Data from "Railway Notes, Dublin & South Eastern Ry", The Locomotive Magazine, Vol XIV (15 June 1908), p. 55.
All Locobase knows is that this was a small home-built passenger tank engine with a Belpaire firebox.
Data from "Four-Coupled Bogie Express Engine for the Dublin, Wicklow & Wexford Railway.," The Locomotive & Railway Carriage & Wagon Review, Vol III (November 1898), p. 165.
This apparently was a one-off tank engine built at the home shops.
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | St Aiden | St Patrick |
| Locobase ID | 10656 | 10104 |
| Railroad | Dublin & South Eastern (DSE) | Dublin, Wicklow & Wexford (DSE) |
| Country | Ireland | Ireland |
| Whyte | 2-4-2T | 2-4-2T |
| Number in Class | 1 | 1 |
| Road Numbers | 27 | |
| Gauge | 5'3" | 5'3" |
| Number Built | 1 | 1 |
| Builder | DWW | |
| Year | 1908 | 1898 |
| Valve Gear | Stephenson | Stephenson |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | 7.83 / 2.39 | |
| Engine Wheelbase (ft / m) | 20.33 / 6.20 | |
| Ratio of driving wheelbase to overall engine wheelbase | 0.39 | |
| Overall Wheelbase (engine & tender) (ft / m) | 20.33 / 6.20 | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
| Weight on Drivers (lbs / kg) | ||
| Engine Weight (lbs / kg) | 120,960 / 54,867 | 116,480 / 52,835 |
| Tender Loaded Weight (lbs / kg) | ||
| Total Engine and Tender Weight (lbs / kg) | 120,960 / 54,867 | 116,480 / 52,835 |
| Tender Water Capacity (gals / ML) | 1800 / 6.82 | 1800 / 6.82 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | ||
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 66 / 1676 | 66 / 1676 |
| Boiler Pressure (psi / kPa) | 175 / 1210 | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 | 17" x 24" / 432x610 |
| Tractive Effort (lbs / kg) | 15,632 / 7090.56 | 14,292 / 6482.75 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | ||
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | 171 - 1.75" / 44 | |
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | 10.50 / 3.20 | |
| Firebox Area (sq ft / m2) | 128 / 11.90 | |
| Grate Area (sq ft / m2) | 17 / 1.58 | 15 / 1.39 |
| Evaporative Heating Surface (sq ft / m2) | 958 / 89.03 | 951 / 88.38 |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 958 / 89.03 | 951 / 88.38 |
| Evaporative Heating Surface/Cylinder Volume | 151.94 | 150.83 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 2975 | 2400 |
| Same as above plus superheater percentage | 2975 | 2400 |
| Same as above but substitute firebox area for grate area | 20,480 | |
| Power L1 | 4441 | |
| Power MT | ||