San Isidro 2-4-0 Locomotives in the Dominican_Republic


Class Details by Steve Llanso of Sweat House Media

Class Matagordo (Locobase 14477)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 54, p 240. Works number was 41857 in December 1914.

Wood-burning plantation six-wheeler bought by the Bartram Brothers. It later operated on the Consuelo Estate.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassMatagordo
Locobase ID14477
RailroadSan Isidro
CountryDominican Republic
Whyte2-4-0
Number in Class1
Road Numbers7
Gauge2'6"
Number Built1
BuilderBaldwin
Year1914
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 3.75 / 1.14
Engine Wheelbase (ft / m) 9.75 / 2.97
Ratio of driving wheelbase to overall engine wheelbase 0.38
Overall Wheelbase (engine & tender) (ft / m)23.20 / 7.07
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)22,900 / 10,387
Engine Weight (lbs / kg)26,750 / 12,134
Tender Loaded Weight (lbs / kg)15,000 / 6804
Total Engine and Tender Weight (lbs / kg)41,750 / 18,938
Tender Water Capacity (gals / ML)600 / 2.27
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 1.50 / 1
Minimum weight of rail (calculated) (lb/yd / kg/m)19 / 9.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)30 / 762
Boiler Pressure (psi / kPa)150 / 10.30
High Pressure Cylinders (dia x stroke) (in / mm)9" x 14" / 229x356
Tractive Effort (lbs / kg)4820 / 2186.32
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.75
Heating Ability
Tubes (number - dia) (in / mm)70 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 8.08 / 2.46
Firebox Area (sq ft / m2)29 / 2.69
Grate Area (sq ft / m2) 6.70 / 0.62
Evaporative Heating Surface (sq ft / m2)252 / 23.41
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)252 / 23.41
Evaporative Heating Surface/Cylinder Volume244.46
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1005
Same as above plus superheater percentage1005
Same as above but substitute firebox area for grate area4350
Power L12888
Power MT556.06

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