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New York Elevated classes B and C
United States | 1878 | 45 produced
No. 39, built in 1878 by Baldwin
No. 39, built in 1878 by Baldwin

The first New York Elevated Forneys were 45 engines built in 1878 and 1879 by Baldwin and the Rhode Island Locomotive Works. There were two designs of different weight, which later became classes B and C. Like all Forneys, they had two coupled axles, the second of which had no flanges, and a trailing bogie that carried the full load of the supplies.

It all started with the locomotives later known as Class C, of which Baldwin supplied 13 and Rhode Island twelve. The engines delivered the following year became Class B and were slightly lighter with a smaller water supply. These consisted of ten pieces each from both manufacturers.

VariantBC
General
Built18791878
ManufacturerBaldwin, Rhode Island
Axle config0-4-4T (Forney) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase15 ft 1 in
Fixed wheelbase5 ft
Service weight35,000 lbs38,600 lbs
Adhesive weight20,700 lbs24,800 lbs
Water capacity450 us gal475 us gal
Fuel capacity1,600 lbs (coal)
Power
Power sourcesteam
Estimated power130 hp (97 kW)150 hp (112 kW)
Optimal speed18 mph20 mph
Starting effort4,697 lbf
Power Plant
Driver diameter38 in
Boiler pressure150 psi
Expansion typesimple
Cylinderstwo, 10 x 14 in
Boiler
Grate area10 sq ft
Firebox area40.5 sq ft44 sq ft
Tube heating area232.5 sq ft328 sq ft
Evaporative heating area273 sq ft372 sq ft
Total heating area273 sq ft372 sq ft
Calculated Values
steam locomotive
passenger
tank locomotive
elevated
Forney
last changed: 10/2022
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