Toto Wolff says Mercedes has made the distinction between porpoising and bouncing, insisting the former has been eradicated while the latter remains embedded in its W13 due to its low ride-height and stiffness. When Formula 1's new generation cars were rolled out in pre-season testing after wholesale changes to the sport's technical regulations, porpoising – or the high frequency vertical movement of cars at high speed generated by its ground effects aerodynamics – was a widespread phenomenon. The complex problem was successfully tackled and mitigated by several teams, but Mercedes' struggles persisted. In Barcelona, Wolff claimed that the Brackley squad's engineers had finally ironed...
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