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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 | 1882-1883 |
| Manufacturers | Cooke |
| 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 | 7.26 m |
| Rigid wheelbase | 4.19 m |
| Total wheelbase | 14.58 m |
| Service weight | 65.4 t |
| Adhesive weight | 51.7 t |
Boiler
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Grate area | 2.759 m² |
| Firebox surface | 14.4 m² |
| Tube heating surface | 174.937 m² |
| Evaporative heating surface | 189.337 m² |
| Total heating surface | 189.3 m² |
Power plant
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Driver diameter | 1,422 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 762 mm |
Power
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Power source | steam |
| Estimated power | 559 kW (760 PS) |
| Starting effort | 129.6 kN |
Calculated values
| Property | Central Pacific “Mastodon” and class GE Remove |
|---|---|
| Factor of adhesion | 1 : 3.91 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 8.6 kW/t |
| Heating Surface Equivalent | 261.3 m² |
| Cylinder volume/HSE | 1 : 1,181.96 |
| Adhesive weight/Total | 1 : 1.26 |
| Tractive force/Heating surface | 1 : 14.30 |
| Grate area/Heating surface | 1 : 68.63 |
| Firebox/Tube surface | 1 : 12.15 |
