Dah Sing Cotton Spinning and Weaving Company 0-6-0 Locomotives in China

Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 14621)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Vol 60, pp. 146. Works number was 54920 in July 1921.

Anderson Meyer & Company also bought this saddle tank about a year after it had procured the little four-coupled saddle tank for this Nantung mill. Comparison of the data shows that this locomotive had only five more square feet (0.45 sq m) of heating surface area. Although this engine's boiler was longer, it had fewer tubes of slightly larger diameter. On the other hand, the saddle tank held five times as much water as did the 1920 locomotive.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID14621
RailroadDah Sing Cotton Spinning and Weaving Company
Number in Class1
Road Numbers
Gauge60 cm
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.25 / 1.60
Engine Wheelbase (ft / m) 5.25 / 1.60
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m) 5.25 / 1.60
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)24,000 / 10,886
Engine Weight (lbs / kg)24,000 / 10,886
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)24,000 / 10,886
Tender Water Capacity (gals / ML)500 / 1.89
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)13 / 6.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)24 / 610
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)8" x 12" / 203x305
Tractive Effort (lbs / kg)4352 / 1974.04
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.51
Heating Ability
Tubes (number - dia) (in / mm)30 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 7.75 / 2.36
Firebox Area (sq ft / m2)23 / 2.14
Grate Area (sq ft / m2) 4.20 / 0.39
Evaporative Heating Surface (sq ft / m2)128 / 11.89
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)128 / 11.89
Evaporative Heating Surface/Cylinder Volume183.35
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation672
Same as above plus superheater percentage672
Same as above but substitute firebox area for grate area3680
Power L12228
Power MT613.99

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