Data from [] . This upgrade of two existing S-class locomotives (Locobase 2688)
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | S1 |
| Locobase ID | 10228 |
| Railroad | Belfast & Northern Counties (NCC) |
| Country | Ireland |
| Whyte | 2-4-2T |
| Number in Class | 2 |
| Road Numbers | 101-102 |
| Gauge | 3' |
| Number Built | |
| Builder | York Road |
| Year | 1928 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.25 / 1.90 |
| Engine Wheelbase (ft / m) | 22.25 / 6.78 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.28 |
| Overall Wheelbase (engine & tender) (ft / m) | 22.25 / 6.78 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 44,800 / 20,321 |
| Engine Weight (lbs / kg) | 73,920 / 33,530 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 684 / 2.59 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.10 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 37 / 18.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 45 / 1143 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14.75" x 20" / 375x508 (1) |
| Low Pressure Cylinders (dia x stroke) (in / mm) | 21" x 20" / 533x508 (1) |
| Tractive Effort (lbs / kg) | 8806 / 3994.34 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.09 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 58.20 / 5.41 |
| Grate Area (sq ft / m2) | 11.29 / 1.05 |
| Evaporative Heating Surface (sq ft / m2) | 673 / 62.55 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 673 / 62.55 |
| Evaporative Heating Surface/Cylinder Volume | 340.29 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1806 |
| Same as above plus superheater percentage | 1806 |
| Same as above but substitute firebox area for grate area | 9312 |
| Power L1 | 2886 |
| Power MT | 284.04 |