The locomotive Mallard, the holder of the World Steam Speed record, was designed by which engineer?
LNER Class A4 4468 Mallard LNER Class A4 4468 Mallard London and North Eastern Railway locomotive numbered 4468 "Mallard" is a Class A4 4-6-2 Pacific steam locomotive built at Doncaster Works, England in 1938. It is historically significant as the holder of the world speed record for steam locomotives at . The A4 class was designed by Sir Nigel Gresley to power high-speed streamlined trains. The wind-tunnel-tested, aerodynamic body and high power allowed the class to reach speeds of over , although in everyday service it rarely attained this speed. While in British Railways days regular steam-hauled rail services in the UK were officially limited
LNER Class A4 4468 Mallard the other five surviving A4s in 2013. A Corgi 1:120 scale model in Garter Blue as part of a series entitled "Rail Legends" is available. Hachette Publications have also released an 'O' Gauge 'Build-It-Yourself' model in Partwork format. This series is still current in June 2016. LNER Class A4 4468 Mallard London and North Eastern Railway locomotive numbered 4468 "Mallard" is a Class A4 4-6-2 Pacific steam locomotive built at Doncaster Works, England in 1938. It is historically significant as the holder of the world speed record for steam locomotives at . The A4 class was designed by Sir Nigel