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Hungarian State Railways class 301
The class 301 was a four-cylinder Pacific of which two each were built by MÁVAG in 1911 with simple and compound expansion. The simple locomotives were numbered 301.001 and 002, while the compound locomotives were 301...
| Hungarian State Railways class 301Remove | |
|---|---|
| Variant | |
| Built | 1911-1914 |
| Manufacturers | MÁVAG |
| Wheel arrangement | 2C1 |
| Gauge | 1435 mm |
| Length | 13804 mm |
| Service mass | 86000 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | Hungarian State Railways class 301Remove |
|---|---|
| Built | 1911-1914 |
| Manufacturers | MÁVAG |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Hungarian State Railways class 301Remove |
|---|---|
| Length | 13.80 m |
| Length loco | 21.80 m |
| Wheelbase | 11.34 m |
| Empty mass | 77.4 t |
| Service mass | 86 t |
| Adhesion mass | 48 t |
| Total mass | 142.1 t |
| Rigid wheelbase | 3.88 m |
| Axle load | 16 t |
| Water capacity | 26,000 l |
| Fuel capacity | 8 t (coal) |
Boiler
| Property | Hungarian State Railways class 301Remove |
|---|---|
| Grate area | 4.846 m² |
| Firebox surface | 16.8 m² |
| Tube heating surface | 245.1 m² |
| Evaporative heating surface | 261.9 m² |
| Superheater surface | 53.3 m² |
| Total heating surface | 315.2 m² |
Power plant
| Property | Hungarian State Railways class 301Remove |
|---|---|
| Driver diameter | 1,826 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | four, 430 x 660 mm |
Power
| Property | Hungarian State Railways class 301Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,460 kW (1,985 PS) |
| Top speed | 100 km/h |
| Starting effort | 136.3 kN |
Calculated values
| Property | Hungarian State Railways class 301Remove |
|---|---|
| Factor of adhesion | 1 : 3.45 |
| Optimal speed | 66 km/h |
| Power-to-weight ratio | 17.0 kW/t |
| Heating Surface Equivalent | 452.5 m² |
| Cylinder volume/HSE | 1 : 847.25 |
| Adhesive weight/Total | 1 : 1.79 |
| Tractive force/Heating surface | 1 : 9.03 |
| Grate area/Heating surface | 1 : 65.04 |
| Firebox/Tube surface | 1 : 14.59 |
| Total/Superheater | 1 : 4.91 |
