Norfolk & Southern / Norfolk Southern 4-4-0 "American" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 38 (Locobase 4945)

Data taken from and the Norfolk & Southern Steam Locomotive Diagrams book supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

This is a slightly bigger design than the 1882 Rogers engine. In the diagram, the grate area is supposedly doubled to 36 sq ft. That seems unlikely, but there is no other information to go on. On the other hand, the diagram shows that the firebox is mounted above the driving axles and thus is wider.

Locobase can't match these to any entry on JF Webber's list of Dickson locomotives (conveyed to Locobase by Allen Stanley in March 2004).

Class B-5 (Locobase 11431)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 30, p.211 and from "Locomotive Building," The Railroad Gazette, Vol XLI, No 5 (3 August 1906), p. 31. Works numbers were 30491, 30508, 30521-30522, 30532 in March 1907; 30570-30571 in April 1907.

This class served the N & S (later the NS) for 25-30 years each. Four were sold to N Block, a scrap dealer. 48 and 51 were scrapped in July 1932. 52 went 5 years later in December 1937.

Specifications by Steve Llanso of Sweat House Media
Locobase ID4945 11,431
RailroadNorfolk Southern (NS)Norfolk & Southern (NS)
Number in Class27
Road Numbers38-3948-54 / 55-57, 51-54
Number Built27
BuilderDicksonBurnham, Williams & Co
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft) 8.59 9.08
Engine Wheelbase (ft)22.9224.29
Ratio of driving wheelbase to overall engine wheebase 0.37 0.37
Overall Wheelbase (engine & tender) (ft)46.50
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)68,10072,000
Engine Weight (lbs)92,400116,000
Tender Loaded Weight (lbs)80,000
Total Engine and Tender Weight (lbs)196,000
Tender Water Capacity (gals)38004000
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)5760
Geometry Relating to Tractive Effort
Driver Diameter (in)6866
Boiler Pressure (psi)140180
High Pressure Cylinders (dia x stroke) (in)19" x 24"18" x 24"
Tractive Effort (lbs)15,16218,026
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.49 3.99
Heating Ability
Firebox Area (sq ft)149.60
Grate Area (sq ft)3618.70
Evaporative Heating Surface (sq ft)12341686
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)12341686
Evaporative Heating Surface/Cylinder Volume156.68238.52
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation50403366
Same as above plus superheater percentage50403366
Same as above but substitute firebox area for grate area26,928
Power L16818
Power MT417.53


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