Northern Counties Committee 2-6-4 Locomotives in Ireland
Class Details by Steve Llanso of Sweat House Media
Class WT (Locobase 10664)
Data from [
],png,gif. See also the Railway Preservation Society of Ireland's article on the Jeep, [
], last accessed 17 July 2009.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | WT |
| Locobase ID | 10664 |
| Railroad | Northern Counties Committee (NCC) |
| Country | Ireland |
| Whyte | 2-6-4T |
| Number in Class | 18 |
| Road Numbers | 1-10, 50-57 |
| Gauge | 5'3" |
| Number Built | 18 |
| Builder | Derby |
| Year | 1946 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | 37.75 / 11.51 |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | 37.75 / 11.51 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 39,200 / 17,781 |
| Weight on Drivers (lbs / kg) | 117,770 / 53,420 |
| Engine Weight (lbs / kg) | 194,880 / 88,396 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 194,880 / 88,396 |
| Tender Water Capacity (gals / ML) | 3000 / 11.36 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.90 / 3.50 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 65 / 32.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 72 / 1829 |
| Boiler Pressure (psi / kPa) | 200 / 13.80 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19" x 26" / 483x660 |
| Tractive Effort (lbs / kg) | 22,161 / 10052.07 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.31 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 124 - 2" / 51 |
| Flues (number - dia) (in / mm) | 30 - 5.25" / 133 |
| Flue/Tube length (ft / m) | 13.49 / 4.11 |
| Firebox Area (sq ft / m2) | 129.75 / 12.05 |
| Grate Area (sq ft / m2) | 25 / 2.32 |
| Evaporative Heating Surface (sq ft / m2) | 1637 / 152.08 |
| Superheating Surface (sq ft / m2) | 409 / 38 |
| Combined Heating Surface (sq ft / m2) | 2046 / 190.08 |
| Evaporative Heating Surface/Cylinder Volume | 191.86 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5000 |
| Same as above plus superheater percentage | 6000 |
| Same as above but substitute firebox area for grate area | 31,140 |
| Power L1 | 16,784 |
| Power MT | 942.57 |