Data from Roy V Wright (Ed.) 1922 Locomotive Cyclopedia of American Practice, Sixth Edition (New York: Simmons-Boardman Publishing Company, 1922), p. 1025. Works numbers were 5843 in June 1916, 5844-5845 in July.
Principal Dimensions by Steve Llanso of Middle Run Media | |
---|---|
Class | 20 |
Locobase ID | 14997 |
Railroad | National Tube Company |
Country | USA |
Whyte | 0-4-0ST |
Number in Class | 3 |
Road Numbers | 20-22 |
Gauge | Std |
Number Built | 3 |
Builder | Porter |
Year | 1916 |
Valve Gear | Walschaert |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 5.75 / 1.75 |
Engine Wheelbase (ft / m) | 5.75 / 1.75 |
Ratio of driving wheelbase to overall engine wheelbase | 1 |
Overall Wheelbase (engine & tender) (ft / m) | 5.75 / 1.75 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 96,000 / 43,545 |
Engine Weight (lbs / kg) | 96,000 / 43,545 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | / 2.65 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | / 1 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 80 / 40 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 42 / 1067 |
Boiler Pressure (psi / kPa) | 175 / 1210 |
High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 20" / 432x508 |
Tractive Effort (lbs / kg) | 20,471 / 9285.50 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.69 |
Heating Ability | |
Tubes (number - dia) (in / mm) | |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | |
Firebox Area (sq ft / m2) | 73 / 6.78 |
Grate Area (sq ft / m2) | 18.75 / 1.74 |
Evaporative Heating Surface (sq ft / m2) | 870 / 80.82 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 870 / 80.82 |
Evaporative Heating Surface/Cylinder Volume | 165.71 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 3281 |
Same as above plus superheater percentage | 3281 |
Same as above but substitute firebox area for grate area | 12,775 |
Power L1 | 2882 |
Power MT | 132.37 |