Nitrate 2-6-2 Locomotives in Chile


Class Details by Steve Llanso of Sweat House Media

Class 53 (Locobase 16064)

Data from "Goods Locomotive for the Nitrate Railways", The Railway Engineer, Vol 17 (March 1890), p. 64.

The RE report has no commentary, just the specifications.

Principal Dimensions by Steve Llanso of Middle Run Media
Class53
Locobase ID16064
RailroadNitrate
CountryChile
Whyte2-6-2T
Number in Class
Road Numbers53
GaugeStd
Number Built
BuilderJohn Fowler & Co
Year1889
Valve GearJoy
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)
Ratio of driving wheelbase to overall engine wheelbase
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)87,360 / 39,626
Engine Weight (lbs / kg)132,160 / 59,947
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)2400 / 9.09
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)49 / 24.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)48 / 1219
Boiler Pressure (psi / kPa)160 / 1100
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)22,032 / 9993.56
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.97
Heating Ability
Tubes (number - dia) (in / mm)198 - 1.875" / 48
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)12.18 / 3.71
Firebox Area (sq ft / m2)113.94 / 10.59
Grate Area (sq ft / m2)21 / 1.95
Evaporative Heating Surface (sq ft / m2)1295 / 120.31
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1295 / 120.31
Evaporative Heating Surface/Cylinder Volume183.21
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3360
Same as above plus superheater percentage3360
Same as above but substitute firebox area for grate area18,230
Power L13377
Power MT255.67

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