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 Middle Run Media | |
|---|---|
| Class | 33 |
| Locobase ID | 10802 |
| Railroad | Manchester & Birmingham |
| Country | Great Britain |
| Whyte | 2-2-2T |
| Number in Class | 2 |
| Road Numbers | 33-34 |
| Gauge | Std |
| Number Built | 2 |
| Builder | Sharp Brothers |
| Year | 1847 |
| 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 / 690 |
| 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 Volume | 202.41 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1075 |
| Same as above plus superheater percentage | 1075 |
| Same as above but substitute firebox area for grate area | 5860 |
| Power L1 | 3014 |
| Power MT | |