Data from E L Ahrons, The British Railway Locomotive, 1825-1925 (London: Locomotive Publishing Company, 1927); and from "The History of the London & South Western Ry. Locomotives", The Locomotive Magazine, Volume XIV [14] (15 July 1908), pp. 118-119.
Designed by Adams and introduced in the 50th year of Queen Victoria's reign, hence the name. Nine Elms built 50 and Neilson produced 40 for mixed-traffic work. LM reports that they were used for heavy excursion and troop special services, Central and North Devon passenger trains, and fast goods services from London to the West of England, Southampton, and Weymouth.
Glover (1967) notes the use of inside cylinders, atypical of South Western practice, stemmed from the wheel arrangement in which outside cylinders would have set up too much of a boxing motion. Ahrons notes that the steam chests were under the cylinders in the first 60, inside (toward the centerline) in later engines. Some of the engines had 218 tubes and a total heating surface of 1,248 sq ft (115.94 sq m).
Principal Dimensions by Steve Llanso of Middle Run Media | |
---|---|
Class | Jubilee |
Locobase ID | 2242 |
Railroad | London & South Western |
Country | Great Britain |
Whyte | 0-4-2 |
Number in Class | 90 |
Road Numbers | 527-556 |
Gauge | Std |
Number Built | 90 |
Builder | several |
Year | 1887 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 8 / 2.44 |
Engine Wheelbase (ft / m) | 16.83 / 5.13 |
Ratio of driving wheelbase to overall engine wheelbase | 0.48 |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 64,960 / 29,465 |
Engine Weight (lbs / kg) | 94,640 / 42,928 |
Tender Loaded Weight (lbs / kg) | 71,680 / 32,514 |
Total Engine and Tender Weight (lbs / kg) | 166,320 / 75,442 |
Tender Water Capacity (gals / ML) | 4000 / 15.15 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 54 / 27 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 73 / 1854 |
Boiler Pressure (psi / kPa) | 160 / 1100 |
High Pressure Cylinders (dia x stroke) (in / mm) | 18" x 26" / 457x660 |
Tractive Effort (lbs / kg) | 15,694 / 7118.69 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.14 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 216 - 1.75" / 44 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 11.33 |
Firebox Area (sq ft / m2) | 110 / 10.22 |
Grate Area (sq ft / m2) | 17 / 1.58 |
Evaporative Heating Surface (sq ft / m2) | 1231 / 114.41 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1231 / 114.41 |
Evaporative Heating Surface/Cylinder Volume | 160.75 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2720 |
Same as above plus superheater percentage | 2720 |
Same as above but substitute firebox area for grate area | 17,600 |
Power L1 | 4528 |
Power MT | 307.34 |