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The record-breaking streamlined Class A4 Pacifics were the flagships of prestigious high-speed steam travel in the UK, and the six surviving ‘Streaks’ are now available for Train Simulator in one special Gathering. During a visit to Germany in 1933, Sir Nigel Gresley was taken by the high-speed streamlined ‘Flying Hamburger’ diesel train, a concept the London & North Eastern Railway had considered for its East Coast Main Line route. However, Gresley believed that steam power could do an equally impressive job and tested the theory with Class A3 ‘Papyrus’. Gresley’s tests were such a success that LNER granted permission to design more streamlined locomotives. The Class A4s were designed for prestigious high-speed passenger services, running from London Kings Cross to Edinburgh, Scotland via York and Newcastle. Both internal and external streamlining improved coal and water usage, and a Kylchap double chimney was proven to improve efficiency, making the Class A4s a much admired model with their distinctive flowing aerodynamic profile. A total of 35 ‘Streaks’ were produced at LNER’s Doncaster Works between 1935 and 1938 and were capable of a 90mph (140km/h) top speed in regular service. However, the Class A4s were record breakers from the outset - Silver Fox attained 113mph (182km/h) in August 1936, making it the highest recorded speed of a regular passenger train at the time. The most famous of days for the Class A4s was on 3rd July 1938. Pulling six coaches and a dynamometer car, Mallard reached 126mph (202.8km/h) at Stoke Bank, breaking the world speed record for steam locomotives of 124.5mph (200.4km/h) previously held by a German DBG Class 05. The record still stands today, making 2013 the 75th anniversary of this record breaking occasion. To mark the occasion, the UK