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Cooper Mark III

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1949 Cooper 500 Mk.III

The Cooper Mark III is a Formula Three open-wheel racing car designed and developed by the Cooper Car Company in Surbiton, Surrey, England, and built in 1949. It was the successor to the Mk.II, and was offered in two versions. The first option was the T7 (Type 7); which was powered by a powered by a 40 hp (30 kW) 500 cc (31 cu in) JA Prestwich Industries (JAP) 4B Speedway single-cylinder OHV motorcycle engine. The second option was the T9 (Type 9); which featured a longer chassis, with an elongated wheelbase, and used a larger and more powerful 70 hp (52 kW) 1,000 cc (61 cu in) JA Prestwich Industries (JAP) V-twin motorcycle engine. For the first time ever, a ZF limited slip differential was also offered as an optional extra for customers.[1][2][3][4][5][6][7]

References

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  1. ^ "Cooper 500 MkIII". The National Motor Museum Trust.
  2. ^ "Cooper". 500race.org.
  3. ^ "1949 Mk III (T7/T9)". 500race.org.
  4. ^ "Ferraris and Other Things: Cooper MkIII 500cc". October 11, 2015.
  5. ^ "Cooper Cars". June 23, 2010.
  6. ^ O'Neil, Terry (October 15, 2010). Northeast American Sports Car Races 1950-1959. Veloce Publishing Ltd. ISBN 9781845842543 – via Google Books.
  7. ^ "The rise and fall of the single-seater Cooper". www.goodwood.com.