Cars / motorcycles could have one wheel
By Hicbd
Thu Oct 20 2022 8:50 am
"The Dynasphere was a monowheel vehicle design patented in 1930 by John Archibald Purves FRSE from Taunton, Somerset, UK. Purves' idea for the vehicle was inspired by a sketch made by Leonardo da Vinci. Two prototypes were initially built: a smaller electrical model, and one with a gasoline motor that attained either 2.5or 6 horse power depending on the source consulted, using a two-cylinder air-cooled Douglas engine with a three speed gear box, also providing reverse."
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