Data from drawing archived at [], last accessed 26 July 2015. Works numbers were 351-352 , 354-355 in 1854.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 34 |
| Locobase ID | 16106 |
| Railroad | Shrewsbury & Hereford |
| Country | Great Britain |
| Whyte | 2-4-0 |
| Number in Class | 4 |
| Road Numbers | 34 |
| Gauge | Std |
| Number Built | 4 |
| Builder | Vulcan Foundry |
| Year | 1854 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 8.25 / 2.51 |
| Engine Wheelbase (ft / m) | 15.25 / 4.65 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.54 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | |
| Engine Weight (lbs / kg) | |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1680 / 6.36 |
| 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) | 60 / 1435 |
| Boiler Pressure (psi / kPa) | 90 / 620 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 24" / 406x610 |
| Tractive Effort (lbs / kg) | 7834 / 3553.45 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | / 5.39 |
| Grate Area (sq ft / m2) | 15 / 1.39 |
| Evaporative Heating Surface (sq ft / m2) | 1157 / 107.49 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1157 / 107.49 |
| Evaporative Heating Surface/Cylinder Volume | 207.16 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1350 |
| Same as above plus superheater percentage | 1350 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |