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Difference between revisions of "Norton ES2"
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|caption=1961 slimline featherbed-framed version | |caption=1961 slimline featherbed-framed version | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer =Norton Motorcycle Company|Norton Motors Ltd, Aston, Birmingham | ||
|parent_company =[[Associated Motor Cycles|AMC Ltd]] from 1953<ref name= "The Motor Cycle"/> | |parent_company =[[Associated Motor Cycles|AMC Ltd]] from 1953<ref name= "The Motor Cycle"/> | ||
|production =1928-1964<ref name= "The Motor Cycle"/> | |production =1928-1964<ref name= "The Motor Cycle"/> | ||
|predecessor =Model 18 1922-27<ref name= "The Motor Cycle"/> | |predecessor =Model 18 1922-27<ref name= "The Motor Cycle"/> | ||
|successor =Norton ES2 Mk2 (Norton badged Matchless) 1965-1966<ref>{{cite web |last1=Robinson |first1=James |title=Norton ES2 and Matchless G3 |url=https://www.classicmotorcycle.co.uk/articles/2012-05/norton-es2-and-matchless-g3 |website=Classic Motorcycle |accessdate=29 March 2013 |archiveurl=https://web.archive.org/web/20120623163414/https://www.classicmotorcycle.co.uk/articles/2012-05/norton-es2-and-matchless-g3 |archivedate=23 June 2012 |date=6 June 2012}}</ref> | |successor = [[Norton ES2 Mk2]] (Norton badged Matchless) 1965-1966<ref>{{cite web |last1=Robinson |first1=James |title=Norton ES2 and Matchless G3 |url=https://www.classicmotorcycle.co.uk/articles/2012-05/norton-es2-and-matchless-g3 |website=Classic Motorcycle |accessdate=29 March 2013 |archiveurl=https://web.archive.org/web/20120623163414/https://www.classicmotorcycle.co.uk/articles/2012-05/norton-es2-and-matchless-g3 |archivedate=23 June 2012 |date=6 June 2012}}</ref> | ||
|class = | |class = | ||
|engine = 490cc OHV air cooled single | |engine = 490cc OHV air cooled single | ||
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==Development== | ==Development== | ||
It was a long stroke single, always 79mm x 100mm bore and stroke, originally launched as a [[Sport bike|sports motorcycle]] but throughout its long life it was gradually overtaken by more powerful models. | It was a long stroke single, always 79mm x 100mm bore and stroke, originally launched as a [[Sport bike|sports motorcycle]] but throughout its long life it was gradually overtaken by more powerful models. | ||
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File:1946-norton-es2-500cc-single-7.jpg|1946 Norton ES2 500cc single | File:1946-norton-es2-500cc-single-7.jpg|1946 Norton ES2 500cc single | ||
</gallery> | </gallery> | ||
==1949== | |||
[[File:Norton ES2 motorcycle 1949.JPG|thumb|left|upright=0.8|1949 ES2]] | |||
{{clear}} | |||
==Featherbed frame== | ==Featherbed frame== | ||
From 1959 it used the Rex McCandless designed [[Featherbed frame]], with upgrades featuring an improved AMC gearbox, revised cylinder head, crankshaft-mounted Lucas RM15 60-watt alternator with coil ignition and an 8-inch front brake with full width hubs front and rear.<ref name= "The Motor Cycle">The Motor Cycle, Road Test, 4 June 1959</ref> The wideline Featherbed-framed bike was road tested in ''[[The Motor Cycle]]'' 4 June 1959 issue and was reported to have a mean top speed of 82 mph with petrol consumption of 56 mpg at 60 mph.<ref name= "The Motor Cycle"/> | From 1959 it used the Rex McCandless designed [[Featherbed frame]], with upgrades featuring an improved AMC gearbox, revised cylinder head, crankshaft-mounted Lucas RM15 60-watt alternator with coil ignition and an 8-inch front brake with full width hubs front and rear.<ref name= "The Motor Cycle">The Motor Cycle, Road Test, 4 June 1959</ref> The wideline Featherbed-framed bike was road tested in ''[[The Motor Cycle]]'' 4 June 1959 issue and was reported to have a mean top speed of 82 mph with petrol consumption of 56 mpg at 60 mph.<ref name= "The Motor Cycle"/> | ||