Manchester & Birmingham 2-2-2 Locomotives in Great_Britain

Class Details by Steve Llanso of Sweat House Media

Class 33 (Locobase 10802)

Data from H B Barlow, "Description of the Outside Tank-Engine," in Thomas Tredgold (ed), The principles and practice and explanation of the machinery of locomotive engines in operation on the several lines of railway, Volume 1 (London: , 1850).

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID10802
RailroadManchester & Birmingham
CountryGreat Britain
Number in Class2
Road Numbers33-34
Number Built2
BuilderSharp Brothers
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)12 / 3.66
Ratio of driving wheelbase to overall engine wheelbase
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)20,160 / 9144
Weight on Drivers (lbs / kg)
Engine Weight (lbs / kg)47,040 / 21,337
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)47,040 / 21,337
Tender Water Capacity (gals / ML)576 / 2.18
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)66 / 1676
Boiler Pressure (psi / kPa)100 / 6.90
High Pressure Cylinders (dia x stroke) (in / mm)15" x 20" / 381x508
Tractive Effort (lbs / kg)5795 / 2628.57
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Tubes (number - dia) (in / mm)159 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.64 / 3.24
Firebox Area (sq ft / m2)58.60 / 5.45
Grate Area (sq ft / m2)10.75 / 1
Evaporative Heating Surface (sq ft / m2)828 / 76.95
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)828 / 76.95
Evaporative Heating Surface/Cylinder Volume202.41
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1075
Same as above plus superheater percentage1075
Same as above but substitute firebox area for grate area5860
Power L13014
Power MT

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