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]

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United Kingdom Cooper Car Company
Founders
Charles Cooper
John Cooper
Designers
Owen Maddock
Jack Brabham
Eddie Stait
Derrick White
World Champions
Australia Jack Brabham
Drivers' titles
1959
1960
Constructors' titles
1959
1960
Cars:
Formula One/Two
1000/1100
Cooper-Bristol
T23
T24
T41
T43
T44
T45
T51
T53
T55
T58
T60
T66
T71
T73
T75
T77
T80
T81
T82
T84
T86
T91
Tasman
T55
T62
T70
T79
Formula Three/Junior
500
Mk.II
Mk.III
Mk.IV
Mk.V
Mk.VIII
Mk.IX
Mk.X
T52
T56
T59
T63
T65/T67
T72
T76
T83
T85
Other
T54 (IndyCar)
T87 (hillclimb)
T88 (Formula C)
T90 (Formula 5000)
Sportscars
Mk.I
Cooper-MG
Cooper-Jaguar
Bobtail
Mini
T20
T25
T33
T38
T39
T49
T57
T61

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.