Waimanalo 0-4-2 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 13128)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 30, p. 33. Works number was 20968 in October 1902.

W G Irwin bought yet another Hawaiian sugar-plantation saddle tanker and one of the lightest of the type.

Specifications by Steve Llanso of Sweat House Media
Locobase ID13,128
Number in Class1
Road Numbers
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft) 3.33
Engine Wheelbase (ft) 7.83
Ratio of driving wheelbase to overall engine wheebase 0.43
Overall Wheelbase (engine & tender) (ft) 7.83
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)9000
Engine Weight (lbs)12,500
Tender Loaded Weight (lbs)
Total Engine and Tender Weight (lbs)12,500
Tender Water Capacity (gals)110
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)8
Geometry Relating to Tractive Effort
Driver Diameter (in)24
Boiler Pressure (psi)150
High Pressure Cylinders (dia x stroke) (in)7" x 10"
Tractive Effort (lbs)2603
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.46
Heating Ability
Firebox Area (sq ft)17.60
Grate Area (sq ft) 4.54
Evaporative Heating Surface (sq ft)127
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)127
Evaporative Heating Surface/Cylinder Volume285.12
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation681
Same as above plus superheater percentage681
Same as above but substitute firebox area for grate area2640
Power L12896
Power MT1418.80

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