Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 35, p. 231. See also the North Carolina Rails account at
[
Principal Dimensions by Steve Llanso of Sweat House Media | |
---|---|
Class | M |
Locobase ID | 13675 |
Railroad | Winston-Salem Southbound |
Country | USA |
Whyte | 4-8-0 |
Number in Class | 4 |
Road Numbers | 200-203 |
Gauge | Std |
Number Built | 4 |
Builder | Baldwin |
Year | 1911 |
Valve Gear | Walschaert |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 15.50 / 4.72 |
Engine Wheelbase (ft / m) | 26.42 / 8.05 |
Ratio of driving wheelbase to overall engine wheelbase | 0.59 |
Overall Wheelbase (engine & tender) (ft / m) | 53.58 / 16.33 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 168,000 / 76,204 |
Engine Weight (lbs / kg) | 200,000 / 90,719 |
Tender Loaded Weight (lbs / kg) | 116,600 / 52,889 |
Total Engine and Tender Weight (lbs / kg) | 316,600 / 143,608 |
Tender Water Capacity (gals / ML) | 6000 / 22.73 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 10 / 9 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 70 / 35 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 56 / 1422 |
Boiler Pressure (psi / kPa) | 200 / 13.80 |
High Pressure Cylinders (dia x stroke) (in / mm) | 21" x 30" / 533x762 |
Tractive Effort (lbs / kg) | 40,163 / 18217.65 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.18 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 242 - 2.25" / 57 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 18.41 / 5.61 |
Firebox Area (sq ft / m2) | 150 / 13.94 |
Grate Area (sq ft / m2) | 44.50 / 4.13 |
Evaporative Heating Surface (sq ft / m2) | 2760 / 256.41 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 2760 / 256.41 |
Evaporative Heating Surface/Cylinder Volume | 229.43 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 8900 |
Same as above plus superheater percentage | 8900 |
Same as above but substitute firebox area for grate area | 30,000 |
Power L1 | 5446 |
Power MT | 285.87 |