In 1945 he was promoted to major as a workshop control officer in an engine repair shop at Volkswagen in Wolfsburg.

In the 1929 IOM Senior TT Tyrell-Smith began in the lead, and by the fourth lap was more than three minutes ahead.

Then he crashed at Glen Helen, allowing a number of bikes to pass before he could rejoin, and this put Tim Hunt, on a Norton, in front.

[2] The Rudge team of those years consisted of competition manager Graham Walker, with Ernie Nott, and H.G.

The bike Tyrell-Smith rode in the 1936 Lightweight was a four-valve OHC radial head Excelsior with two carburettors.

In the late 1930s he worked for Excelsior motorcycle company and when the war broke out, joined the British Army and served in the D-Day landings with the Royal Electrical and Mechanical Engineers (REME).

[4] After the war, a career followed with Girling Ltd as sales engineer supplying suspension units to the British Motorcycle industry[5] In the 1960s he was regularly seen at the Isle of Man TT races accompanying the Girling racing department in his capacity as representative to the motorcycle industry but also helping to provide the support to the sport that he loved.