Pre-Spain analysis - chassis switch to boost Vettel?
In the old days of aluminium chassis it was common to see drivers asking for a new monocoque because a race-worn one had twisted or stretched its rivets and begun to lose its vital torsional rigidity. In the age of the super-stiff carbon fibre tubs that has become less familiar, though last year Lewis Hamilton received a new one for the US Grand Prix in Austin after it was discovered that his Mercedes’ chassis in India had sustained damage
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