
Heating Ability
Firebox Area28.37 sq. ft
Grate Area 7.20 sq. ft
Evaporative Heating Surface295 sq. ft
Superheating Surface
Combined Heating Surface295 sq. ft
Evaporative Heating Surface/Cylinder Volume250.40
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation936
Same as above plus superheater percentage936
Same as above but substitute firebox area for grate area3688
Power L12651
Power MT508.21

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