FC Argentine Great Western 2-10-0 Locomotives in Argentina


Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 8945)

Data from "Heavy 'Decapod' Freight Engines for Argentina", The Railway Times,Volume 93 (11 January 1908), p 37-38; and Albert H Bone, "Some Recent Designs of Locomotives for Service on Continental Railways", Cassier's Magazine, 1910, pp. 561-609.

These rather small Decapods went into service in Argentina in the first decade of the 20th century. They were the heaviest locomotives buillt in Great Britain up to that point. To move it from the Darlington Works to Liverpool, Stephensons broke down the completed locomotive to pieces that would fit on a railway flat wagon (North American flatcar). Even then, the "Decapods Special" claimed both tracks because some elements (e.g. the tender) couldn't clear the loading gauge on one track. Running on a Sunday morning at a maximum speed of 20 mph (32 kph), the special train reached Liverpool without incident.

The design did have a Belpaire firebox, a long wheelbase, and a good amount of adhesion. Small drivers under a low running board, a noticeable gap between the running board and the boiler, thick-collared smokebox, and notional cab easily reveal the British origins of this engine.

After trials on the AGW, the railway ordered five more.

Principal Dimensions by Steve Llanso of Middle Run Media
Classunknown
Locobase ID8945
RailroadFC Argentine Great Western
CountryArgentina
Whyte2-10-0
Number in Class6
Road Numbers
Gauge5'6"
Number Built6
BuilderRobert Stephenson & Co
Year1905
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)19 / 5.79
Engine Wheelbase (ft / m)27.17 / 8.28
Ratio of driving wheelbase to overall engine wheelbase 0.70
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)32,816
Weight on Drivers (lbs / kg)158,704 / 71,987
Engine Weight (lbs / kg)178,080 / 80,776
Tender Loaded Weight (lbs / kg)101,584 / 46,078
Total Engine and Tender Weight (lbs / kg)279,664 / 126,854
Tender Water Capacity (gals / ML)7200
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 4.40
Minimum weight of rail (calculated) (lb/yd / kg/m)53 / 26.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)51 / 1295
Boiler Pressure (psi / kPa)180 / 1240
High Pressure Cylinders (dia x stroke) (in / mm)19.5" x 28" / 495x711
Tractive Effort (lbs / kg)31,941 / 14488.21
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.97
Heating Ability
Tubes (number - dia) (in / mm)286 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)15 / 4.57
Firebox Area (sq ft / m2)194 / 18.03
Grate Area (sq ft / m2)36 / 3.35
Evaporative Heating Surface (sq ft / m2)2440 / 226.77
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)2440 / 226.77
Evaporative Heating Surface/Cylinder Volume252.11
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation6480
Same as above plus superheater percentage6480
Same as above but substitute firebox area for grate area34,920
Power L15391
Power MT374.44

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