The achievements of the USA's Milwaukee "Hiawatha" A class Atlantics and F7 Hudsons will be examined: locos recorded at speeds very close to the European records. The comparison will ask if horsepower calculations support the partly erratic dynamometer car speeds recorded for Mallard, and whether railway "politics" or national pride influenced the speeds reported for that loco. But Mallard's dash was down Stoke bank against 05 002's near level track epic, and Mallard failed with an overheated big end bearing immediately after it's top speed. 18 201 saved some of it's very fast running for the later decades of the 20th century, before becoming the first steam loco in the world to be authentically recorded at over 100 mph, (102 mph), in the 21st Century.Ī comparison is made with UK A4 class pacific Mallard which is said just passed the 124.5 mph of 05 002 on 3rd July 1938, as Mallard's designer, Sir Nigel Gresley only counted the 125 mph as the true maximum. This loco, referred to as, The world's fastest still operational steam locomotive, was, albeit in a different form, part of Germany's high speed steam loco development in the 1930's. Staying in Germany, consideration will be given to the achievements and potential of currently operational three cylinder pacific 18 201. On the return of that run the maroon 4-6-4 set the world record for the fastest ever start to stop average speed by a steam locomotive. A few days later the loco was in action again at 118 mph, hauling a train for English Railway Engineers, including that master of recording steam loco performance, Cecil J Allen. Between 19 that loco put in an astounding series of very fast tests, including it's near level track 124.5 mph on 11th May 1936 achieved during a long, fast run from Hamburg to Berlin: perhaps the fastest ever long distance European steam run. It looks at Germany's streamlined 4-6-4 Hudson 05 002. This web page looks mainly to the 1930's when the UK, Germany and the USA were seeing very high steam locomotive speeds. Help needed to progress my research on high speed steam running Milkwaukee's streamlined "Hiawatha" A class Atlantics and F7 HudsonsĬurrently the World's Fastest Operational Steam Locomotive Includes High Speed 05 Test Manager Paul Roth's account Which of these two locos was the fastest? Last updated 6 March 2021: Web page re-formatted and uploaded again to the InternetĪn overview of what this part of the web site will coverĪ remarkable loco that produced an astounding set of high speed runs in 1935/36 Fastest Steam Locomotive WAS GERMAN 05 002 THE WORLD'S FASTEST STEAM LOCO?
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