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Central Vermont class U-1a
The Central Vermont operated four 4-8-2 “Mountain” locomotives which had been ordered by the parent Canadian National and leased to this railroad. Built in May 1927 by ALCO-Schenectady, they had the works numbers 6733...
| Central Vermont class U-1aRemove | |
|---|---|
| Variant | Standard |
| Built | 1927 |
| Manufacturers | ALCO |
| Wheel arrangement | 2D1 |
| Gauge | 1435 mm |
| Length | 26714 mm |
| Service mass | 147917 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Central Vermont class U-1a Standard Remove |
|---|---|
| Built | 1927 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Central Vermont class U-1a Standard Remove |
|---|---|
| Length | 26.71 m |
| Wheelbase | 12.83 m |
| Total wheelbase | 23.46 m |
| Empty mass | 133 t |
| Service mass | 147.9 t |
| Adhesion mass | 97.7 t |
| Total mass | 238.7 t |
| Rigid wheelbase | 5.97 m |
| Water capacity | 36,151 l |
| Fuel capacity | 16.3 t (coal) |
Boiler
| Property | Central Vermont class U-1a Standard Remove |
|---|---|
| Grate area | 6.206 m² |
| Firebox surface | 35.675 m² |
| Tube heating surface | 322.56 m² |
| Evaporative heating surface | 358.234 m² |
| Superheater surface | 89.93 m² |
| Total heating surface | 448.2 m² |
Power plant
| Property | Central Vermont class U-1a Standard Remove |
|---|---|
| Driver diameter | 1,854 mm |
| Boiler pressure | 14.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 660 x 711 mm |
Power
| Property | Central Vermont class U-1a Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,424 kW (3,296 PS) |
| Starting effort | 205.9 kN |
Calculated values
| Property | Central Vermont class U-1a Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.66 |
| Optimal speed | 72 km/h |
| Power-to-weight ratio | 16.4 kW/t |
| Heating Surface Equivalent | 716.5 m² |
| Cylinder volume/HSE | 1 : 680.03 |
| Adhesive weight/Total | 1 : 1.51 |
| Tractive force/Heating surface | 1 : 9.59 |
| Grate area/Heating surface | 1 : 72.21 |
| Firebox/Tube surface | 1 : 9.04 |
| Total/Superheater | 1 : 3.98 |
