sentences:  Two Turner-designed scooters were introduced, about 1958 the high-performance Triumph Tigress (also sold as the BSA Sunbeam) and in 1963 the Tina (later called the T10), a Turner-designed 100 cc automatic transmission scooter for shopping.Turner retired as Chief Executive of the Automotive Division (which included motorcycles) in 1963, but retained his BSA Directorship.He was apparently by this time unhappy about the direction the company was taking.