| 词条 | GWR 3100 Class |
| 释义 |
|powertype=Steam |name = GWR 3100 Class |image = |caption = |designer = Churchward (rebuilt by Collett) |builder = GWR Swindon Works |ordernumber = Lot 319 |builddate = 1906 |rebuilddate = 1938 |numberrebuilt = 5 |whytetype = 2-6-2T |uicclass = 1'C1 ht |gauge = {{track gauge|uksg|allk=on}} |leadingdiameter = {{convert|3|ft|0|in|m|3|abbr=on}} |driverdiameter = {{convert|5|ft|3|in|m|3|abbr=on}} |trailingdiameter = {{convert|3|ft|8|in|m|3|abbr=on}} |minimumcurve = {{convert|6|chain|0}} normal, {{convert|5|chain|0}} slow |length = {{convert|41|ft|0|in|m|2|abbr=on}} over buffers |width = {{convert|8|ft|11+1/4|in|m|3|abbr=on}} |height = {{convert|13|ft|2|in|m|3|abbr=on}} |axleload = {{long ton|19|3}} ({{convert|19|LT|3|Lcwt|ST|1|abbr=on|disp=output only}}) full |weightondrivers = {{long ton|57|6}} ({{convert|57|LT|6|Lcwt|ST|1|abbr=on|disp=output only}}) full |locoweight = {{long ton|81|9}} ({{convert|81|LT|9|Lcwt|ST|1|abbr=on|disp=output only}}) full |fueltype = Coal |fuelcap = |watercap = {{convert|2000|impgal|abbr=on}} |boiler = |boilerpressure = {{convert|225|lbf/in2|MPa|abbr=on}} |firearea = {{convert|20.56|sqft|m2|abbr=on}} |tubearea = {{convert|1349|sqft|m2|abbr=on}} |fireboxarea = {{convert|128.72|sqft|m2|abbr=on}} |superheatertype = 4-element or 6-element |superheaterarea = 4-element: {{convert|136.64|sqft|m2|abbr=on}}, 6-element: {{convert|181.10|sqft|m2|abbr=on}} |cylindercount = Two, outside |cylindersize = {{convert|18.5|x|30|in|mm|0|abbr=on}} |tractiveeffort = {{convert|31170|lbf|kN|abbr=on}} |operator= GWR » BR |operatorclass= 3100 |fleetnumbers = 3100–3104 |powerclass = GWR: D, BR: 4MT |axleloadclass = GWR: Red |withdrawndate = 1957–1960 |disposition = All scrapped }} The Great Western Railway (GWR) 3100 Class was a class of 2-6-2T side tank steam locomotive. HistoryThis class of large prairie was created in 1938 when Collett rebuilt some of Churchward's 3150 Class with a view to using them as bankers, particularly from Severn Tunnel Junction shed. These engines used the standard class 4 boiler again, but pressed to {{convert|225|psi|abbr=on}}. and using smaller coupled wheels of {{convert|5|ft|3|in|3}} diameter, and {{convert|1/2|in|spell=in}} increase in cylinder diameter, nominal tractive effort rose to {{convert|31,170|lb}}. Almost impossible to pick out was a {{convert|2|in|mm|1|abbr=on}} reduction in pony truck wheel diameter to {{convert|3|ft|0|in|mm|0|abbr=on}}. Only five engines were ever modified, namely 3173, 3156, 3181, 3155 and 3179 which were rebuilt as 3100 to 3104 respectively. None of these were preserved. See also
References
External links
5 : 2-6-2T locomotives|Great Western Railway locomotives|Railway locomotives introduced in 1938|Scrapped locomotives|Standard gauge steam locomotives of Great Britain |
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