Suspension (vehicle) Guide, Meaning , Facts, Information and Description

Suspension is the term given to the system of shock absorbers and other supports which connect a vehicle to its wheels. Suspension systems serve a dual purpose - keeping a car's wheels on the ground where they can provide traction, and keeping vehicle occupants comfortable and reasonably well isolated from road noise, bumps, and vibrations. These goals are generally at odds, so the tuning of modern suspensions is often finding the right compromise.

Suspension systems can be broadly classified into two subgroups - dependent and independent.

Dependent systems are mostly variants of the simple beam or 'cart' axle and include:

• Live axle
• deDion axle

Dependent systems may be differentiated by the system of linkages used to locate them, both longitudinally and transversely. Often both functions are combined in a set of linkages.

Examples of location linkages include:

• Hotchkiss or Cart springs
• trailing arms
• Satchell link
• Panhard rod
• Watts linkage
• Inboard
• WOBLink
• Mumford linkage

The variety of independent systems is greater and includes:

• MacPherson strut
• wishbone
• double wishbone
• multi-link
• torsion beam
• semi-trailing arm
• axle

New suspension technologies in development include a system from Bose which uses computer-controlled motors to automatically adjust the suspension to changing road surfaces, keeping a vehicle level and in contact with the road even at high speed over bumpy roads, or in hard cornering.

External links

• Bose Suspension System

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