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Central Pacific “Mastodon” and class GE
Although the Baltimore and Ohio had procured a locomotive with a 4-8-0 wheel arrangement in 1855 with the “Centipede”, the Central Pacific “Mastodon” was one of the first successful locomotives with this wheel arrange...
General
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Built | 1882 |
| Manufacturers | Central Pacific |
| Wheel arrangement | 4-8-0 (Twelve-wheeler) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Wheelbase | 7.61 m |
| Rigid wheelbase | 4.80 m |
| Total wheelbase | 16.21 m |
| Service weight | 55.8 t |
| Adhesive weight | 48.1 t |
| Total weight | 84.4 t |
| Water capacity | 9,464 l |
| Fuel capacity | 4.9 t (wood) |
Boiler
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Grate area | 2.392 m² |
| Firebox surface | 16.908 m² |
| Tube heating surface | 108.975 m² |
| Evaporative heating surface | 125.884 m² |
| Total heating surface | 125.9 m² |
Power plant
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Driver diameter | 1,372 mm |
| Boiler pressure | 9.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 762 mm |
Power
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Power source | steam |
| Estimated power | 447 kW (608 PS) |
| Starting effort | 102.4 kN |
Calculated values
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Factor of adhesion | 1 : 4.61 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 8.0 kW/t |
| Heating Surface Equivalent | 210.4 m² |
| Cylinder volume/HSE | 1 : 1,324.82 |
| Adhesive weight/Total | 1 : 1.16 |
| Tractive force/Heating surface | 1 : 16.98 |
| Grate area/Heating surface | 1 : 52.63 |
| Firebox/Tube surface | 1 : 6.45 |
