Stockton & Darlington 4-4-0 Locomotives in Great_Britain


Class Details by Steve Llanso of Sweat House Media

Class Bogie passenger (Locobase 20182)

Data from "William Bouch: No. 1269" archived in Grace's Guide to British Industrial History at [link], last accessed 9 April 2017.

William Bouch's engine was presented in 24 September 1875 issue of the Engineer. It noted a claim that the locomotive could reach 60 mph hauling fourteen coaches.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassBogie passenger
Locobase ID20182
RailroadStockton & Darlington
CountryGreat Britain
Whyte4-4-0
Number in Class
Road Numbers
GaugeStd
Number Built
BuilderDarlington
Year1874
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)10 / 3.05
Engine Wheelbase (ft / m)10 / 3.05
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)
Engine Weight (lbs / kg)94,080 / 42,674
Tender Loaded Weight (lbs / kg)51,520 / 23,369
Total Engine and Tender Weight (lbs / kg)145,600 / 66,043
Tender Water Capacity (gals / ML)
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)84 / 2134
Boiler Pressure (psi / kPa)140 / 970
High Pressure Cylinders (dia x stroke) (in / mm)17" x 30" / 432x762
Tractive Effort (lbs / kg)12,283 / 5571.48
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Tubes (number - dia) (in / mm)210 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2)13.30 / 1.24
Evaporative Heating Surface (sq ft / m2)1217 / 113.06
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1217 / 113.06
Evaporative Heating Surface/Cylinder Volume154.42
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1862
Same as above plus superheater percentage1862
Same as above but substitute firebox area for grate area
Power L1
Power MT

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