These lightweight tanks -- Barclay works #933-936 -- operated on the Letterkenny & Burtonport Extension Railway, part of the L&LS.
#1 was scrapped in 1940, #4 in 1953, and the other two in 1954.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | unknown |
| Locobase ID | 2694 |
| Railroad | Londonderry & Lough Swilly |
| Country | Ireland |
| Whyte | 4-6-0T |
| Number in Class | 4 |
| Road Numbers | 1-4 |
| Gauge | 3' |
| Number Built | 4 |
| Builder | Andrew Barclay |
| Year | 1902 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 9.50 |
| Engine Wheelbase (ft / m) | |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | |
| Engine Weight (lbs / kg) | 67,200 / 30,481 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 67,200 / 30,481 |
| Tender Water Capacity (gals / ML) | 600 |
| 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) | 42 / 1067 |
| Boiler Pressure (psi / kPa) | 150 / 1030 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 20" / 356x508 |
| Tractive Effort (lbs / kg) | 11,900 / 5397.76 |
| 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) | 9.34 |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 9.30 |
| Evaporative Heating Surface (sq ft / m2) | |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | |
| Evaporative Heating Surface/Cylinder Volume | |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1395 |
| Same as above plus superheater percentage | 1395 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |