Zillertalbahn 0-6-2 Locomotives in Switzerland
Class Details by Steve Llanso of Sweat House Media
Class 5 Gerlos (Locobase 9687)
Data from [
], last accessed 26 November 2008.
This was the bigger, younger brother of the classic Krauss radial tank design. Locobase 4642 shows the original version, which was produced in the early 1900s as a cross-compound locomotive with a saturated boiler. This particular engine was Krauss Linz works #1521 and was equipped from the outset with a superheater. Rated at 40 kmh/h (25 mph), the locomotive clearly was intended for industrial work.
Lovingly cared for in museum service, this engine received a new steel firebox from Tschuda in Graz in 2001. Tschuda also supplied the new boiler in 2005.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 5 Gerlos |
| Locobase ID | 9687 |
| Railroad | Zillertalbahn |
| Country | Switzerland |
| Whyte | 0-6-2T |
| Number in Class | 1 |
| Road Numbers | 5 |
| Gauge | 76 cm |
| Number Built | 1 |
| Builder | Krauss Linz |
| Year | 1930 |
| Valve Gear | Lentz poppet |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 7.55 / 2.30 |
| Engine Wheelbase (ft / m) | 13.12 / 4 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.58 |
| Overall Wheelbase (engine & tender) (ft / m) | 13.12 / 4 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 49,604 / 22,500 |
| Engine Weight (lbs / kg) | 61,950 / 28,100 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 61,950 / 28,100 |
| Tender Water Capacity (gals / ML) | 792 / 3 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.40 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 28 / 14 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 32.30 / 820 |
| Boiler Pressure (psi / kPa) | 188.50 / 1300 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 13.78" x 15.75" / 350x400 |
| Tractive Effort (lbs / kg) | 14,836 / 6729.50 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.34 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 103 - 1.732" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.66 / 3.25 |
| Firebox Area (sq ft / m2) | 51.65 / 4.80 |
| Grate Area (sq ft / m2) | 11.41 / 1.06 |
| Evaporative Heating Surface (sq ft / m2) | 521 / 48.38 |
| Superheating Surface (sq ft / m2) | 215 / 20 |
| Combined Heating Surface (sq ft / m2) | 736 / 68.38 |
| Evaporative Heating Surface/Cylinder Volume | 191.64 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2151 |
| Same as above plus superheater percentage | 2775 |
| Same as above but substitute firebox area for grate area | 12,559 |
| Power L1 | 10,131 |
| Power MT | 1350.80 |