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New Haven class 144, later B-4
Numbers 144 to 149 of the New Haven were six 4-4-0 express locomotives built by Baldwin in 1887. With a service weight of 112,000 pounds , they were heavier than most American 4-4-0 locomotives built a few years earli...
| New Haven class 144, later B-4Remove | |
|---|---|
| Variant | Standard |
| Built | 1887 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 50802 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | New Haven class 144, later B-4 Standard Remove |
|---|---|
| Built | 1887 |
| Manufacturers | Baldwin |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | New Haven class 144, later B-4 Standard Remove |
|---|---|
| Wheelbase | 7.19 m |
| Service mass | 50.8 t |
| Adhesion mass | 32.7 t |
| Rigid wheelbase | 2.79 m |
| Water capacity | 12,113 l |
Boiler
| Property | New Haven class 144, later B-4 Standard Remove |
|---|---|
| Grate area | 1.728 m² |
| Firebox surface | 13.843 m² |
| Tube heating surface | 153.569 m² |
| Evaporative heating surface | 167.411 m² |
| Total heating surface | 167.4 m² |
Power plant
| Property | New Haven class 144, later B-4 Standard Remove |
|---|---|
| Driver diameter | 1,740 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 559 mm |
Power
| Property | New Haven class 144, later B-4 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 597 kW (812 PS) |
| Starting effort | 87.4 kN |
Calculated values
| Property | New Haven class 144, later B-4 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.66 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 11.8 kW/t |
| Heating Surface Equivalent | 236.6 m² |
| Cylinder volume/HSE | 1 : 957.28 |
| Adhesive weight/Total | 1 : 1.56 |
| Tractive force/Heating surface | 1 : 10.91 |
| Grate area/Heating surface | 1 : 96.88 |
| Firebox/Tube surface | 1 : 11.09 |
