Ramal Guatapara 2-4-0 Locomotives in Guatemala


Class Details by Steve Llanso of Sweat House Media

Class Albertina (Locobase 12599)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 24, p. 187. Works number was 20123 in February 1902.

This little four-coupled served G Amsinck coffee plantations on a very narrow gauge.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassAlbertina
Locobase ID12599
RailroadRamal Guatapara
CountryGuatemala
Whyte2-4-0
Number in Class1
Road Numbers
Gauge3'
Number Built1
BuilderBurnham, Williams & Co
Year1902
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.25 / 1.60
Engine Wheelbase (ft / m)10.92 / 3.33
Ratio of driving wheelbase to overall engine wheelbase 0.48
Overall Wheelbase (engine & tender) (ft / m) / 3.33
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)23,000 / 10,433
Engine Weight (lbs / kg)28,000 / 12,701
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)750 / 2.84
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)19 / 9.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)33 / 838
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)9" x 16" / 229x406
Tractive Effort (lbs / kg)5341 / 2422.64
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.31
Heating Ability
Tubes (number - dia) (in / mm)66 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)6 / 1.83
Firebox Area (sq ft / m2)27 / 2.51
Grate Area (sq ft / m2) 7.30 / 0.68
Evaporative Heating Surface (sq ft / m2)180 / 16.73
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)180 / 16.73
Evaporative Heating Surface/Cylinder Volume152.79
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1168
Same as above plus superheater percentage1168
Same as above but substitute firebox area for grate area4320
Power L12353
Power MT451.08

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