Theodore H Davies 0-4-2 Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class C Notley (Locobase 12227)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 20, p. 232. Works number was 15124 in December 1896 and 15326 in May 1897.

The second engine of this batch produced to a basic sugar-cane design had the name Waiolama. The C Notley worked on the Hamakua Mill Co and the Waiolama went to Waiakea Mill Co.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassC Notley
Locobase ID12227
RailroadTheodore H Davies
CountryHawaiian Republic
Number in Class2
Road Numbers4, 1
Number Built2
BuilderBurnham, Williams & Co
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)
Engine Weight (lbs / kg)
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)300 / 1.14
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)26 / 660
Boiler Pressure (psi / kPa)130 / 9
High Pressure Cylinders (dia x stroke) (in / mm)8" x 12" / 203x305
Tractive Effort (lbs / kg)3264 / 1480.53
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Tubes (number - dia) (in / mm)57 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 6.65 / 2.03
Firebox Area (sq ft / m2)25 / 2.32
Grate Area (sq ft / m2) 6.30 / 0.59
Evaporative Heating Surface (sq ft / m2)175 / 16.26
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)175 / 16.26
Evaporative Heating Surface/Cylinder Volume250
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation819
Same as above plus superheater percentage819
Same as above but substitute firebox area for grate area3250
Power L12414
Power MT

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Wes Barris