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Unlike a shock absorber, a strut has a reinforced body and stem. Struts are subjected to multidirectional loads, while a shock absorber only damps vibration, only receiving a load along its axis. Struts and shock absorbers have a different way of attachment. Shock absorbers are mounted through rubber or urethane bushings to the frame and ...
For most purposes, the weight of suspension components is unimportant. But at high frequencies caused by road surface roughness, the parts isolated by rubber bushings act as a multi-stage filter to suppress noise and vibration better than can be done with only tires and springs. (The springs work mainly in the vertical direction.)
The strut will usually carry both the coil spring, on which the body is suspended, and the shock absorber, which is usually in the form of a cartridge mounted within the strut (see coilover). The strut can also have the steering arm built into the lower outer portion. The whole assembly is very simple and can be pre-assembled into a unit.
MacPherson's strut was cheap to manufacture and reliable in service, having few moving joints and using the new telescopic shock absorbers, rather than the previous lever arms. [6] MacPherson's strut also integrated an anti-roll bar , not only for control of body roll but also re-using it as an integral part of the suspension and so avoiding ...
In automobiles, a double wishbone suspension is an independent suspension design using two (occasionally parallel) wishbone-shaped arms to locate the wheel. Each wishbone or arm has two mounting points to the chassis and one joint at the knuckle. The shock absorber and coil spring mount to the wishbones to control vertical movement.
An active suspension is a type of automotive suspension that uses an onboard control system to control the vertical movement of the vehicle's wheels and axles relative to the chassis or vehicle frame, rather than the conventional passive suspension that relies solely on large springs to maintain static support and dampen the vertical wheel movements caused by the road surface.