Imperial Laotung 2-6-2 Locomotives in China


Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 13784)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 36, p. 334 . Works numbers were 35936-35937 in January 1911.

This railway was another Manchurian line that served the Laotung Peninsula.

Principal Dimensions by Steve Llanso of Sweat House Media

Class1
Locobase ID13784
RailroadImperial Laotung
CountryChina
Whyte2-6-2T
Number in Class2
Road Numbers1-2
GaugeStd
Number Built2
BuilderBaldwin
Year1911
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.33 / 2.54
Engine Wheelbase (ft / m)22.50 / 6.86
Ratio of driving wheelbase to overall engine wheelbase 0.37
Overall Wheelbase (engine & tender) (ft / m)22.50 / 6.86
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)83,520 / 37,884
Engine Weight (lbs / kg)116,420 / 52,807
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)116,420 / 52,807
Tender Water Capacity (gals / ML)1500 / 5.68
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 3.40 / 3
Minimum weight of rail (calculated) (lb/yd / kg/m)46 / 23
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)46 / 1168
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)17" x 22" / 432x559
Tractive Effort (lbs / kg)18,798 / 8526.64
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.44
Heating Ability
Tubes (number - dia) (in / mm)190 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.21 / 3.11
Firebox Area (sq ft / m2)91.60 / 8.51
Grate Area (sq ft / m2)14.40 / 1.34
Evaporative Heating Surface (sq ft / m2)1099 / 102.10
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1099 / 102.10
Evaporative Heating Surface/Cylinder Volume190.15
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2304
Same as above plus superheater percentage2304
Same as above but substitute firebox area for grate area14,656
Power L13305
Power MT261.72

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