In 1981 a young Brazilian arrived in the UK, straight out of karting. He spoke barely any English and carried little money. Who would have thought that boy formerly known as Da Silva would grow into the motor racing legend that was Ayrton Senna? He won every British championship he contested before his blockbuster 1984 debut in Formula 1. While Senna is gone, his legacy – and the cars that helped him build it – still remain. We tracked down the very machines that young Da Silva used to build the foundations of his career and spoke to those that were there.