Oregon Iron & Steel 0-6-2 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 2 (Locobase 11677)

Data from Baldwin Locomotive Works Specification for Engines, 1888, as digitized by the DeGolyer Library of Southern Methodist University Vol 14, p. 196. Works number was 9519 in September 1888.

Specifications by Steve Llanso of Sweat House Media
Locobase ID11677
RailroadOregon Iron & Steel
Number in Class1
Road Numbers2
Number Built1
BuilderBurnham, Parry, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 7.83'
Engine Wheelbase15.67'
Ratio of driving wheelbase to overall engine wheebase 0.50
Overall Wheelbase (engine & tender)15.67'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers39000 lbs
Engine Weight44000 lbs
Tender Light Weight
Total Engine and Tender Weight44000 lbs
Tender Water Capacity500 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)22 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter36"
Boiler Pressure130 psi
Cylinders (dia x stroke)12" x 18"
Tractive Effort7956 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.90
Heating Ability
Firebox Area43.50 sq. ft
Grate Area7 sq. ft
Evaporative Heating Surface391 sq. ft
Superheating Surface
Combined Heating Surface391 sq. ft
Evaporative Heating Surface/Cylinder Volume165.95
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation910
Same as above plus superheater percentage910
Same as above but substitute firebox area for grate area5655
Power L12014
Power MT341.55

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