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Cooper Mark X

The Cooper Mk.X, and its evolutions, the Mk.XI, the Mk.XII, and the Mk.XIII, are open-wheel Formula Three race cars, designed, developed, and built by British manufacturer Cooper in 1956 (with production continuing through 1959).[1] It was virtually identical in design to the previous Mk.IX. The internal designation, dubbed the T42,[2] was powered by a 500 cc (31 cu in) JA Prestwich Industries (JAP) single-cylinder engine, and featured a singular brake disk at the rear of the car, flatter springs to mitigate ground clearance, altered and adjusted center spring mountings, and reworked engine mounts.[3] The second version featured an elongated chassis and body, and a larger and more powerful 1,000 cc (61 cu in) OHV V-2 engine. Weight and chassis dimensions were essentially identical to the previous model.[4]

References

  1. ^ "Cooper". 500race.org.
  2. ^ "1956 Mk X (T42)". 500race.org.
  3. ^ "SOLD: Jim Russel's 1956 Cooper MkX 500cc F3 car". November 1, 2018.
  4. ^ "Cooper MKX". Frank Racing.

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