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New York Central classes J-1 to J-3 “Hudson”
The New York Central operated a number of major express trains from New York City, which ran at high speeds mostly in the lowlands and enjoyed increasing popularity. These were primarily the “20th Century Limited” to ...
| New York Central classes J-1 to J-3 “Hudson”Remove | |
|---|---|
| Variant | J-1a to e with thermic syphons |
| Built | 1927-1931 |
| Manufacturers | ALCO |
| Wheel arrangement | 2C2 |
| Gauge | 1435 mm |
| Length | 29626 mm |
| Service mass | 157170 kg |
| Top speed | 177 km/h |
| Power | |
| Engine |
General
| Property | New York Central classes J-1 to J-3 “Hudson”J-1a to e with thermic syphons |
|---|---|
| Built | 1927-1931 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-6-4 (Hudson) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | New York Central classes J-1 to J-3 “Hudson”J-1a to e with thermic syphons |
|---|---|
| Length | 29.63 m |
| Wheelbase | 12.29 m |
| Service mass | 157.2 t |
| Adhesion mass | 83.7 t |
| Total mass | 253.4 t |
| Rigid wheelbase | 4.27 m |
| Axle load | 27.9 t |
| Water capacity | 37,854 l |
| Fuel capacity | 15.4 t (coal) |
Boiler
| Property | New York Central classes J-1 to J-3 “Hudson”J-1a to e with thermic syphons |
|---|---|
| Grate area | 7.572 m² |
| Firebox surface | 32.748 m² |
| Tube heating surface | 390.518 m² |
| Evaporative heating surface | 423.267 m² |
| Superheater surface | 181.254 m² |
| Total heating surface | 604.5 m² |
Power plant
| Property | New York Central classes J-1 to J-3 “Hudson”J-1a to e with thermic syphons |
|---|---|
| Driver diameter | 2,007 mm |
| Boiler pressure | 15.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 635 x 711 mm |
Power
| Property | New York Central classes J-1 to J-3 “Hudson”J-1a to e with thermic syphons |
|---|---|
| Power source | steam |
| Estimated power | 3,132 kW (4,258 PS) |
| Top speed | 177 km/h |
| Starting effort | 188.5 kN |
| Starting effort booster | 48.486 kN |
Calculated values
| Property | New York Central classes J-1 to J-3 “Hudson”J-1a to e with thermic syphons |
|---|---|
| Factor of adhesion | 1 : 4.36 |
| Optimal speed | 101 km/h |
| Power-to-weight ratio | 19.9 kW/t |
| Heating Surface Equivalent | 949.5 m² |
| Cylinder volume/HSE | 1 : 474.41 |
| Adhesive weight/Total | 1 : 1.88 |
| Tractive force/Heating surface | 1 : 6.51 |
| Grate area/Heating surface | 1 : 79.84 |
| Firebox/Tube surface | 1 : 11.92 |
| Total/Superheater | 1 : 2.34 |
