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Missouri-Kansas-Texas class H-3
The H-3 was a type of Pacific express locomotive introduced by the MKT in 1915. Compared to the H-2, the cylinder diameter had been increased from 24 to 25 inches, but the cylinder stroke and driver diameter remained ...
| Missouri-Kansas-Texas class H-3Remove | |
|---|---|
| Variant | |
| Built | 1923 |
| Manufacturers | Lima |
| Wheel arrangement | 2C1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 122924 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Missouri-Kansas-Texas class H-3Remove |
|---|---|
| Built | 1923 |
| Manufacturers | Lima |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Missouri-Kansas-Texas class H-3Remove |
|---|---|
| Wheelbase | 10.74 m |
| Total wheelbase | 21.69 m |
| Service mass | 122.9 t |
| Adhesion mass | 74.8 t |
| Total mass | 214.3 t |
| Rigid wheelbase | 3.96 m |
| Water capacity | 37,854 l |
| Fuel capacity | 15,267 l (oil) |
Boiler
| Property | Missouri-Kansas-Texas class H-3Remove |
|---|---|
| Grate area | 5.342 m² |
| Firebox surface | 22.761 m² |
| Tube heating surface | 332.5 m² |
| Evaporative heating surface | 355.262 m² |
| Superheater surface | 80.826 m² |
| Total heating surface | 436.1 m² |
Power plant
| Property | Missouri-Kansas-Texas class H-3Remove |
|---|---|
| Driver diameter | 1,854 mm |
| Boiler pressure | 14.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 635 x 711 mm |
Power
| Property | Missouri-Kansas-Texas class H-3Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,715 kW (2,332 PS) |
| Starting effort | 190.3 kN |
Calculated values
| Property | Missouri-Kansas-Texas class H-3Remove |
|---|---|
| Factor of adhesion | 1 : 3.86 |
| Optimal speed | 55 km/h |
| Power-to-weight ratio | 14.0 kW/t |
| Heating Surface Equivalent | 630.7 m² |
| Cylinder volume/HSE | 1 : 714.21 |
| Adhesive weight/Total | 1 : 1.64 |
| Tractive force/Heating surface | 1 : 9.12 |
| Grate area/Heating surface | 1 : 81.63 |
| Firebox/Tube surface | 1 : 14.61 |
| Total/Superheater | 1 : 4.40 |
