Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 36, p. 242 , Vol 54, pp. 425+ and Vol 63, pp. 235+. See also the Hawaiian Sugar Planters' Association Plantation Archives concerning the Puna Sugar Company/Olaa Sugar Company at [], last accessed 21 January 2012. Works numbers were 35291 in September 1910, 37123 in October 1911, 42863 in February 1916, and 54465 in January 1921.
Principal Dimensions by Steve Llanso of Sweat House Media | |
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Class | 8 |
Locobase ID | 13766 |
Railroad | Ola'a Sugar Company |
Country | USA |
Whyte | 2-6-0 |
Number in Class | 4 |
Road Numbers | 8, 87, 16, 21 |
Gauge | Std |
Number Built | 4 |
Builder | Baldwin |
Year | 1910 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 13.17 / 4.01 |
Engine Wheelbase (ft / m) | 20.50 / 6.25 |
Ratio of driving wheelbase to overall engine wheelbase | 0.64 |
Overall Wheelbase (engine & tender) (ft / m) | 41.58 / 12.67 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 62,000 / 28,123 |
Engine Weight (lbs / kg) | 74,000 / 33,566 |
Tender Loaded Weight (lbs / kg) | 50,500 / 22,906 |
Total Engine and Tender Weight (lbs / kg) | 124,500 / 56,472 |
Tender Water Capacity (gals / ML) | 2500 / 9.47 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1000 / 3785 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 34 / 17 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 50 / 1270 |
Boiler Pressure (psi / kPa) | 160 / 11 |
High Pressure Cylinders (dia x stroke) (in / mm) | 15" x 24" / 381x610 |
Tractive Effort (lbs / kg) | 14,688 / 6662.37 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.22 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 150 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 10.19 / 3.11 |
Firebox Area (sq ft / m2) | 81 / 7.53 |
Grate Area (sq ft / m2) | 13.30 / 1.24 |
Evaporative Heating Surface (sq ft / m2) | 882 / 81.97 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 882 / 81.97 |
Evaporative Heating Surface/Cylinder Volume | 179.63 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2128 |
Same as above plus superheater percentage | 2128 |
Same as above but substitute firebox area for grate area | 12,960 |
Power L1 | 3495 |
Power MT | 372.83 |