Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 34, p. 274. See also David F Myrick, Railroads of Nevada and Eastern California: Volume II: The Southern Roads (Reno, Nev: University of Nevada Press, 1991 as a reprint of original published by Howell-North Books of Berkeley, Calif in 1963), p. 595-597; and J A McCulloch "Revisiting the Tecopa Railroad-Walking along the roadbed of the Tecopa Railroad", delivered 8 April 2002 at the first Nevada & Eastern California Shortline Symposium and found at [], last accessed 3 February 2015; and "Digital Desert ...Tecopa (20th Century)" at [
], also last accessed 3 February 2015. (Thanks to Chris Hohl for his March 2015 emails on the two Locobase entries for the #1, his persuasive math that led to an adjustment of the engine weight, and for suggesting that one cylinder was one too few for this locomotive.) Works number was 34089 in November 1909.
Principal Dimensions by Steve Llanso of Sweat House Media | |
---|---|
Class | 1 |
Locobase ID | 13602 |
Railroad | Tecopa |
Country | USA |
Whyte | 2-6-2ST |
Number in Class | 1 |
Road Numbers | 1 |
Gauge | Std |
Number Built | 1 |
Builder | Baldwin |
Year | 1909 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 10 / 3.05 |
Engine Wheelbase (ft / m) | 26.50 / 8.08 |
Ratio of driving wheelbase to overall engine wheelbase | 0.38 |
Overall Wheelbase (engine & tender) (ft / m) | 26.50 / 8.08 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 100,000 / 45,359 |
Engine Weight (lbs / kg) | 138,200 / 62,687 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | 138,200 |
Tender Water Capacity (gals / ML) | 1700 / 6.44 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 850 / 3217 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 56 / 28 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 44 / 1118 |
Boiler Pressure (psi / kPa) | 170 / 11.70 |
High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 |
Tractive Effort (lbs / kg) | 22,778 / 10331.94 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.39 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 211 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 13.50 / 4.11 |
Firebox Area (sq ft / m2) | 105 / 9.75 |
Grate Area (sq ft / m2) | 15.50 / 1.44 |
Evaporative Heating Surface (sq ft / m2) | 1587 / 147.49 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1587 / 147.49 |
Evaporative Heating Surface/Cylinder Volume | 251.51 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2635 |
Same as above plus superheater percentage | 2635 |
Same as above but substitute firebox area for grate area | 17,850 |
Power L1 | 4173 |
Power MT | 276.00 |