2-4-0 Steam Locomotives in Honduras

National Railway of Honduras


Class Details by Steve Llanso of Sweat House Media

Class Yoro (Locobase 13769)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 36, p. 262. See also "Chapter V-Vaccaro Brothers Corporation", Honduras Banana Trade History at [], last accessed 27 May 2012. Works number was 35002 in August 1910.

This little six-wheeler was delivered to Vaccaro Brothers & Company of La Ceiba, which put them to work on the NRH's 40-lb/yard (20-kg/metre) rails. The NRH sold the 5 to Standard Fruit & Steamship Company in January 1924.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassYoro
Locobase ID13769
RailroadNational Railway of Honduras
CountryHonduras
Whyte2-4-0
Number in Class1
Road Numbers5
Gauge3'
Number Built1
BuilderBaldwin
Year1910
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)6 / 1.83
Engine Wheelbase (ft / m)12 / 3.66
Ratio of driving wheelbase to overall engine wheelbase 0.50
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)32,000 / 14,515
Engine Weight (lbs / kg)39,000 / 17,690
Tender Loaded Weight (lbs / kg)40,000 / 18,144
Total Engine and Tender Weight (lbs / kg)79,000 / 35,834
Tender Water Capacity (gals / ML)2000 / 7.58
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)4 / 4
Minimum weight of rail (calculated) (lb/yd / kg/m)27 / 13.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)69 / 1753
Boiler Pressure (psi / kPa)170 / 1170
High Pressure Cylinders (dia x stroke) (in / mm)11" x 16" / 279x406
Tractive Effort (lbs / kg)4054 / 1838.87
Factor of Adhesion (Weight on Drivers/Tractive Effort) 7.89
Heating Ability
Tubes (number - dia) (in / mm)120 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 6.58 / 2.01
Firebox Area (sq ft / m2)48 / 4.46
Grate Area (sq ft / m2)8 / 0.74
Evaporative Heating Surface (sq ft / m2)355 / 32.98
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)355 / 32.98
Evaporative Heating Surface/Cylinder Volume201.72
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1360
Same as above plus superheater percentage1360
Same as above but substitute firebox area for grate area8160
Power L16610
Power MT910.78

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