Oeste 0-6-2 Locomotives in Spain


Class Details by Steve Llanso of Sweat House Media

Class 031-0221 (Locobase 3425)

Data from [link], the web site of the Spanish National Railway. See also the blog "Re: Ayuda con la 031-0221" of 8 September 2010 at [link], and "Serie 451 (RENFE 031-0221)" from the Railtren site at [link], last accessed 18 November 2013.

One, #51, was converted to a tank engine by the shops at Vigo in 1911. It passed through the Oeste as 451 and was placed in its own class by the RENFE in 1941.

Principal Dimensions by Steve Llanso of Middle Run Media
Class031-0221
Locobase ID3425
RailroadOeste
CountrySpain
Whyte0-6-2T
Number in Class1
Road Numbers451
Gauge5'6"
Number Built
BuilderSchwartzkopff
Year1911
Valve GearAllan
Locomotive Length and Weight
Driver Wheelbase (ft / m)11 / 3.35
Engine Wheelbase (ft / m)18.81 / 5.73
Ratio of driving wheelbase to overall engine wheelbase 0.58
Overall Wheelbase (engine & tender) (ft / m)18.81 / 5.73
Axle Loading (Maximum Weight per Axle) (lbs / kg)27,937 / 12,672
Weight on Drivers (lbs / kg)83,811 / 38,016
Engine Weight (lbs / kg)111,748 / 50,688
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)924 / 3.50
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 1.70 / 2
Minimum weight of rail (calculated) (lb/yd / kg/m)47 / 23.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)51 / 1295
Boiler Pressure (psi / kPa)145 / 1000
High Pressure Cylinders (dia x stroke) (in / mm)18.03" x 24.02" / 458x610
Tractive Effort (lbs / kg)18,870 / 8559.30
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.44
Heating Ability
Tubes (number - dia) (in / mm)161 - 1.969" / 50
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)14.07 / 4.29
Firebox Area (sq ft / m2)90.63 / 8.42
Grate Area (sq ft / m2)17.87 / 1.66
Evaporative Heating Surface (sq ft / m2)1257 / 116.79
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1257 / 116.79
Evaporative Heating Surface/Cylinder Volume177.09
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2591
Same as above plus superheater percentage2591
Same as above but substitute firebox area for grate area13,141
Power L12969
Power MT234.30

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