Matanzas 4-4-0 Locomotives in Cuba


Class Details by Steve Llanso of Sweat House Media

Class 21 (Locobase 11540)

Data from Baldwin Locomotive Works Specification for Engines, 1903, as digitized by the DeGolyer Library of Southern Methodist University Vol 26, p. 129. Works number was 23221 in November 1903.

Locobase 11534 shows another Cuban Eight-wheeler built in the same month with essentially identical dimensions except for tubes that were 6" longer.

Principal Dimensions by Steve Llanso of Middle Run Media
Class21
Locobase ID11540
RailroadMatanzas
CountryCuba
Whyte4-4-0
Number in Class1
Road Numbers21
GaugeStd
Number Built1
BuilderBurnham, Williams & Co
Year1903
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.75 / 2.67
Engine Wheelbase (ft / m)22.83 / 6.96
Ratio of driving wheelbase to overall engine wheelbase 0.38
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)65,000 / 29,484
Engine Weight (lbs / kg)103,000 / 46,720
Tender Loaded Weight (lbs / kg)70,000 / 31,752
Total Engine and Tender Weight (lbs / kg)173,000 / 78,472
Tender Water Capacity (gals / ML)3500 / 13.26
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)54 / 27
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)66 / 1676
Boiler Pressure (psi / kPa)180 / 1240
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)18,026 / 8176.47
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.61
Heating Ability
Tubes (number - dia) (in / mm)244 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.97 / 3.34
Firebox Area (sq ft / m2)140 / 13.01
Grate Area (sq ft / m2)17.50 / 1.63
Evaporative Heating Surface (sq ft / m2)1527 / 141.91
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1527 / 141.91
Evaporative Heating Surface/Cylinder Volume216.03
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3150
Same as above plus superheater percentage3150
Same as above but substitute firebox area for grate area25,200
Power L16238
Power MT423.15

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