FC Oeste de Buenos Aires 4-6-0 Locomotives in Argentina


Class Details by Steve Llanso of Sweat House Media

Class 695 (Locobase 11412)

Data from "Compound Ten-Wheel Locomotives for the Buenos Ayres Western Railway," The Railroad Gazette, Vol XLIII, No 10 (6 September 1907), pp. 269-270. See also DeGolyer, Volume 29, p. 220. Works numbers were 30765 and 30845 in May 1907, 31154-31156 in June.

This was the American contribution to the British version of the Von Borries cross-compound design that began with the 1904 deliveries recorded in Locobase 2720. Differences in these Baldwins from those engines were slight - the basic layout of clean boiler, inside Stephenson link motion, Belpaire firebox, and short cab remained the same.

At least one -- 696 -- was rebuilt in 1942 and renumbered 1064.

Principal Dimensions by Steve Llanso of Middle Run Media

Class695
Locobase ID11412
RailroadFC Oeste de Buenos Aires
CountryArgentina
Whyte4-6-0
Number in Class5
Road Numbers695-699
Gauge5'6"
Number Built5
BuilderBurnham, Williams & Co
Year1907
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)13.58 / 4.14
Engine Wheelbase (ft / m)25.29 / 7.71
Ratio of driving wheelbase to overall engine wheelbase 0.54
Overall Wheelbase (engine & tender) (ft / m)48.50 / 14.78
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)104,600 / 47,446
Engine Weight (lbs / kg)146,900 / 66,633
Tender Loaded Weight (lbs / kg)95,100 / 43,137
Total Engine and Tender Weight (lbs / kg)242,000 / 109,770
Tender Water Capacity (gals / ML)4200 / 15.91
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 7.80 / 7
Minimum weight of rail (calculated) (lb/yd / kg/m)58 / 29
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)68 / 1727
Boiler Pressure (psi / kPa)200 / 13.80
High Pressure Cylinders (dia x stroke) (in / mm)19" x 26" / 483x660 (1)
Low Pressure Cylinders (dia x stroke) (in / mm)27.5" x 26" / 699x660 (1)
Tractive Effort (lbs / kg)15,883 / 7204.42
Factor of Adhesion (Weight on Drivers/Tractive Effort) 6.59
Heating Ability
Tubes (number - dia) (in / mm)241 - 1.875" / 48
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)12.76 / 3.89
Firebox Area (sq ft / m2)132 / 12.27
Grate Area (sq ft / m2)25 / 2.32
Evaporative Heating Surface (sq ft / m2)1627 / 151.21
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1627 / 151.21
Evaporative Heating Surface/Cylinder Volume381.38
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5000
Same as above plus superheater percentage5000
Same as above but substitute firebox area for grate area26,400
Power L15801
Power MT366.80

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