 Du Cane was awarded the Segrave Medal by the Royal Automobile Club that year for his efforts.He also designed a high-speed torpedo boat, the "MTB 102", 350 of which were procured by the Admiralty, and which were used extensively during the D-Day landings.Du Cane was the naval architect and exterior designer of "Brave Challenger", a super-yacht with a top speed of , and powerboats "Tramontana" and "Tramontana II", the former winning in the inaugural Cowes–Torquay race in 1961.