McBryde Sugar Company 2-4-2 "Columbian" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class Wahiawa (Locobase 12406)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 23, p. 1. See also the "McBryde Sugar Company History" entry by the Hawaiian Sugar Planters' Association Plantation Articles at http://www2.hawaii.edu/~speccoll/p_mcbryde.html . Works number was 17686 in April 1900.

Quite small double-ender saddle tank with 4-wheel tender trailing behind. Soon after its arrival on Kauai Island, Hawaiii, the plantation shop removed the front truck. Locobase suspects it was deemed responsible for derailings. In any case, the Wahiawa was sold to the Grove Farm. In 1907, Grove Farm sold the engine to the Kauai Railway as their #2.

The plantation was formed in 1899 through the merger of the Eleele Plantation, McBryde Estate, and Koloa Agricultural Company. According to the Plantation Archives: "MSC had several major obstacles to overcome in the early stages of its existence. Not only was the company undercapitalized, but the terrain was extremely rocky and, as common for the leeward side of the island, there was a clear lack of water. As evidenced by early financial records, 'Rock Removal' was a rather large expenditure and many extra laborers were needed to clear the fields."

Specifications by Steve Llanso of Sweat House Media
ClassWahiawa
Locobase ID12,406
RailroadMcBryde Sugar Company
CountryUSA
Whyte2-4-2ST
Number in Class1
Road Numbers
Gauge2'6""
Number Built1
BuilderBurnham, Williams & Co
Year1900
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 4.50 / 1.37
Engine Wheelbase (ft / m)17.54 / 5.35
Ratio of driving wheelbase to overall engine wheebase 0.26
Overall Wheelbase (engine & tender) (ft / m)28.58 / 8.71
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)23,000 / 10,433
Engine Weight (lbs / kg)35,600 / 16,148
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)35,600
Tender Water Capacity (gals / ML)700 / 2.65
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)19 / 9.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)37 / 940
Boiler Pressure (psi / kPa)150 / 10.30
High Pressure Cylinders (dia x stroke) (in / mm)9" x 16" / 229x406
Tractive Effort (lbs / kg)4466 / 2025.75
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.15
Heating Ability
Firebox Area (sq ft / m2)40 / 3.72
Grate Area (sq ft / m2) 5.80 / 0.54
Evaporative Heating Surface (sq ft / m2)239 / 22.21
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)239 / 22.21
Evaporative Heating Surface/Cylinder Volume202.87
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation870
Same as above plus superheater percentage870
Same as above but substitute firebox area for grate area6000
Power L13447
Power MT660.81