Davis Coal & Coke 0-4-2 Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 12179)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 20, p.73 . Works number was 14615 in December 1895.

The specifications say that this tank was headed for the Descalvadense Section, where the sharpest curves were measured at 131-ft radius or 40 degrees.

Principal Dimensions by Steve Llanso of Middle Run Media
Classunknown
Locobase ID12179
RailroadDavis Coal & Coke
CountryUSA
Whyte0-4-2T
Number in Class1
Road Numbers
Gauge3'6"
Number Built1
BuilderBurnham, Williams & Co
Year1895
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 3.75 / 1.14
Engine Wheelbase (ft / m) 9.58 / 2.92
Ratio of driving wheelbase to overall engine wheelbase 0.39
Overall Wheelbase (engine & tender) (ft / m) 9.58 / 2.92
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)14,000 / 6350
Engine Weight (lbs / kg)20,000 / 9072
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)20,000
Tender Water Capacity (gals / ML)250 / 0.95
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)12 / 6
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)28 / 711
Boiler Pressure (psi / kPa)150 / 1030
High Pressure Cylinders (dia x stroke) (in / mm)8" x 12" / 203x305
Tractive Effort (lbs / kg)3497 / 1586.21
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.00
Heating Ability
Tubes (number - dia) (in / mm)56 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 6.17 / 1.88
Firebox Area (sq ft / m2)21.09 / 1.96
Grate Area (sq ft / m2) 5.60 / 0.52
Evaporative Heating Surface (sq ft / m2)155 / 14.41
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)155 / 14.41
Evaporative Heating Surface/Cylinder Volume221.43
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation840
Same as above plus superheater percentage840
Same as above but substitute firebox area for grate area3164
Power L12605
Power MT820.43

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