Belfast & Northern Counties 2-4-2 Locomotives in Ireland


Class Details by Steve Llanso of Sweat House Media

Class S1 (Locobase 10228)

Data from [] . This upgrade of two existing S-class locomotives (Locobase 2688)

Principal Dimensions by Steve Llanso of Sweat House Media

ClassS1
Locobase ID10228
RailroadBelfast & Northern Counties (NCC)
CountryIreland
Whyte2-4-2T
Number in Class2
Road Numbers101-102
Gauge3'
Number Built
BuilderYork Road
Year1928
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m) 6.25 / 1.90
Engine Wheelbase (ft / m)22.25 / 6.78
Ratio of driving wheelbase to overall engine wheelbase 0.28
Overall Wheelbase (engine & tender) (ft / m)22.25 / 6.78
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)44,800 / 20,321
Engine Weight (lbs / kg)73,920 / 33,530
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)73,920 / 33,530
Tender Water Capacity (gals / ML)684 / 2.59
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 1.10 / 1
Minimum weight of rail (calculated) (lb/yd / kg/m)37 / 18.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)45 / 1143
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)14.75" x 20" / 375x508 (1)
Low Pressure Cylinders (dia x stroke) (in / mm)21" x 20" / 533x508 (1)
Tractive Effort (lbs / kg)8806 / 3994.34
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.09
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)58.20 / 5.41
Grate Area (sq ft / m2)11.29 / 1.05
Evaporative Heating Surface (sq ft / m2)673 / 62.55
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)673 / 62.55
Evaporative Heating Surface/Cylinder Volume340.29
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1806
Same as above plus superheater percentage1806
Same as above but substitute firebox area for grate area9312
Power L12886
Power MT284.04

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