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The most famous American passenger car application of the torsion bar, was the Chrysler system used beginning with all Chrysler products starting with the 1957 model year in cars such as the Imperial Crown series, Chrysler Windsor, DeSoto Firedome, Dodge Coronet and Plymouth Belevedere although Chrysler's "Torsion-Air" suspension was only for ...
An anti-roll bar (roll bar, anti-sway bar, sway bar, stabilizer bar) is an automobile suspension part that helps reduce the body roll of a vehicle during fast cornering or over road irregularities. It links opposite front or rear wheels to a torsion spring using short lever arms for anchors.
In 1920, Leyland Motors used torsion bars in a suspension system. In 1922, independent front suspension was pioneered on Lancia Lambda, and became more common in mass market cars from 1932. [8] Today, most cars have independent suspension on all four wheels. The part on which pre-1950 springs were supported is called a dumb iron.
A radius rod (also called a radius arm, torque arm, torque spring, and torsion bar) is a suspension link intended to control wheel motion in the longitudinal (fore-aft) direction. The link is connected (with a rubber or solid bushing ) on one end to the wheel carrier or axle , on the other to the chassis or unibody of the vehicle.
A Panhard rod (also called Panhard bar, track bar, or track rod) is a suspension link that provides lateral location of the axle. [1] Originally invented by the Panhard automobile company of France in the early twentieth century, this device has been widely used ever since.
Torsion-bar suspensions are used in many modern cars and trucks, as well as military vehicles. The sway bar used in many vehicle suspension systems also uses the torsion spring principle. The torsion pendulum used in torsion pendulum clocks is a wheel-shaped weight suspended from its center by a wire torsion spring.
Watt's linkage consists of three bars bolted together in a chain. The chain of bars consists of two end bars and a middle bar. The middle bar is bolted at each of its ends to one of the ends of each outer bar. The two outer bars are of equal length, and are longer than the middle bar. The three bars can pivot around the two bolts.
For context, this is comparable to a luxury/performance passenger car of the era, faster than a typical car, and faster even than a modern main battle tank that tops out at approximately 43 mph (70 km/h). The four sprung road wheels could move 11 inches on top of the "compression due to the weight of the vehicle".