What are the main limitations of conventional double-wishbone suspension systems?
In essence, a tyre that is held in optimum contact with the road will have its tread used in uniform shear and so withstand the greatest possible loading and provide the highest possible grip. Optimum contact is obviously therefore a vital requirement at all times when maximum grip is likely to be needed (during acceleration/braking and/or cornering). But it is precisely during these modes of operation that the footprint of a conventional double-wishbone suspension system becomes compromised. The almost universally adopted unequal-length double-wishbone design can achieve quite effective camber correction when in roll (cornering) by means of its shorter upper wishbones and the tighter arcs that they describe. However, this direct link between camber change and suspension movement obviously can’t be miraculously broken when the vehicle starts to travel in a straight line. As a result, unwanted camber changes occur as the suspension compresses under acceleration or braking that inevitabl
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