Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volumes 53, pp. 298+. See also the Sierra Historical Society's account of the SJ&E on [] . Works number was 41472 in June 1914.
Principal Dimensions by Steve Llanso of Sweat House Media | |
---|---|
Class | 201 |
Locobase ID | 14335 |
Railroad | San Joaquin & Eastern |
Country | USA |
Whyte | 4-6-0 |
Number in Class | 1 |
Road Numbers | 201 |
Gauge | Std |
Number Built | 1 |
Builder | Baldwin |
Year | 1914 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 10.50 / 3.20 |
Engine Wheelbase (ft / m) | 20.58 / 6.27 |
Ratio of driving wheelbase to overall engine wheelbase | 0.51 |
Overall Wheelbase (engine & tender) (ft / m) | 48.79 / 14.87 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 90,000 / 40,823 |
Engine Weight (lbs / kg) | 115,000 / 52,163 |
Tender Loaded Weight (lbs / kg) | 90,000 / 40,823 |
Total Engine and Tender Weight (lbs / kg) | 205,000 / 92,986 |
Tender Water Capacity (gals / ML) | 4500 / 17.05 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2000 / 7570 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 50 / 25 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 56 / 1422 |
Boiler Pressure (psi / kPa) | 180 / 12.40 |
High Pressure Cylinders (dia x stroke) (in / mm) | 18" x 24" / 457x610 |
Tractive Effort (lbs / kg) | 21,245 / 9636.58 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.24 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 198 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 12.25 / 3.73 |
Firebox Area (sq ft / m2) | 124 / 11.52 |
Grate Area (sq ft / m2) | 21.20 / 1.97 |
Evaporative Heating Surface (sq ft / m2) | 1385 / 128.72 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1385 / 128.72 |
Evaporative Heating Surface/Cylinder Volume | 195.90 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 3816 |
Same as above plus superheater percentage | 3816 |
Same as above but substitute firebox area for grate area | 22,320 |
Power L1 | 4764 |
Power MT | 350.09 |