Bradley Contracting Company 0-4-0 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 2 (Locobase 15030)

Data from Roy V Wright (Ed.) 1912 Locomotive Cyclopedia of American Practice, Sixth Edition (New York: Simmons-Boardman Publishing Company, 1912), p. 154.

Bradley Contracting helped build many of the subway lines in New York City.

Specifications by Steve Llanso of Sweat House Media
Locobase ID15030
RailroadBradley Contracting Company
Number in Class1
Road Numbers2
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase6'
Engine Wheelbase6'
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender)6'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers62500 lbs
Engine Weight62500 lbs
Tender Light Weight
Total Engine and Tender Weight62500 lbs
Tender Water Capacity
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)52 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter36"
Boiler Pressure170 psi
Cylinders (dia x stroke)13" x 18"
Tractive Effort12210 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.12
Heating Ability
Firebox Area53 sq. ft
Grate Area10.15 sq. ft
Evaporative Heating Surface537 sq. ft
Superheating Surface
Combined Heating Surface537 sq. ft
Evaporative Heating Surface/Cylinder Volume194.20
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1726
Same as above plus superheater percentage1726
Same as above but substitute firebox area for grate area9010
Power L12958
Power MT208.68

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