Data from A R Bennett, "The Isle of Wight Railway and Its Locomotives," The Locomotive Magazine, Vol XXVI (February 1920), pp. 192-195.
This very serviceable saddle tank had a long life on the Isle of Wight, particularly in supporting construction projects.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Bembridge |
| Locobase ID | 20771 |
| Railroad | Isle of Wight |
| Country | Great Britain |
| Whyte | 0-6-0ST |
| Number in Class | 1 |
| Road Numbers | |
| Gauge | Std |
| Number Built | 1 |
| Builder | Manning Wardle |
| Year | 1875 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | 14.67 / 4.47 |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | 14.67 / 4.47 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | |
| Engine Weight (lbs / kg) | 77,056 / 34,952 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1200 / 4.55 |
| 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) | 36 / 914 |
| Boiler Pressure (psi / kPa) | 120 / 830 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 13" x 18" / 330x457 |
| Tractive Effort (lbs / kg) | 8619 / 3909.52 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 127 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.42 / 2.57 |
| Firebox Area (sq ft / m2) | 50 / 4.65 |
| Grate Area (sq ft / m2) | 8 / 0.74 |
| Evaporative Heating Surface (sq ft / m2) | 540 / 50.17 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 540 / 50.17 |
| Evaporative Heating Surface/Cylinder Volume | 195.28 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 960 |
| Same as above plus superheater percentage | 960 |
| Same as above but substitute firebox area for grate area | 6000 |
| Power L1 | 2057 |
| Power MT | |