Joseph Wharton 2-8-0 "Consolidation" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 7 (Locobase 12742)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 27, p. 178. Works number was 24936 in December 1904.

Joseph Wharton was a New Jersey industrialist who gradually accumulated mines in New Jersey. Soon after the turn into the 20th Century, he built the Wharton & Northern in Morris County.

Specifications by Steve Llanso of Sweat House Media
Locobase ID12742
RailroadJoseph Wharton
Number in Class1
Road Numbers7
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase13.67'
Engine Wheelbase21.33'
Ratio of driving wheelbase to overall engine wheebase 0.64
Overall Wheelbase (engine & tender)
Axle Loading (Maximum Weight per Axle)
Weight on Drivers108000 lbs
Engine Weight123000 lbs
Tender Light Weight72000 lbs
Total Engine and Tender Weight195000 lbs
Tender Water Capacity3500 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)45 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter50"
Boiler Pressure180 psi
Cylinders (dia x stroke)19" x 24"
Tractive Effort26512 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.07
Heating Ability
Firebox Area128 sq. ft
Grate Area23.96 sq. ft
Evaporative Heating Surface1618 sq. ft
Superheating Surface
Combined Heating Surface1618 sq. ft
Evaporative Heating Surface/Cylinder Volume205.44
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4313
Same as above plus superheater percentage4313
Same as above but substitute firebox area for grate area23040
Power L14301
Power MT351.19

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