Erie 0-4-0 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 15947)

Data from "The Erie 'Composite'", Railway Age, Volume 25 (1 April 1898), p. 223 and "Report of Committee on Power," Rock Island Company, Independent Motor Cars,", American Engineer and Railroad Engineer, Volume 79 (April 1905), pp. 121-122.

Locobase 15946 describes the Schenectady "power egg" that powered a New England Railroad "Composite" steam car. This entry shows the result of mating a duplicate power truck to an old emigrant car; this was delivered in October 1897 for installation in an old emigrant car. One difference was the reduction in cylinder diameter from 12" to 10 1/2".

Although the vehicle initially fired the imagination as a solution to short-distance branch line work, White reported that it fell short, as did a second car bought in 1898. Of the second car, an anthracite burner numbered 680, White wrote: "[E]ven though the car ran fourteen trips a day over the 4-mile branch, breakdowns were frequent and the ride was rough, more like a locomotive's than a coach's." And, like all other such vertical-boiler vehicles, the car couldn't make enough steam to meet the schedule. It was retired and broken up before 1902.

Specifications by Steve Llanso of Sweat House Media
Locobase ID15947
Number in Class1
Road Numbers
Number Built1
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase8'
Engine Wheelbase56.83'
Ratio of driving wheelbase to overall engine wheebase 0.14
Overall Wheelbase (engine & tender)56.83'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers75000 lbs
Engine Weight114000 lbs
Tender Light Weight
Total Engine and Tender Weight
Tender Water Capacity1400 gals
Tender Fuel Capacity (oil/coal)0.7 tons
Minimum weight of rail (calculated)25 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter42"
Boiler Pressure200 psi
Cylinders (dia x stroke)10.5" x 16"
Tractive Effort7140 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort)10.50
Heating Ability
Firebox Area49.60 sq. ft
Grate Area11.23 sq. ft
Evaporative Heating Surface539 sq. ft
Superheating Surface
Combined Heating Surface539 sq. ft
Evaporative Heating Surface/Cylinder Volume336.14
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2246
Same as above plus superheater percentage2246
Same as above but substitute firebox area for grate area9920
Power L16871
Power MT1009.86

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