Data from Howell, Comparative Statistics of the Australasian Railways, Journal of the Royal Statistical Society, March 1899, pp. 96-97. Works numbers were 3390-3393 in 189-1892; 3505-3506 in 1892, and 4309-4310 in 1901.
Data from Howell, Comparative Statistics of the Australasian Railways, Journal of the Royal Statistical Society, March 1899, pp. 96-97. Delivered in four separate shipments over 6 years. Works numbers were 2510-2511 in 1884; 2615-2616, 2692-2694 in 1886; 2830 in 1887; and 3129-3131 in 1890.
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | A | B |
| Locobase ID | 9555 | 9556 |
| Railroad | Tasmanian Government | Tasmanian Government |
| Country | Australia | Australia |
| Whyte | 4-4-0 | 4-4-0 |
| Number in Class | 8 | 15 |
| Road Numbers | ||
| Gauge | 3'6" | 3'6" |
| Number Built | 8 | 15 |
| Builder | Beyer, Peacock | Beyer, Peacock |
| Year | 1892 | 1885 |
| Valve Gear | Stephenson | Stephenson |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | ||
| Engine Wheelbase (ft / m) | 18.58 / 5.66 | 16.75 / 5.11 |
| Ratio of driving wheelbase to overall engine wheelbase | ||
| Overall Wheelbase (engine & tender) (ft / m) | 36.58 / 11.15 | 33 / 10.06 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
| Weight on Drivers (lbs / kg) | 44,240 / 20,067 | 39,760 / 18,035 |
| Engine Weight (lbs / kg) | 66,640 / 30,227 | 58,800 / 26,671 |
| Tender Loaded Weight (lbs / kg) | 45,920 / 20,829 | 45,920 / 20,829 |
| Total Engine and Tender Weight (lbs / kg) | 112,560 / 51,056 | 104,720 / 47,500 |
| Tender Water Capacity (gals / ML) | 2040 / 7.73 | 1920 / 7.27 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 | 2.80 / 2.50 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 37 / 18.50 | 33 / 16.50 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 55 / 1397 | 48 / 1219 |
| Boiler Pressure (psi / kPa) | 150 / 1030 | 140 / 970 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15.5" x 22" / 394x559 | 14.5" x 20" / 368x508 |
| Tractive Effort (lbs / kg) | 12,253 / 5557.87 | 10,425 / 4728.71 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.61 | 3.81 |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | ||
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | ||
| Firebox Area (sq ft / m2) | 80 / 7.43 | 70 / 6.50 |
| Grate Area (sq ft / m2) | 15.75 / 1.46 | 14.33 / 1.33 |
| Evaporative Heating Surface (sq ft / m2) | 861 / 79.99 | 774 / 71.91 |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 861 / 79.99 | 774 / 71.91 |
| Evaporative Heating Surface/Cylinder Volume | 179.20 | 202.49 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 2363 | 2006 |
| Same as above plus superheater percentage | 2363 | 2006 |
| Same as above but substitute firebox area for grate area | 12,000 | 9800 |
| Power L1 | 3609 | 3293 |
| Power MT | 359.70 | 365.18 |