Salamanca-Frontera Portuguesa 2-8-2 Locomotives in Spain


Class Details by Steve Llanso of Sweat House Media

Class 141-0211 (Locobase 3377)

Data from [], the web site of the Spanish National Railway. See also the PDF of the Via Libre's Material Motor series, accessed as [] on 4 March 2007. Works numbers were 204-209 in 1925.

Delivered to the S-FP in 1925, this class of Mikado tanks proved too heavy for the right of way and were soon sent to la Compa'fa de de los Ferrocarriles de Madrid a Cáceres y Portugal, where they were renumbered 651-656. But financial strains in the latter company led in 1928 to their being taken over by the Oeste, where they were renumbered again to 851-856.

Principal Dimensions by Steve Llanso of Middle Run Media

Class141-0211
Locobase ID3377
RailroadSalamanca-Frontera Portuguesa (SFP)
CountrySpain
Whyte2-8-2T
Number in Class6
Road Numbers 851-856/141-0211 a 141-0216
Gauge5'6"
Number Built6
BuilderMTM
Year1931
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)16.49 / 5.03
Engine Wheelbase (ft / m)33.71 / 10.28
Ratio of driving wheelbase to overall engine wheelbase 0.49
Overall Wheelbase (engine & tender) (ft / m)33.71 / 10.28
Axle Loading (Maximum Weight per Axle) (lbs / kg)28,660 / 13,000
Weight on Drivers (lbs / kg)114,640 / 52,000
Engine Weight (lbs / kg)168,653 / 76,500
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)168,653 / 76,500
Tender Water Capacity (gals / ML)2640 / 10
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 5.50 / 5
Minimum weight of rail (calculated) (lb/yd / kg/m)48 / 24
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)61 / 1550
Boiler Pressure (psi / kPa)171.10 / 11.80
High Pressure Cylinders (dia x stroke) (in / mm)19.69" x 25.59" / 500x650
Tractive Effort (lbs / kg)23,654 / 10729.29
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.85
Heating Ability
Tubes (number - dia) (in / mm)121 - 1.969" / 50
Flues (number - dia) (in / mm)21 - 5.236" / 133
Flue/Tube length (ft / m)13.91 / 4.24
Firebox Area (sq ft / m2)107.64 / 10
Grate Area (sq ft / m2)27.77 / 2.58
Evaporative Heating Surface (sq ft / m2)1265 / 117.50
Superheating Surface (sq ft / m2)350 / 32.50
Combined Heating Surface (sq ft / m2)1615 / 150
Evaporative Heating Surface/Cylinder Volume140.27
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4751
Same as above plus superheater percentage5797
Same as above but substitute firebox area for grate area22,469
Power L19554
Power MT734.92

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