Bear Harbor Lumber 2-4-2 "Columbian" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 2 (Locobase 12266)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 21, p.161. Works number was 15832 in April 1898.

A small double-ended, wood-burning saddle tank for the standard gauge, which allowed the grate to reach the usual width of 34 3/8". BHL of Moody, California later became South Humboldt Lumber. The 2 was retired in 1941 and sold in 1979 to Northern Counties Logging Interpretive for possible restoration.

Specifications by Steve Llanso of Sweat House Media
Class2
Locobase ID12,266
RailroadBear Harbor Lumber
CountryUSA
Whyte2-4-2ST
Number in Class1
Road Numbers2
GaugeStd
Number Built1
BuilderBurnham, Williams & Co
Year1898
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.50 / 1.68
Engine Wheelbase (ft / m)17.50 / 5.33
Ratio of driving wheelbase to overall engine wheebase 0.31
Overall Wheelbase (engine & tender) (ft / m)17.50 / 5.33
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)32,000 / 14,515
Engine Weight (lbs / kg)48,000 / 21,772
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)48,000
Tender Water Capacity (gals / ML)600 / 2.27
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)27 / 13.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)42 / 1067
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)11" x 18" / 279x457
Tractive Effort (lbs / kg)7053 / 3199.19
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.54
Heating Ability
Firebox Area (sq ft / m2)42.70 / 3.97
Grate Area (sq ft / m2) 8.70 / 0.81
Evaporative Heating Surface (sq ft / m2)382 / 35.50
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)382 / 35.50
Evaporative Heating Surface/Cylinder Volume192.94
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1392
Same as above plus superheater percentage1392
Same as above but substitute firebox area for grate area6832
Power L13369
Power MT464.21