The Pennsylvania Railroad's class N2sa comprised rebuilds to PRR practice of the 130 USRA Heavy Santa Festeam locomotives the railroad received under the auspices of the United States Railroad Administration, the nationalized central control of the nation's railroads during World War I. These locomotives, as received, were classified N2s. Rebuilds began from 1923 and all locomotives were rebuilt, classified N2sa after the rebuild. They received a Belpaire firebox, the PRR-standard smokebox front, a raised headlight following PRR practice, and the bell moved from smokebox front to boiler top. Brakemen's "doghouse" shacks were built on the rear tender decks.
Their assignments were primarily in PRR Lines West (of Pittsburgh), especially after the introduction of the I1s2-10-0 “Decapods”. Both these and the PRR-designed N1s 2-10-2s were primarily used to haul iron ore from the ports on the Great Lakes and coal towards them, at a slow drag freight maximum speed of 35 miles per hour (56 km/h). The arrival of larger power such as the J1 shifted the N2sa locomotives to more secondary roles.
Railroad Master Mechanics' Association (1922). Locomotive Cyclopedia of American Practice - 6th Edition, 1922. Simmons-Boardman.
Barris, Wes (2005-05-21). . SteamLocomotive.com. Archived from the original on 2009-05-15. Retrieved 2006-01-17.
Staufer, Alvin (1962). Pennsy Power. Staufer. pp. 82–87. LOC 62-20878.
January 01, 1970
pennsylvania, railroad, class, n2sa, this, article, includes, list, references, related, reading, external, links, sources, remain, unclear, because, lacks, inline, citations, please, help, improve, this, article, introducing, more, precise, citations, august,. This article includes a list of references related reading or external links but its sources remain unclear because it lacks inline citations Please help improve this article by introducing more precise citations August 2016 Learn how and when to remove this message The Pennsylvania Railroad s class N2sa comprised rebuilds to PRR practice of the 130 USRA Heavy Santa Fe steam locomotives the railroad received under the auspices of the United States Railroad Administration the nationalized central control of the nation s railroads during World War I These locomotives as received were classified N2s Rebuilds began from 1923 and all locomotives were rebuilt classified N2sa after the rebuild They received a Belpaire firebox the PRR standard smokebox front a raised headlight following PRR practice and the bell moved from smokebox front to boiler top Brakemen s doghouse shacks were built on the rear tender decks PRR N2sa Rebuilt N2s Type and originPower typeSteamBuilderALCO BaldwinBuild date1919 rebuilt from 1923 Total produced130SpecificationsConfiguration Whyte2 10 2 UIC1 E2 Gauge4 ft 8 1 2 in 1 435 mm standard gaugeLeading dia 33 in 0 84 m Driver dia 63 in 1 60 m Trailing dia 43 in 1 09 m Wheelbase42 ft 2 in 12 85 m Length55 ft 4 in 16 87 m without tenderWidth10 ft 8 in 3 25 m Height15 ft 9 in 4 80 m Adhesive weight297 000 lb 135 000 kg Loco weight380 700 lb 172 700 kg Total weight458 100 lb 207 800 kg Fuel typeSoft coalFuel capacity17 short tons 15 t 15 long tons Water cap 12 000 US gal 45 000 L 10 000 imp gal Firebox Grate area82 2 sq ft 7 64 m2 Boiler pressure190 psi 1 3 MPa Heating surface Firebox420 sq ft 39 m2 Tubes and flues4 560 sq ft 424 m2 Total surface4 980 sq ft 463 m2 Superheater Heating area1 222 sq ft 113 5 m2 Cylinders2Cylinder size30 in 32 in 762 mm 813 mm Valve gearWalschaerts SouthernPerformance figuresMaximum speed35 mph 56 km h Tractive effort74 000 lbf 329 17 kN Factor of adh 4 01CareerRetired1947 1953DispositionAll Scrapped Their assignments were primarily in PRR Lines West of Pittsburgh especially after the introduction of the I1s 2 10 0 Decapods Both these and the PRR designed N1s 2 10 2s were primarily used to haul iron ore from the ports on the Great Lakes and coal towards them at a slow drag freight maximum speed of 35 miles per hour 56 km h The arrival of larger power such as the J1 shifted the N2sa locomotives to more secondary roles References editSchoenberg Robert ed N2s 2 10 2 Steam Loco PRR Steam Locomotive diagrams Railroad Master Mechanics Association 1922 Locomotive Cyclopedia of American Practice 6th Edition 1922 Simmons Boardman Barris Wes 2005 05 21 USRA Locomotives SteamLocomotive com Archived from the original on 2009 05 15 Retrieved 2006 01 17 Staufer Alvin 1962 Pennsy Power Staufer pp 82 87 LOC 62 20878 Retrieved from https en wikipedia org w index php title Pennsylvania Railroad class N2sa amp oldid 1191632850, wikipedia, wiki, book, books, library,
