Chilean State 2-6-6-2 Locomotives in Chile


Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 3607)

Data from Wiener (1930).

Meter Prairie Mallets identical to those delivered by Alco and Henschel to Brazil in the same years except for the superheating in these engines.

Principal Dimensions by Steve Llanso of Sweat House Media

Classunknown
Locobase ID3607
RailroadChilean State
CountryChile
Whyte2-6-6-2
Number in Class
Road Numbers
GaugeMetre
Number Built
Builderseveral
Year1913
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)8 / 2.44
Engine Wheelbase (ft / m)36 / 10.97
Ratio of driving wheelbase to overall engine wheelbase 0.22
Overall Wheelbase (engine & tender) (ft / m)60.17 / 18.34
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)131,000 / 59,421
Engine Weight (lbs / kg)157,000 / 71,214
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)157,000 / 71,214
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)1800 / 6813
Minimum weight of rail (calculated) (lb/yd / kg/m)36 / 18
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)42 / 1067
Boiler Pressure (psi / kPa)204.50 / 14.10
High Pressure Cylinders (dia x stroke) (in / mm)16" x 20" / 406x508
Low Pressure Cylinders (dia x stroke) (in / mm)25.5" x 20" / 648x508
Tractive Effort (lbs / kg)30,409 / 13793.31
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.31
Heating Ability
Tubes (number - dia) (in / mm)121 - 2" / 51
Flues (number - dia) (in / mm)16 - 5.375" / 137
Flue/Tube length (ft / m)17 / 5.18
Firebox Area (sq ft / m2)113 / 10.50
Grate Area (sq ft / m2)32 / 2.97
Evaporative Heating Surface (sq ft / m2)1525 / 141.73
Superheating Surface (sq ft / m2)310 / 28.81
Combined Heating Surface (sq ft / m2)1835 / 170.54
Evaporative Heating Surface/Cylinder Volume327.66
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation6544
Same as above plus superheater percentage7656
Same as above but substitute firebox area for grate area27,037
Power L15909
Power MT596.66

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