LMS Rebuilt Jubilee Class

LMS rebuilt Jubilee Class

45735 Comet at Wigan (North Western) in June 1957
Type and origin
Power type Steam
Rebuild date 1942
Number rebuilt 2
Specifications
Configuration:
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 • Whyte 4-6-0
 • UIC 2′C h2
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Leading dia. 3 ft 3 1⁄2 in (1.003 m)
Driver dia. 6 ft 9 in (2.057 m)
Length 64 ft 8 3⁄4 in (19.73 m)
Loco weight 82.00 long tons (83.32 t)
Tender weight 54.65 long tons (55.53 t)
Fuel type Coal
Fuel capacity 9.0 long tons (9.1 t)
Water cap 4,000 imp gal (18,000 l; 4,800 US gal)
Firebox:
 • Firegrate area		 31 1⁄4 sq ft (2.90 m2)
Boiler LMS type 2A
Boiler pressure 250 lbf/in2 (1.7 MPa)
Heating surface:
 • Tubes and flues		 1,667 sq ft (154.9 m2)
 • Firebox 195 sq ft (18.1 m2)
Superheater:
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 • Heating area 348 to 367 sq ft (32.3 to 34.1 m2)
Cylinders Three
Cylinder size 17 in × 26 in (432 mm × 660 mm)
Valve gear Walschaerts
Valve type Piston valves
Performance figures
Tractive effort 2A: 29,570 lbf (131.5 kN)
Career
Power class 6P, later 7P
Numbers
  • LMS: 5735–5736
  • BR: 45735–45736
Axle load class BR: Route Availability 9
Withdrawn 1964
Disposition Both scrapped

The London Midland and Scottish Railway (LMS) Rebuilt Jubilee Class consisted of two 4-6-0 steam locomotives.

Both were rebuilt in 1942 from the LMS Jubilee Class engines—5736 Phoenix in April 1942 and 5735 Comet a month later. They were the second and third examples of the LMS 2A boilered 4-6-0 locomotives, following on from the 1935 pioneer rebuild 6170 British Legion. Both Jubilees had been built in 1936 at Crewe, and therefore their original type 3A boilers were not life expired and hence were refurbished and reused on different engines rather than being scrapped. They were given the power classification 6P.

From 1943 it was decided not to repeat the conversion on the remaining 189 members of the Jubilee Class. Rather it was decided to rebuild members of the LMS Royal Scot Class into the LMS Rebuilt Royal Scot Class.

Both were inherited by British Railways in 1948 in and BR added 40000 to their numbers so that they became 45735/6. 45736 Phoenix was withdrawn in September 1964 and 45735 Comet followed in October. Neither was preserved.

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