Top end assembly
A longside reorganising the Triumph works with regard to company and production line efficiency, Edward Turner – appointed chief designer and general manager in 1936 by Jack Sangster on his purchase of the struggling Coventry factory – was working on his take of the vertical twin engine.
This wasn’t Triumph’s first vertical twin, as Val Page had designed and helped into production the 646cc 6/1, with prototypes unveiled in 1933, while in 1913 Triumph announced a 600cc vertical twin, which never entered production.
On July 29, 1937, announced Triumph’s new vertical twin and the following week carried a more in-depth announcement of the new model. Today, it is almost impossible to realise what a change from the
