| 词条 | NER Class P1 |
| 释义 |
|powertype=Steam |name = NER Class P1 LNER Class J25 |image = |caption = |designer = Wilson Worsdell |builder = NER Gateshead Works (80) NER Darlington Works (40) |builddate = 1898-1902 |totalproduction = 120 |whytetype = 0-6-0 |gauge = {{RailGauge|ussg}} |driverdiameter = {{convert|4|ft|7.25|in|3|abbr=on}} |length = |locoweight = {{convert|39.55|LT|abbr=on}} |fueltype = coal |fuelcap = |watercap = |cylindercount = two inside |cylindersize = {{convert|18.5|x|26|in|abbr=on}} |firearea = |boilerpressure = {{convert|160|psi|abbr=on}} |tractiveeffort = {{convert|21905|lbf|abbr=on}} |operatorclass=NER: P1; LNER: J25 |powerclass=LNER: 4; GWR: A; BR: 3F |axleloadclass=LNER/BR: 3; GWR: Yellow }} The NER Class P1 (LNER Class J25) was a class of 0-6-0 steam locomotives of the North Eastern Railway.[1][2] Class P1 was a development of Class P, having a boiler four inches longer, and a firebox six inches longer. To accommodate these, the wheelbase was increased by nine inches. The cylinder stroke was also increased by two inches. OwnershipNorth Eastern RailwayA total of 120 was built at the North Eastern Railway's locomotive workshops at both Gateshead and Darlington, between 1898 and 1902, in six batches of 20. Their numbers were 1961-2000, 2031–80, 2126-42 with the remainder scattered between 25 and 1743. London and North Eastern RailwayAll passed to the London and North Eastern Railway (LNER) in 1923, and their NER numbers were retained, but they were placed in LNER Class J25.[3]
During World War II, 40 locomotives were loaned to the Great Western Railway (GWR). The first transfers to the GWR occurred in October 1939, and the last was not returned to the LNER until December 1946.[3]
The general LNER renumbering scheme was prepared in 1943, and at that time, 85 locomotives of the J25 class remained: these were allotted 5645-5729, being renumbered during 1946, apart from six which had been withdrawn in the interim. British RailwaysSeventy-six locomotives survived into British Railways (BR) ownership in 1948. Of these, 64 were given BR numbers, being the 1946 LNER numbers increased by 60000.[3] Accidents and incidents
References1. ^{{cite book| title=Ian Allan ABC of British Railways Locomotives, part 4| edition=1948| page=42}} {{LNER Locomotives}}2. ^{{cite web| url=http://www.lner.info/locos/J/j25.shtml| title=The W.Worsdell J25 (NER Class P1) 0-6-0 Locomotives| website=LNER Encyclopedia}} 3. ^1 2 {{cite book |editor-last=Fry |editor-first=E.V. |title=Part 5: Tender Engines - Classes J1 to J37 |series=Locomotives of the L.N.E.R. |date=September 1966 |publisher=RCTS |location=Kenilworth |isbn=0-901115-12-6 |pages=163–4, 166–8 }} 4. ^{{cite book |last=Hoole |first=Ken |authorlink=Ken Hoole |title=Trains in Trouble: Vol. 4 |year=1983 |publisher=Atlantic Books |location=Redruth |isbn=0-906899-07-9 |page=28 }} 5 : 0-6-0 locomotives|North Eastern Railway locomotives|Railway locomotives introduced in 1898|Standard gauge steam locomotives of Great Britain|Scrapped locomotives |
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