Data from "Narrow Gauge Tank Locomotive for India," The Locomotive Magazine, Vol X (15 November 1904), p. 199. Works number was 4826.
This small tank operated on a recently opened extension of the D J. Its running gear wasw covered by a set of panels, which suggests the railway ran along the road.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | Edward VII |
Locobase ID | 10477 |
Railroad | Darjeeling & Himalaya |
Country | India |
Whyte | 0-4-2T |
Number in Class | 1 |
Road Numbers | |
Gauge | 2' |
Number Built | 1 |
Builder | Sharp, Stewart |
Year | 1902 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 4.25 / 1.30 |
Engine Wheelbase (ft / m) | 9.33 / 2.84 |
Ratio of driving wheelbase to overall engine wheelbase | 0.46 |
Overall Wheelbase (engine & tender) (ft / m) | 9.33 / 2.84 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | |
Engine Weight (lbs / kg) | 28,000 / 12,701 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | 240 / 0.91 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.80 / 1 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 30 / 762 |
Boiler Pressure (psi / kPa) | 160 / 1100 |
High Pressure Cylinders (dia x stroke) (in / mm) | 8" x 14" / 203x356 |
Tractive Effort (lbs / kg) | 4062 / 1842.49 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
Heating Ability | |
Tubes (number - dia) (in / mm) | |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | |
Firebox Area (sq ft / m2) | 28 / 2.60 |
Grate Area (sq ft / m2) | 7.16 / 0.67 |
Evaporative Heating Surface (sq ft / m2) | 215 / 19.97 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 215 / 19.97 |
Evaporative Heating Surface/Cylinder Volume | 263.97 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1146 |
Same as above plus superheater percentage | 1146 |
Same as above but substitute firebox area for grate area | 4480 |
Power L1 | 3487 |
Power MT |