| 词条 | LNWR Class G1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
| name = LNWR Class G1 | powertype = Steam | image = LNWR locomotive No. 1384 G1.jpg | alt = | caption = No. 1384 in photographic grey livery | designer = Charles Bowen Cooke | builder = Crewe Works | ordernumber = | serialnumber = | buildmodel = | builddate = 1901-1904 | totalproduction = New builds, 171 Rebuilds, 278 Total, 449 | rebuilder = Crewe Works | rebuilddate = | numberrebuilt = | whytetype = 0-8-0 | uicclass = D h2 | gauge = {{track gauge|ussg}} | driverdiameter = {{convert|4|ft|5+1/2|in|m|3|abbr=on}} | trailingdiameter = | minimumcurve = | wheelbase = | length = | width = | height = | axleload = | weightondrivers = | locoweight = {{long ton|60|15}} | fueltype = coal | fuelcap = | watercap = | sandcap = | boiler = | boilerpressure = {{convert|160|psi|MPa|2|abbr=on}} | feedwaterheater = | firearea = | tubearea = | fluearea = | tubesandflues = | fireboxarea = | totalsurface = | superheatertype = | superheaterarea = | cylindercount = 2 inside | cylindersize = 20½" x 24" | valvegear = | valvetype = | valvetravel = | valvelap = | valvelead = | transmission = | maxspeed = | poweroutput = | tractiveeffort = {{convert|25640|lbf|kN|1|abbr=on}} | factorofadhesion = | trainheating = | locobrakes = | locobrakeforce = | trainbrakes = | safety = | operator = LNWR » LMS » BR | operatorclass = | powerclass = BR, 6F | numinclass = | fleetnumbers = | officialname = | nicknames = | axleloadclass = | locale = | deliverydate = | firstrundate = | lastrundate = | withdrawndate = | preservedunits = | restoredate = | scrapdate = | currentowner = | disposition = | notes = }} The London and North Western Railway (LNWR) Class G1 was a class of 0-8-0 steam locomotives. It was a superheated version of the LNWR Class G with 8 inch piston valves.[1] The prototype was rebuilt in 1912 from a member of Class G and a further 170 new locomotives were built between 1912 and 1918. In addition, 278 older locomotives were rebuilt to the G1 specification between 1917 and 1934. NumberingNumbering is somewhat complicated. The LNWR used a numbering system based on the lowest available number, with the result that the numbers were scattered through the stock book. The London, Midland and Scottish Railway (LMS) renumbered the engines into a more logical series. However, they also then continued to rebuild engines, which retained the numbers originally assigned by the LMS. British Railways (BR) inherited 98 locomotives in 1948 and numbered them in the range 48892-49384. The number series is not continuous because some numbers in the same range were given to G2A Class locomotives.[2] Construction and rebuilding list
Some were rebuilt back from Class G2a to Class G1 as they passed through heavy overhaul and received lower pressure boilers. References1. ^{{cite web|author=LNWR Society |url=http://www.lnwrs.org.uk/GoodsLocos/Loco22.php |title=Goods Engines of LNWR - ‘G1’ Class |publisher=Lnwrs.org.uk |date= |accessdate=2012-04-09}} 2. ^Ian Allan ABC of British Railways Locomotives, 1948 edition, part 3, pp 39-40 Further reading{{Commons category|LNWR G1 Class}}
5 : London and North Western Railway locomotives|0-8-0 locomotives|Standard gauge steam locomotives of Great Britain|Railway locomotives introduced in 1901|D h2 locomotives |
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