Data from "Four-Coupled Passenger Locomotive for the Tezpur-Balipura [sic]Tramway Co. of Assam", Locomotive Magazine, Volume XXVII [27] (15 February 1921), pp. 26. See also Mohan Bhuyan, "The Tezpur Balipara Light Railway" (2011), archived on the Indian Railways Fan Club (IRFCA) website at [], last accessed 2 February 2021.
Principal Dimensions by Steve Llanso of Sweat House Media | |
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Class | unknown |
Locobase ID | 20836 |
Railroad | Tezpur-Balipara Light Tramway |
Country | India |
Whyte | 4-4-0 |
Number in Class | 3 |
Road Numbers | |
Gauge | 2'6" |
Number Built | 3 |
Builder | WG Bagnall |
Year | 1914 |
Valve Gear | Walschaert |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 6.25 / 1.90 |
Engine Wheelbase (ft / m) | 15.58 / 4.75 |
Ratio of driving wheelbase to overall engine wheelbase | 0.40 |
Overall Wheelbase (engine & tender) (ft / m) | 28.50 / 8.69 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | |
Engine Weight (lbs / kg) | |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | 960 / 3.64 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 39 / 991 |
Boiler Pressure (psi / kPa) | 175 / 12.10 |
High Pressure Cylinders (dia x stroke) (in / mm) | 11" x 15" / 279x381 |
Tractive Effort (lbs / kg) | 6923 / 3140.22 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
Heating Ability | |
Tubes (number - dia) (in / mm) | 101 - 1.75" / 44 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 7.50 / 2.29 |
Firebox Area (sq ft / m2) | 52.87 / 4.91 |
Grate Area (sq ft / m2) | 7.45 / 0.69 |
Evaporative Heating Surface (sq ft / m2) | 399 / 37.07 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 399 / 37.07 |
Evaporative Heating Surface/Cylinder Volume | 241.84 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1304 |
Same as above plus superheater percentage | 1304 |
Same as above but substitute firebox area for grate area | 9252 |
Power L1 | 4573 |
Power MT |