Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 25, p. 238. Works number was 21823 in March 1903.
A tiny plantation Mogul for this very skinny gauge railroad, which opened in 1905 and closed in 1955.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | Rosa |
Locobase ID | 13644 |
Railroad | Tatetla |
Country | Mexico |
Whyte | 2-6-0 |
Number in Class | 1 |
Road Numbers | 1 |
Gauge | 60 cm |
Number Built | 1 |
Builder | Baldwin |
Year | 1910 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 9.83 / 3 |
Engine Wheelbase (ft / m) | 14.58 / 4.44 |
Ratio of driving wheelbase to overall engine wheelbase | 0.67 |
Overall Wheelbase (engine & tender) (ft / m) | 29.83 / 9.58 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 7000 / 3175 |
Weight on Drivers (lbs / kg) | 21,000 / 9525 |
Engine Weight (lbs / kg) | 24,000 / 10,886 |
Tender Loaded Weight (lbs / kg) | 25,000 / 11,340 |
Total Engine and Tender Weight (lbs / kg) | 49,000 / 22,226 |
Tender Water Capacity (gals / ML) | 1000 / 3.79 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 12 / 6 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 28 / 711 |
Boiler Pressure (psi / kPa) | 150 / 1030 |
High Pressure Cylinders (dia x stroke) (in / mm) | 9" x 14" / 229x356 |
Tractive Effort (lbs / kg) | 5164 / 2342.35 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.07 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 82 - 1.5" / 38 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 6.67 / 2.03 |
Firebox Area (sq ft / m2) | 41 / 3.81 |
Grate Area (sq ft / m2) | 8.34 / 0.77 |
Evaporative Heating Surface (sq ft / m2) | 253 / 23.50 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 253 / 23.50 |
Evaporative Heating Surface/Cylinder Volume | 245.63 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1251 |
Same as above plus superheater percentage | 1251 |
Same as above but substitute firebox area for grate area | 6150 |
Power L1 | 3113 |
Power MT | 980.43 |