Tanganyika Railway RV class East African Railways 21 class East African Railways publicity photograph of TR no. 252,
c. 1953 Type and origin Power type Steam Builder Vulcan Foundry Serial number 4318–4320, 4352–4353, 4426, 4447–4448 Build date 1928–1930 Total produced 8
Specifications Configuration: • Whyte 4-8-2 • UIC 2′D1' h2 Gauge 1,000 mm 3 ft 3+ 3 ⁄8 in )Driver dia.43 in (1,092 mm) Adhesive weight 39.8 long tons (40.4 t) Loco weight 59.8 long tons (60.8 t) Fuel type Oil Fuel capacity 1,300 imp gal (5,900 L; 1,600 US gal) Water cap. 3,500 imp gal (16,000 L; 4,200 US gal) Firebox: • Grate area 27 sq ft (2.51 m2 ) Boiler pressure 160 psi (1.10 MPa) (165 psi (1.14 MPa)) Heating surface: • Firebox 139 sq ft (12.9 m2 ) • Tubes 2 ) • Total surface 1,742 sq ft (161.8 m2 ) Superheater: • Heating area 297 sq ft (27.6 m2 ) Cylinders 2 Cylinder size 18 in × 23 in (457 mm × 584 mm)
Career Operators Class TR: RV class EAR: 21 class Number in class 8 Numbers TR: 250–257/500–507 EAR: 2101–2108 Delivered 1928–1930
The TR RV class , later known as the EAR 21 class , was a class of 1,000 mm 3 ft 3+ 3 ⁄8 in ) gauge steam locomotives designed and built for the Tanganyika Railway (TR) as a 4-8-2 2-8-2 TR MK class . The eight members of the RV class were built by Vulcan Foundry , in Newton-le-Willows , Lancashire (now part of Merseyside ), England.
The "RV" class designation was short for "River", as each RV class locomotive was named after a river in the Tanganyika Territory . The class entered service on the TR between 1928 and 1930, and its members were later operated by the TR's successor, the East African Railways (EAR).
The builder's and fleet numbers, and names, of each member of the class were as follows:
Builder's 1st TR 2nd TR EAR Name Notes 4318 250 500 2101 Kalambo 4319 251 501 2102 Ruvuma 4320 252 502 2103 Rufiji 4352 253 503 2104 Pangani 4353 254 504 2105 Ruaha 4426 255 505 2106 Kagera 4447 256 506 2107 Lukuedi 4448 257 507 2108 Lupa
Vulcan Foundry works photo of TR 252
Durrant, A E; Lewis, C P; Jorgensen, A A (1981). Steam in Africa . London: Hamlyn . ISBN 978-0-600-34946-4 OCLC 9014344 . OL 15088099M . Wikidata Q111363476 . Patience, Kevin (1976), Steam in East Africa: a pictorial history of the railways in East Africa, 1893-1976 , Nairobi: Heinemann Educational Books (E.A.) Ltd, OCLC 3781370 , Wikidata Q111363477 Ramaer, Roel (1974). Steam Locomotives of the East African Railways . David & Charles Locomotive Studies. Newton Abbot, North Pomfret: David & Charles . ISBN 978-0-7153-6437-6 OCLC 832692810 . OL 5110018M . Wikidata Q111363478 . Ramaer, Roel (2009). Gari la Moshi: Steam Locomotives of the East African Railways . Malmö: Stenvalls. ISBN 978-91-7266-172-1 OCLC 502034710 . Wikidata Q111363479 . TR RV class at Wikimedia Commons
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