@blacksoul5262: Dynasphere 1932. The Craziest Car Ever Built? #4k #retrocars #historyfacts #1930s #fyp The Dynasphere was a futuristic one-wheel vehicle developed by British inventor John Archibald Purves in 1932. Although it could reach speeds of nearly 48 km/h (30 mph), steering and braking problems prevented it from becoming a practical means of transportation

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Saturday 20 June 2026 13:00:52 GMT