Data from "New 4-6-2 Locomotive for the Eskdale Railway, 15 in Gauge", Locomotive Magazine, Volume XXV [25] (15 May 1919), p.65.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Sir Aubrey Brocklebank |
| Locobase ID | 20750 |
| Railroad | Ravenglass & Esksale |
| Country | Great Britain |
| Whyte | 4-6-2 |
| Number in Class | 1 |
| Road Numbers | 5 |
| Gauge | 15 in |
| Number Built | 1 |
| Builder | Hunt & Company |
| Year | 1919 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 3.54 / 1.08 |
| Engine Wheelbase (ft / m) | 8.46 / 2.58 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.42 |
| 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) | |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 8.80 / 8 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 20 / 508 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 4.13" x 6.75" / 105x171 (3) |
| Tractive Effort (lbs / kg) | 1321 / 599.20 |
| 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) | 1.89 / 0.58 |
| Firebox Area (sq ft / m2) | 9.80 / 0.91 |
| Grate Area (sq ft / m2) | |
| Evaporative Heating Surface (sq ft / m2) | 81 / 7.53 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 81 / 7.53 |
| Evaporative Heating Surface/Cylinder Volume | 515.96 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | |
| Same as above plus superheater percentage | |
| Same as above but substitute firebox area for grate area | 1764 |
| Power L1 | 4968 |
| Power MT | |