| 词条 | GWR 4575 Class | |||||||||||||||||||||||||||||||||||||
| 释义 |
|name = GWR 4575 class |powertype = Steam |image = 5521 Didcot (2).jpg |caption = |designer = Charles Collett |builder = GWR Swindon Works |ordernumber = Lots 242, 249, 251, 253 |serialnumber = |builddate = 1927–1929 |totalproduction = 100 |whytetype = 2-6-2T |uicclass = 1'C1' ht |gauge = {{track gauge|uksg|allk=on}} |leadingdiameter = {{convert|3|ft|2|in|m|3|abbr=on}} |driverdiameter = {{convert|4|ft|7+1/2|in|m|3|abbr=on}} |trailingdiameter = {{convert|3|ft|2|in|m|3|abbr=on}} |minimumcurve = {{convert|5|chain}} normal, {{convert|4.5|chain}} slow |wheelbase = {{convert|26|ft|10|in|m|2|abbr=on}} |length = {{convert|36|ft|4+1/2|in|m|2|abbr=on}} over buffers |width = {{convert|8|ft|9|in|m|3|abbr=on}} |height = {{convert|13|ft|0|in|m|3|abbr=on}} |axleload = {{long ton|15|11}} ({{convert|15|LT|11|Lcwt|ST|1|abbr=on|disp=output only}}) full |weightondrivers = {{long ton|46|5}} ({{convert|46|LT|5|Lcwt|ST|1|abbr=on|disp=output only}}) full |locoweight = {{long ton|61|0}} ({{convert|61|LT|0|Lcwt|ST|1|abbr=on|disp=output only}}) full |fueltype = Coal |fuelcap = |watercap = {{convert|1300|impgal|abbr=on}} |boiler = |boilerpressure = {{convert|200|lbf/in2|MPa|2|abbr=on}} |firearea = {{convert|16.6|sqft|m2|abbr=on}} |tubearea = {{convert|992.51|sqft|m2|abbr=on}} |fluearea = |tubesandflues = |fireboxarea = {{convert|94.25|sqft|m2|abbr=on}} |totalsurface = |superheatertype = 4-element or 6-element |superheaterarea = 4-element: {{convert|52.98|sqft|m2|abbr=on}}, 6-element: {{convert|69.84|sqft|m2|abbr=on}} |cylindercount = Two, outside |cylindersize = {{convert|17|x|24|in|mm|0|abbr=on}} |valvegear = Stephenson |valvetype = piston valves |valvetravel = |valvelap = |valvelead = |transmission = |maxspeed = |poweroutput = |tractiveeffort = {{convert|21250|lbf|kN|abbr=on}} |factorofadhesion = |trainheating = |locobrakes = |locobrakeforce = |trainbrakes = Vacuum |safety = |operator = GWR » BR |operatorclass = 4575 |powerclass = GWR: C, BR: 4MT |numinclass = 100 |fleetnumbers = 4575–4599, 5500–5574 |officialname = |nicknames = Small Prairie |axleloadclass = GWR: Yellow |locale = |deliverydate = |firstrundate = |lastrundate = |withdrawndate = 1956–1964 |preservedunits = 4588, 5521, 5526, 5532, 5538, 5539, 5541, 5542, 5552, 5553, 5572 |restoredate = |scrapdate = |currentowner = |disposition = 11 preserved, remainder scrapped }} The Great Western Railway (GWR) 4575 Class is a class of 2-6-2T steam locomotives. HistoryThey were designed as small mixed traffic branch locomotives, mainly used on branch lines. They were a development of Churchward's 4500 Class with larger side tanks and increased water capacity.[1] 100 were built numbered 4575–4599 and 5500–5574. A number were fitted with auto apparatus in 1953 to enable them to run push-pull trains on South Wales lines with auto trailers.[1] They often are referred to as Small Prairie Class tank locomotives. Preservation11 of these engines survive:
In fictionOne of these locomotives with the GWR Shirtbutton logo was featured in the train chase sequence from the 1978 Disney film Candleshoe. Models and ToysLima made a model of the 4575 class, number 4589, in GWR green, also a British Railways black-liveried version, running number 5574. Bachmann Branchline have for many years made various versions of the 4575 Class. See also
References
1. ^1 {{cite book |last=le Fleming |first=H.M. |editor-last=White |editor-first=D.E. |title=The Locomotives of the Great Western Railway, part nine: Standard Two-Cylinder Classes |date=February 1962 |publisher=RCTS |page=J46-J50 |ref=harv }} 2. ^{{cite web |url=http://southdevonrailway.co.uk/gone-not-forgotten/4588 | title=South Devon Railway 4588 page}} 3. ^{{cite web|url=http://www.avonvalleyrailway.org/about-us/locomotives/gwr-no5521l150 |title=Avon Valley Railway 5521 page |deadurl=yes |archiveurl=https://web.archive.org/web/20150706155107/http://www.avonvalleyrailway.org/about-us/locomotives/gwr-no5521l150 |archivedate=2015-07-06 |df= }} 4. ^{{cite web |url=http://theflourmill.com/locomotives_5521.html | title= The Flour Mill 5521 page}} 5. ^{{cite web |url=https://www.chinnorrailway.co.uk/article.php/146/5526-will-be-at-chinnor-from-march-2018-until-jan-2019 | title=5526 will be at Chinnor from March 2018 until Jan 2019}} 6. ^{{cite web |url=http://www.llangollen-railway.org.uk/sloco5532.html | title=Llangollen Railway 5532 Page }} 7. ^{{cite web |url=http://theflourmill.com/projects.html | title=The Flour Mill Projects page}} 8. ^{{cite web |url=http://www.llangollen-railway.org.uk/sloco5539.html| title=Llangollen Railway 5539 Page}} 9. ^{{cite web|url=http://www.deanforestlocogroup.org/latest-news/locomotives/gwr-small-prairie-5541/ |title=Dean Forest Locomotive Group 5541 Page }} 10. ^{{cite web |url=http://www.5542.co.uk/| title=5542 Web site}} 11. ^{{cite web |url=http://www.bodminrailway.co.uk/stock/moreinfo/77 | title=Bodmin and Wenford Stock List - 5552}} 12. ^{{cite web | url=http://www.didcotrailwaycentre.org.uk/locos/5572/5572.html | title=5572 - 2-6-2T}} External links{{commons category|GWR 4575 Class}}
4 : Great Western Railway locomotives|2-6-2T locomotives|Railway locomotives introduced in 1927|Standard gauge steam locomotives of Great Britain |
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