Data from George L Fowler, Locomotive Dictionary (1st Ed.), (New York: Railroad Gazette, 1906), p. 9, Figure 18. Date is an estimate.
Locobase has only the data supplied in the Fowler plate in the 1906 edition. He has not been able to identify this locomotive further and one doubts the builder's identity as well.
Whoever produced it resorted to a rare wheel arrangement.
Principal Dimensions by Steve Llanso of Middle Run Media | |
---|---|
Class | Dirigo |
Locobase ID | 10699 |
Railroad | Murphy Lumber Company |
Country | USA |
Whyte | 0-6-4ST |
Number in Class | 1 |
Road Numbers | 1 |
Gauge | Std |
Number Built | 1 |
Builder | |
Year | 1905 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | |
Engine Wheelbase (ft / m) | |
Ratio of driving wheelbase to overall engine wheelbase | |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 56,200 / 25,492 |
Engine Weight (lbs / kg) | 69,400 / 31,479 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 31 / 15.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 38 / 965 |
Boiler Pressure (psi / kPa) | 150 / 1030 |
High Pressure Cylinders (dia x stroke) (in / mm) | 13" x 18" / 330x457 |
Tractive Effort (lbs / kg) | 10,207 / 4629.82 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.51 |
Heating Ability | |
Tubes (number - dia) (in / mm) | |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | |
Firebox Area (sq ft / m2) | 40 / 3.72 |
Grate Area (sq ft / m2) | |
Evaporative Heating Surface (sq ft / m2) | 723 / 67.19 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 723 / 67.19 |
Evaporative Heating Surface/Cylinder Volume | 261.01 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | |
Same as above plus superheater percentage | |
Same as above but substitute firebox area for grate area | 6000 |
Power L1 | 3166 |
Power MT | 372.59 |