A Chapman strut is an automobilesuspension device. Being a strut, it is designed to act as both a shock absorber (with an integrated coil spring) and a wheel location device. That is, it is designed to resist lateral forces. Chapman struts are only used on rear wheels, while the very similar MacPherson strut is used in front.
The Chapman strut was named after Colin Chapman, the famed Lotus engineer, and was first used on the Lotus 12.
In the automotive world, the term strut is used as an automotive suspension and works as a shock absorber, but is used with a different type of front suspension that eliminates the need for an upper suspension arm.
The Chapmanstrut is designed to act as a shock absorber and a wheel location device at the same time and is made to resist lateral forces.
His strut is commonly used as a rear suspension which is very similar to the MacPherson strut.
Struts provide outwards-facing support in their lengthwise direction, which can be used to keep two other components separate, performing the opposite function of a tie.
An automotive suspension strut combines the primary function of a shock absorber (as a damper), with the ability to support sideways loads not along its axis of compression, somewhat similar to a sliding pillar suspension, thus eliminating the need for an upper suspension arm.
Struts were commonly used in early aircraft to support wings, stabilizators and landing gear.
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