Dynasphere (vehicle)

John Archibald Purves' Dynasphere on the beach, 1932. The driver is his son.[1]

The Dynasphere (sometimes misspelled Dynosphere[2]) is a monowheel vehicle design patented in 1930 by John Archibald Purves FRSE (7 August 1870 – 4 November 1952[3]) from Taunton, Somerset, UK.[4][5]

Purves' idea for the vehicle was inspired by a sketch made by Leonardo da Vinci.[6]

  1. ^ Cite error: The named reference PopSci1932 was invoked but never defined (see the help page).
  2. ^ "Rolling but not Rio". Tyrone Daily Herald. Tyrone, PA. 1932-03-08. p. 6.
  3. ^ "Former Royal Society of Edinburgh Fellows 1783 - 2002" (PDF). The Royal Society Of Edinburgh. p. 756. Archived from the original (PDF) on 2014-01-16. Retrieved 2012-03-21.
  4. ^ "In pictures: Dynasphere testing on Weston beach in 1932". BBC News. 2009-12-23. Retrieved 2010-09-05.
  5. ^ U.S. patent 2,009,904, filed 16 September 1931; issued 30 July 1935. Retrieved on 21 March 2012.
  6. ^ Doeden, Matt (2007). Crazy Cars. Minneapolis, MN: Lerner Publications. p. 35. ISBN 978-0-8225-6565-9.