Sayer's first aero contribution for a sports racing Jaguar was successful and the C-Type won Le Mans in 1951 and 1953. (Sayers 1952 long tail with lower frontal nose was not successful) The C Type overall design was the work of William Heynes with body structure, frame, suspension, mechanical, and engine design was the responsibility of William Heynes, R J (Bob) Knight T C Jones. The C-Type has been lauded for its beauty and is still considered one of the world's most desirable car models.