| 词条 | GCR Class 8F |
| 释义 |
| name = GCR Class 8F LNER B4 | powertype = Steam | image = Ardsley Locomotive Depot geograph-2844359-by-Ben-Brooksbank.jpg | caption =B4 4-6-0 No. 1486 at Ardsley Locomotive Depot | designer = John G. Robinson | builder = Beyer, Peacock and Company | ordernumber = BP: 9458 | serialnumber = 4816–4825 | builddate = June – July 1906 | totalproduction = 10 | whytetype = 4-6-0 | uicclass = 2'Cn2 | gauge = {{track gauge|ussg}} | leadingdiameter = {{convert|3|ft|6|in|m|3|abbr=on}} | driverdiameter = {{convert|6|ft|7|in|m|3|abbr=on}} | minimumcurve = | wheelbase = {{convert|51|ft|10|in|m|3|abbr=on}} | length = {{convert|61|ft|11.25|in|m|3|abbr=on}} | width = | height = {{convert|13|ft|0|in|m|3|abbr=on}}{{cn|date=January 2017}} | axleload = | weightondrivers = {{long ton|54|18}} | locoweight = {{long ton|70|14}} | tenderweight = {{long ton|48|6}} | locotenderweight = | tendertype = | fueltype = Coal | fuelcap = {{long ton|6|0}} | watercap = {{convert|4000|impgal|abbr=on}} | diameterinside = {{convert|4|ft|9.5|in|mm|abbr=on}} to {{convert|5|ft|mm|abbr=on}} | fireboxarea = {{convert|133|sqft|m2|abbr=on}}{{sfn|Boddy|Brown|Fry|Hennigan|1975|p=24}} | totalsurface = {{ubl|As built: {{convert|1911|sqft|abbr=on}}|Superheated: {{convert|1482|sqft|abbr=on}}}}{{sfn|Boddy|Brown|Fry|Hennigan|1975|p=8}} | superheaterarea = {{convert|242|sqft|abbr=on}}{{sfn|Boddy|Brown|Fry|Hennigan|1975|p=8}} | boilerpressure = {{convert|180|lbf/in2|MPa|2|abbr=on}} | cylindercount = Two, outside | cylindersize = {{ubl|As built: {{convert|19|x|26|in|abbr=on}}|B4/1 sub-class: {{convert|21|×|26|in|abbr=on}}}}{{sfn|Boddy|Brown|Fry|Hennigan|1975|pp=24–25}} | valvegear = Stephenson | valvetype = Slide, some later {{convert|10|in|mm|0|adj=on}} piston valves | operator = {{ubl|GCR|→LNER}} | operatorclass = GCR: 8F LNER: B4 | powerclass = | numinclass = | fleetnumbers = GCR: 1095–1104 LNER: 6095–6104, later 1481–1489 | nicknames = Immingham | axleloadclass = LNER: Route Availability: 5 | withdrawndate = February 1944 – November 1950 | scrapdate = | disposition = All scrapped | notes = }} The GCR Class 8F was a class of ten 4-6-0 locomotives built for the Great Central Railway in 1906 by Beyer, Peacock and Company to the design of John G. Robinson for working fast goods and fish trains. They passed to the London and North Eastern Railway at the 1923 grouping and received the classification 'B4'. DesignThe new design was very similar to 4-6-0 the two locomotives of the (GCR Class 8C, later LNER class B1) except that they had smaller driving wheels. They were built with a saturated boiler, inside slide valves and Stephenson valve gear, two outside cylinders connected to {{convert|6|ft|7|in|m|3|adj=on}} diameter driving wheels.{{sfn|Boddy|Brown|Fry|Hennigan|1975|p=6}} LNER ownershipThe ten locomotives were renumbered by the LNER by adding 5000 to their GCR numbers; and classified as B4. ModificationsBetween 1925 and 1928 the whole class received superheated boilers, but six received 10-inch piston valves and 21-inch cylinders giving rise to two LNER sub-classes B4/1 and B4/2.{{sfn|Boddy|Brown|Fry|Hennigan|1975|p=25}} The LNER had designed a new type of superheated boiler (Diagram 16) based on the old design (Diagram 15). These were used on the B1 and B4 class locomotives; no more of this type of boiler was made after 1932, and so to keep the B1 and B4s in service during World War II, some Diagram 15 boilers were modified for use with these locomotives. {{sfn|Boddy|Brown|Fry|Hennigan|1975|p=8}} Allocation and workThe class were originally used on fish trains between the port of Grimsby and London and Manchester although they were also found to be successful passenger locomotives. The first locomotive No. 1095 was also chosen to haul the special train at the inauguration ceremony for the new port of Immingham in 1906, and was named ‘Immingham’ thereafter. After grouping the class was transferred to Ardsley, South Yorkshire and did much useful work in the West Riding of Yorkshire References
7 : 4-6-0 locomotives|2′C n2 locomotives|Great Central Railway locomotives|Beyer, Peacock locomotives|Railway locomotives introduced in 1906|Scrapped locomotives|Standard gauge steam locomotives of Great Britain |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。