Data from [], last accessed 10 August 2006.
These were relatively early six-coupleds that enjoyed a long career. Seven survived World War I and went to the Czech railways as class 322.1; they were phased out in the 1930s
Data from [], last accessed 10 August 2006. Compared to the first 13 described in Locobase 4614, this quintet had longer boilers and a larger grate.
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | IIIa / 147 | IIIb / 147 |
| Locobase ID | 4614 | 7775 |
| Railroad | Bearbeiten von Turnau-Kralup-Prager Eisenbahn | Bearbeiten von Turnau-Kralup-Prager Eisenbahn |
| Country | Austria | Austria |
| Whyte | 0-6-0 | 0-6-0 |
| Number in Class | 13 | 5 |
| Road Numbers | / 147.01-147.113 | / 147.14 -147/118 |
| Gauge | Std | Std |
| Number Built | 13 | 5 |
| Builder | Sigl | Sigl |
| Year | 1865 | 1873 |
| Valve Gear | Stephenson | Stephenson |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | 10.37 / 3.16 | 10.37 / 3.16 |
| Engine Wheelbase (ft / m) | 10.37 / 3.16 | 10.37 / 3.16 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 33.32 / 10.15 | 33.32 / 10.15 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
| Weight on Drivers (lbs / kg) | 80,028 / 36,300 | 80,469 / 36,500 |
| Engine Weight (lbs / kg) | 80,028 / 36,300 | 80,469 / 36,500 |
| Tender Loaded Weight (lbs / kg) | ||
| Total Engine and Tender Weight (lbs / kg) | ||
| Tender Water Capacity (gals / ML) | ||
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | ||
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 44 / 22 | 45 / 22.50 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 49.60 / 1260 | 49.60 / 1260 |
| Boiler Pressure (psi / kPa) | 130.50 / 900 | 130.50 / 900 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17.09" x 24.88" / 434x630 | 17.09" x 24.88" / 434x630 |
| Tractive Effort (lbs / kg) | 16,251 / 7371.34 | 16,251 / 7371.34 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.92 | 4.95 |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | ||
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | ||
| Firebox Area (sq ft / m2) | 81.78 / 7.60 | 85 / 7.90 |
| Grate Area (sq ft / m2) | 14.31 / 1.33 | 16.46 / 1.53 |
| Evaporative Heating Surface (sq ft / m2) | 1302 / 121 | 1330 / 123.60 |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 1302 / 121 | 1330 / 123.60 |
| Evaporative Heating Surface/Cylinder Volume | 197.11 | 201.35 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 1867 | 2148 |
| Same as above plus superheater percentage | 1867 | 2148 |
| Same as above but substitute firebox area for grate area | 10,672 | 11,093 |
| Power L1 | 2794 | 2866 |
| Power MT | 230.91 | 235.56 |