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.
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Jeremy Corbyn's visit has been one of the big talking points of another busy day at Glastonbury.
The Labour leader said socialist politics would not be put "back in a box" as he appeared on stage at the festival.
Turning windier with a few showers