STIFF PROPOSITION
WHEN a new model of a car is produced, you’ll sometimes hear that “the new chassis is x per cent stiffer”. But I’m guessing that most people’s response to that is simply: “So what?”. While everyone knows the advantage of more power, almost no one will be able to tell you the benefit of a chassis with a high degree of torsional rigidity. But increasing your chassis’ stiffness should be cause for celebration, as it will improve ride comfort by allowing the suspension to work more efficiently.
Torsion is the twisting of an object (usually a shaft) due to an applied torque. When you apply a torque to
