It's hoped the Bloodhound will eventually reach speeds of more than one thousand miles an hour. The project has involved companies, scientists and schools from across the westcountry. The University of the West of England is a partner in the project, which has attracted many volunteers.
Cornwall was the focus of an engineering breakthrough today as tests took place on one of the biggest rockets ever made in Britain.
The rocket will be used to power the Bloodhound car in the hope it'll break the world land speed record, travelling at more than 1,000 miles per hour. Despite today's success, there were some nervous moments before it was fired at Newquay Airport.
Bristol based Bloodhound project test their rocket in a hangar in Newquay.
Read more about the Bloodhound testing here.