Data from "Locomotives of Great Northern Ry, Ireland," The Locomotive Magazine, Vol XI (15 May 1905), p. 80. See also Steamindex's GNR(I) page -- [], last accessed 12 June 2009. Works numbers were 2519-2520.
This pair -- Victoria and Albert -- pulled the Limited Mail trains from Dublin to Belfast in about 3 hours for about a decade. They were transferred to Howth in 1896 and taken out of service in 1904 -- according to Steamindex. But, see Locobase 10508 for their transformation to 4-coupled bogie passenger engines, a reconstruction reported in Locomotive Magazine in May 1905.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | JS |
| Locobase ID | 10507 |
| Railroad | Great Northern |
| Country | Ireland |
| Whyte | 4-2-2 |
| Number in Class | 2 |
| Road Numbers | 88-89 |
| Gauge | 5'3" |
| Number Built | 2 |
| Builder | Beyer, Peacock |
| Year | 1885 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | 18.96 / 5.78 |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | 22 / 6.71 |
| 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) | 1500 / 5.68 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.20 / 2 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 79 / 2007 |
| Boiler Pressure (psi / kPa) | 140 / 970 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 22" / 406x559 |
| Tractive Effort (lbs / kg) | 8484 / 3848.28 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 164 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 14.84 / 1.38 |
| Evaporative Heating Surface (sq ft / m2) | 970 / 90.15 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 970 / 90.15 |
| Evaporative Heating Surface/Cylinder Volume | 189.47 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2078 |
| Same as above plus superheater percentage | 2078 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |