Saturday, December 3, 2011

Cotton Belt Route locomotive 819


A postcard of one of the most notable preserved US steam locomotives: the last engine built by the railway affectionately known as the Cotton Belt, officially as the St Louis Southwestern, in 1943; a 4-8-4 now in the Arkansas Railroad Museum.

Some Specifications
Driver diameter: 70 inches (1,778 mm)
Axle load: 62,000 lb (28.1 tonnes)
Weight on drivers:  248,000 lb (112.5 tonnes)
Locomotive weight:  425,500 lb (193.0 tonnes)
Tender weight:  312,000 lb (141.5 tonnes)
Locomotive & tender combined weight: 737,500 lb (334.5 tonnes)
Fuel type: Oil
Fuel capacity:  5,000 US gallons (19,000 litres; 4,200 imperial gallons)
Water capacity:  15,000 US gal (57,000 l; 12,000 imp gal)
Boiler pressure:  250 lbf/in² (1.72 MPa)
Firegrate area:  88.3 sq ft (8.20 m2)
Heating surface: Firebox:  469 sq ft (43.6 m2)
Superheater area:  1,962 sq ft (182.3 m2)
Cylinders:  Two 26 × 30 in (660 × 762 mm)
Valve gear:  Walschaerts
Valve type:  Piston valves
Tractive effort:  61,564 lbf (273.85 kN)

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