These well-tank engines were found to be undersized and production ended with 22, says Kalla-Bishop. They then were converted as two-cylinder Von Borries compounds.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 20 |
| Locobase ID | 1538 |
| Railroad | Magyar Allamvasutak (MAV) |
| Country | Hungary |
| Whyte | 0-4-0T |
| Number in Class | 22 |
| Road Numbers | |
| Gauge | 3' |
| Number Built | 22 |
| Builder | MAVAG |
| Year | 1881 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 41,216 / 18,695 |
| Engine Weight (lbs / kg) | 41,216 / 18,695 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 41,216 / 18,695 |
| Tender Water Capacity (gals / ML) | |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 34 / 17 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 33.70 / 856 |
| Boiler Pressure (psi / kPa) | 174 / 12 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 8.7" x 15.7" / 221x399 |
| Tractive Effort (lbs / kg) | 5215 / 2365.49 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 7.90 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 7.42 / 0.69 |
| Evaporative Heating Surface (sq ft / m2) | 337 / 31.32 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 337 / 31.32 |
| Evaporative Heating Surface/Cylinder Volume | 311.97 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1291 |
| Same as above plus superheater percentage | 1291 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |