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New York Central classes H-10a and H-10b
Of a total of 1,350 Mikados owned by the New York Central, the H-10 was the last and by far most modern. It started in 1922 when William E. Woodard of Lima was tasked to design a modern freight locomotive that was muc...
| New York Central classes H-10a and H-10bRemove | |
|---|---|
| Variant | |
| Built | 1924 |
| Manufacturers | ALCO;Lima |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 152861 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | New York Central classes H-10a and H-10bRemove |
|---|---|
| Built | 1924 |
| Manufacturers | ALCO, Lima |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | New York Central classes H-10a and H-10bRemove |
|---|---|
| Wheelbase | 11.28 m |
| Service mass | 152.9 t |
| Adhesion mass | 111.6 t |
| Total mass | 278.1 t |
| Rigid wheelbase | 5.03 m |
| Water capacity | 68,137 l |
| Fuel capacity | 13.6 t (coal) |
Boiler
| Property | New York Central classes H-10a and H-10bRemove |
|---|---|
| Grate area | 6.206 m² |
| Firebox surface | 24.248 m² |
| Tube heating surface | 383.318 m² |
| Evaporative heating surface | 407.566 m² |
| Superheater surface | 187.664 m² |
| Total heating surface | 595.2 m² |
Power plant
| Property | New York Central classes H-10a and H-10bRemove |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 711 x 762 mm |
Power
| Property | New York Central classes H-10a and H-10bRemove |
|---|---|
| Power source | steam |
| Estimated power | 2,461 kW (3,346 PS) |
| Starting effort | 282.3 kN |
| Starting effort booster | 48.93 kN |
Calculated values
| Property | New York Central classes H-10a and H-10bRemove |
|---|---|
| Factor of adhesion | 1 : 3.88 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 16.1 kW/t |
| Heating Surface Equivalent | 904.1 m² |
| Cylinder volume/HSE | 1 : 669.62 |
| Adhesive weight/Total | 1 : 1.37 |
| Tractive force/Heating surface | 1 : 9.91 |
| Grate area/Heating surface | 1 : 95.91 |
| Firebox/Tube surface | 1 : 15.81 |
| Total/Superheater | 1 : 2.17 |
