Acajutla & Sonsonate 4-6-0 Locomotives in El_Salvador


Class Details by Steve Llanso of Sweat House Media

Class 9 (Locobase 12222)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 20, p. 215. Works numbers were 15071-15072 in October 1896.

Based in San Salvador, these Ten-wheelers were still active in 1956. They had been scrapped by November 1977.

Principal Dimensions by Steve Llanso of Sweat House Media

Class9
Locobase ID12222
RailroadAcajutla & Sonsonate
CountryEl Salvador
Whyte4-6-0
Number in Class2
Road Numbers9-10
Gauge3'
Number Built2
BuilderBurnham, Williams & Co
Year1896
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 7.42 / 2.26
Engine Wheelbase (ft / m)16.75 / 5.11
Ratio of driving wheelbase to overall engine wheelbase 0.44
Overall Wheelbase (engine & tender) (ft / m)40.83 / 12.44
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)60,000 / 27,216
Engine Weight (lbs / kg)72,000 / 32,659
Tender Loaded Weight (lbs / kg)40,000 / 18,144
Total Engine and Tender Weight (lbs / kg)112,000 / 50,803
Tender Water Capacity (gals / ML)2000 / 7.58
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)33 / 16.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)42 / 1067
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)16" x 20" / 406x508
Tractive Effort (lbs / kg)16,579 / 7520.12
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.62
Heating Ability
Tubes (number - dia) (in / mm)117 - 2.25" / 57
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)13.33 / 4.06
Firebox Area (sq ft / m2)95 / 8.83
Grate Area (sq ft / m2)14 / 1.30
Evaporative Heating Surface (sq ft / m2)1008 / 93.68
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1008 / 93.68
Evaporative Heating Surface/Cylinder Volume216.58
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2240
Same as above plus superheater percentage2240
Same as above but substitute firebox area for grate area15,200
Power L13569
Power MT393.41

All material Copyright © SteamLocomotive.com
Wes Barris