Technical Details
As with the earlier LNER A4 Pacifics, Sir Nigel Gresley was built with single chimney and side valances covering the wheels. The valances were removed to aid in maintenance on 21 February 1942. Sir Nigel Gresley gained her double chimney and Kylchap double blastpipe on 13 December 1957. 60007 also gained AWS equipment on 27 September 1950. A Smith-Stone type speed recorder was fitted on 30 June 1960.
Sir Nigel Gresley has had twelve boilers in her career: 8961 (from new); 8946 (from 4483 Kingfisher), 21 February 1942; 9489 (new boiler), 6 March 1947; 29271 (from 60024 Kingfisher), 27 September 1950; 29319 (new build), 17 April 1952; 29306 (spare), 19 October 1953; 29321 (from 60010 Dominion of Canada), 12 March 1955; 29314 (from 60026 Miles Beevor), 13 April 1957; 29324 (from 60015 Quicksilver), 13 December 1957; 29331 (new build), 16 April 1959; 27970 (new build), 7 October 1960 and finally 27966 (from 60016 Silver King), 25 October 1962.
Sir Nigel Gresley had two tenders in her career: 5329 from new build to 8 August 1943 and then 5324 from that time.
Read more about this topic: LNER Class A4 4498 Sir Nigel Gresley
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