This Abt-system rack locomotive had 420 mm x 450 mm (16.54 x 17.72") cylinders driving the 688-mm (27.09") double-rack gearing.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 41 |
| Locobase ID | 1541 |
| Railroad | Magyar Allamvasutak (MAV) |
| Country | Hungary |
| Whyte | 0-8-4RT |
| Number in Class | 4 |
| Road Numbers | 41.001-41.004 |
| Gauge | Std |
| Number Built | 4 |
| Builder | MAVAG |
| Year | 1896 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | 25.92 / 7.90 |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | 26.92 / 8.21 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 118,944 / 53,952 |
| Engine Weight (lbs / kg) | 161,280 / 73,155 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 161,280 / 73,155 |
| Tender Water Capacity (gals / ML) | 1900 / 7.20 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 50 / 25 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 41.30 / 1049 |
| Boiler Pressure (psi / kPa) | 174 / 12 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19.7" x 19.7" / 500x500 |
| Tractive Effort (lbs / kg) | 27,379 / 12418.92 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.34 |
| 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) | 25.82 / 2.40 |
| Evaporative Heating Surface (sq ft / m2) | 1784 / 165.80 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1784 / 165.80 |
| Evaporative Heating Surface/Cylinder Volume | 256.70 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 4493 |
| Same as above plus superheater percentage | 4493 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |