| 词条 | NER Class X |
| 释义 |
| name = NER Class X LNER Class T1 | image = Stockton Locomotive Yard geograph-2358822-by-Ben-Brooksbank.jpg | alt = | caption = No. 69919 at Stockton Locomotive Depot 1954 | powertype = Steam | designer = Wilson Worsdell | builder = {{ubl|NER Gatehead Works (10)|Darlington Works (5)}} | ordernumber = | serialnumber = | buildmodel = | builddate = 1909–1910 (10) and 1925 (5) | totalproduction = 15 | rebuilder = | rebuilddate = | numberrebuilt = | whytetype = 4-8-0T | uicclass = 2′D n2t | driver = | gauge = {{track gauge|ussg}} | leadingdiameter = {{convert|3|ft|1+1/4|in|m|3|abbr=on}} | driverdiameter = | coupleddiameter = {{convert|4|ft|7+1/4|in|m|3|abbr=on}} | minimumcurve = | wheelbase = {{convert|29|ft|0|in|m|3|abbr=on}} | engine total = | leading = | drivers = | coupled = | trailing = | tender total = | tendertruck = | tenderbogie = | pivotcentres = | wheelspacing = | length = {{convert|42|ft|1|in|m|3|abbr=on}} | over couplers = | over bufferbeams= | width = | height = | frametype = | axleload = {{convert|18.00|LT|abbr=on}} | leadingbogie/pony= | coupled all = | coupled 1 = | coupled 2 = | coupled 3 = | coupled 4 = | coupled 5 = | coupled 6 = | coupled 7 = | coupled 8 = | trail bogie/pony= | tenderbogieload = | tenderaxle = | weightondrivers = {{convert|67.60|LT|abbr=on}} | locoweight = {{convert|85.40|LT|abbr=on}} | fueltype = Coal | fuelcap = {{convert|4.25|LT|abbr=on}} | watercap = {{convert|2500|impgal|abbr=on}} | sandcap = | fireboxtype = | firearea = {{convert|23|sqft|abbr=on}} | boiler = | boilertype = | pitch = | diameterinside = | lengthinside = | smalltubediameter= | largetubediameter= | boilerpressure = {{convert|175|lbf/in2|MPa|abbr=on}} | safetyvalvetype = | feedwaterheater = | totalsurface = {{convert|1295|sqft|m2|abbr=on}} | tubearea = {{convert|1168|sqft|m2|abbr=on}} | fluearea = | tubesandflues = | fireboxarea = {{convert|127|sqft|m2|abbr=on}} | superheatertype = | superheaterarea = | cylindercount = Three | cylindersize = {{convert|18|x|26|in|mm|0|abbr=on}} | valvegear = Stephenson | valvetype = {{convert|8+3/4|in|mm|0|adj=on}} piston valves | valvetravel = | valvelap = | valvelead = | transmission = | trainheating = | locobrakes = | locobrakeforce = | trainbrakes = | safety = | coupling = | maxspeed = | poweroutput = | tractiveeffort = {{convert|34080|lbf|kN|abbr=on}} | factorofadhesion = | operator = {{ubl|North Eastern Railway|London and North Eastern Railway|British Railways}} | operatorclass = | powerclass = BR: 7F, 5F from My 1953 | numinclass = | fleetnumbers = | officialname = | nicknames = | axleloadclass = LNER/BR: Route availability 8 | locale = | deliverydate = | firstrundate = | lastrundate = | withdrawndate = 1937–1961 | scrapdate = | disposition = All scrapped | notes = }} The NER Class X (LNER Class T1) was a class of 4-8-0T tank locomotive designed by Wilson Worsdell for the North Eastern Railway.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=29}} They were intended for use as powerful shunting engines to arrange and move coal wagons for loading into ships.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=29}} In total 15 were built, 10 by the NER between 1909 and 1910, and a further five in 1925 by the London and North Eastern Railway (LNER).{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=29}} They had three cylinders with divided drive: the inside cylinder driving the leading axle, the outside cylinders driving the centre.{{sfn|Ahrons|1927|p=338}} OverviewThe reversing gear was originally mechanical, but was replaced on all but two of the locomotives (nos. 1355/8) by steam-operated reversing gear between 1932 and 1934.{{sfn|Boddy|Brown|Fry|Hennigan|1977|pp=31–32}} The steam reversing gear was removed again between 1941 and 1947.{{sfn|Boddy|Brown|Fry|Hennigan|1977|pp=31–32}} In 1929, No. 1656 was moved to the newly built Whitemoor Yard at March, Cambridgeshire.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=33}} In 1932, this locomotive was replaced by Nos. 1355 and 1358.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=33}} Whitemoor preferred the ex-GCR 0-8-4T (LNER Class S1) for hump shunting, so in 1934 No 1358 was moved to Doncaster, and No. 1355 to Mexborough.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=33}} In 1936, No. 1355 moved to King's Cross to shunt the engine shed for seven weeks, before joining No. 1358 in Doncaster.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=33}} These two locomotives were scrapped at Doncaster in 1937.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=33}} The remaining T1s continued to work coal trains at various docks and marshalling yards throughout North East England.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=33}} After World War II, coal exports never returned to their pre-war levels.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=34}} Hence, many of the T1s moved to other sheds for heavy shunting duties.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=34}} NumberingOn the North Eastern Railway the first ten locomotives were numbered 1350–9; these numbers were retained following the formation of the LNER on 1 January 1923. The five built in 1925 were given LNER numbers 1656–60.{{sfn|Boddy|Brown|Fry|Hennigan|1977|pp=29,34}} In 1946, the thirteen remaining locomotives were renumbered 9910–22; these all passed to British Railways in 1948, being renumbered 69910-69922 between 1948 and 1951.{{sfn|Boddy|Brown|Fry|Hennigan|1977|pp=29,33,34}} PreservationTwo T1s having been withdrawn in 1937, the remainder were withdrawn between 1955 and 1961 and none has survived into preservation.{{sfn|Boddy|Brown|Fry|Hennigan|1977|p=34}} NotesSources
External links
5 : North Eastern Railway locomotives|4-8-0T locomotives|Railway locomotives introduced in 1909|Standard gauge steam locomotives of Great Britain|2′D n3t locomotives |
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