Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 15, p. 23. (Thanks to John Taubeneck for his 6 May 2017 email noting errors in the original comments.) Works numbers were 9847 in March 1889 and 9973 in April.
These two tank engines were ordered by the Pacific Beach Company on behalf of the WBR of Portland, Ore. As they entered service, they bore the names of destinations: Sunnyside on #2, Mount Tabor on #3.
The WBR was transformed into the City & Suburban Railway in September 1891, but the two dummies retained their numbers.
In 1900, both were sold to Star Logging & Lumbering, which soon sold them to Yeon & Pelton, from which they went to Portland Lumber in 1905, and to Japan in 1908.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | Sunnyside |
Locobase ID | 11583 |
Railroad | Willamette Bridge Railway |
Country | USA |
Whyte | 0-4-2T |
Number in Class | 2 |
Road Numbers | 2-3 |
Gauge | 3'6" |
Number Built | 2 |
Builder | Burnham, Parry, Williams & Co |
Year | 1889 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 4.50 / 1.37 |
Engine Wheelbase (ft / m) | 11.67 / 3.56 |
Ratio of driving wheelbase to overall engine wheelbase | 0.39 |
Overall Wheelbase (engine & tender) (ft / m) | 11.67 / 3.56 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 16,280 / 7384 |
Weight on Drivers (lbs / kg) | 28,000 / 12,701 |
Engine Weight (lbs / kg) | 35,350 / 16,035 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | 450 / 1.70 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 23 / 11.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 36 / 914 |
Boiler Pressure (psi / kPa) | 130 / 900 |
High Pressure Cylinders (dia x stroke) (in / mm) | 11" x 16" / 279x406 |
Tractive Effort (lbs / kg) | 5942 / 2695.25 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.71 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 67 - 1.75" / 44 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 8.58 / 2.62 |
Firebox Area (sq ft / m2) | |
Grate Area (sq ft / m2) | 9.60 / 0.89 |
Evaporative Heating Surface (sq ft / m2) | |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | |
Evaporative Heating Surface/Cylinder Volume | |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1248 |
Same as above plus superheater percentage | 1248 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |