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Which handling problem does a rear engine layout tend to produce?

  • A.Snap oversteer at the limit
  • B.Persistent understeer, since the light front end is unable to generate sufficient cornering force at speed
  • C.Poor traction
  • D.Excessive body roll, which results from the high centre of gravity produced by mounting the engine so far back

Answer: A

The large polar moment of inertia and the rearward weight bias mean that once the rear tyres break away the car rotates rapidly and is difficult to catch. Traction under acceleration is excellent, which is the layout's principal virtue. Modern electronic stability control and careful suspension geometry have largely tamed the behaviour. The shared properties explain why these belong to one family, and the differences explain why more than one exists.

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