Bengal & North-Western / Bengal North Western 0-6-0 Locomotives in India


Class Details by Steve Llanso of Sweat House Media

Class F (Locobase 20815)

Data from "Metre Gauge Goods Locomotives Rohilkund-Kumaon Railway", The Locomotive Magazine, Volume XXVI [26] (13 March 1920), p. 62.

As noted in Locobase 10180 for the O-class passenger engines, this goods locomotive design was a standard for most metre-gauge railways of the time. The program which continued for almost 50 years (1874 to 1922) saw over 1,000 engines built (see Locobase 3039).

Unlike the passenger engines, however, F goods locomotives had inside plate frames and inside valve motion serving outside cylinders. These had Belpaire fireboxes. Seven Rohilkund-Kumaon examples completed the 20-engine order; see Locobase 20815.


Class F (Locobase 10181)

Data from "Locomotives for the Indian Metre Gauge Rys", The Locomotive Magazine, Volume VI [6] (15 February 1901), p. 50.

As noted in Locobase 10180 for the O-class passenger engines, this goods locomotive design was a standard for most metre-gauge railways of the time. The program which continued for almost 50 years (1874 to 1922) saw over 1,000 engines built (see Locobase 3039).

Unlike the passenger engines, however, the freighters had inside plate frames and inside valve motion. Some railways preferred round-top boilers, others prescribed Belpaire-firebox designs. The locomotive described in the specifications had a round-topped boiler.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassFF
Locobase ID20815 10181
RailroadBengal & North-WesternBengal North Western
CountryIndiaIndia
Whyte0-6-00-6-0
Number in Class13
Road Numbers
GaugeMetreMetre
Number Built13
BuilderWG Bagnallseveral
Year19201900
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)11 / 3.3511 / 3.35
Engine Wheelbase (ft / m)11 / 3.3511 / 3.35
Ratio of driving wheelbase to overall engine wheelbase11
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)17,808 / 807817,808 / 8078
Weight on Drivers (lbs / kg)51,324 / 23,28051,324 / 23,280
Engine Weight (lbs / kg)51,324 / 23,28051,324 / 23,280
Tender Loaded Weight (lbs / kg)36,092 / 16,37136,092 / 16,371
Total Engine and Tender Weight (lbs / kg)87,416 / 39,65187,416 / 39,651
Tender Water Capacity (gals / ML)2400 / 9.091200 / 4.55
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 4.40 / 4 4.70 / 4
Minimum weight of rail (calculated) (lb/yd / kg/m)29 / 14.5029 / 14.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)43.50 / 110542.50 / 1080
Boiler Pressure (psi / kPa)160 / 11140 / 9.70
High Pressure Cylinders (dia x stroke) (in / mm)14" x 20" / 356x50814" x 20" / 356x508
Tractive Effort (lbs / kg)12,256 / 5559.2310,976 / 4978.64
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.19 4.68
Heating Ability
Tubes (number - dia) (in / mm)144 - 1.625" / 41144 - 1.625" / 41
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 9.50 / 2.90 9.50 / 2.90
Firebox Area (sq ft / m2)62.60 / 5.8268.80 / 6.39
Grate Area (sq ft / m2)12.50 / 1.1612.50 / 1.16
Evaporative Heating Surface (sq ft / m2)638 / 59.27652 / 60.57
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)638 / 59.27652 / 60.57
Evaporative Heating Surface/Cylinder Volume179.04182.97
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation20001750
Same as above plus superheater percentage20001750
Same as above but substitute firebox area for grate area10,0169632
Power L130962772
Power MT398.97357.21

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