The phrase
"spring strut" refers to a component in a vehicle's suspension system. It helps to absorb shocks and bumps and keeps the vehicle stable while driving over uneven surfaces, like springs and helps to support the weight of the vehicle.
Full definition
Boasting a double - pivot front suspension
with spring struts made almost entirely of aluminum in combination with a five - link rear suspension, the BMW 3 Series Coupes have the most advanced and sophisticated suspension in its class.
Apart from the engine compartment lid and the front
spring struts on the body, the doors on the BMW 5 Series Gran Turismo are also made of aluminium.
Mounted to this incredibly stable structure, the Range Rover Evoque's fully independent suspension system features
coil sprung struts front and rear together with isolated front and rear subframes.
The optional Airmatic suspension replaces the front coil springs and the rear air springs with
pneumatic spring struts and active - shock damping from the active damping system (ADS).
On the front axle,
spring struts made of aluminum and steel and two - pipe compression dampers with coated pistons and a degressive damper characteristic curve are used.
The complete redesign of the chassis for future MINI models continues to focus on the tried - and - tested structure of the single -
link spring strut axle at the front, and the multi-link rear axle - unique among MINI's competitors.
The advantage of this solution, which is exclusive to AMG, is that the front
steel spring struts ensure more sensitive responses while the rear air struts, with their automatic level control system, keep the vehicle at a constant height irrespective of the load.
It also boasts a spicier PSM stability control setting; the tie rods, transverse arms, and
spring strut lowers are attached to the body via zero - tolerance ball joints; a pair of so - called rear helper springs keep the main springs under tension even when the vehicle is momentarily airborne, which was thankfully not the case when I drove it.
The construction of the MINI Paceman's chassis — consisting of a
MacPherson spring strut front axle and forged cross members in tandem with a multi-link rear axle — underpins its hallmark MINI agility.
Both the FGR 300 upside - down fork and the TTX 36
GP spring strut are supplied by the Swedish manufacturer Öhlins, with identical parts being used both in the Superbike World Championship and in MotoGP.
This latest stage in active body development modifies the wheel load distribution via the
ABC spring struts within milliseconds (depending on crosswind direction and intensity) to help compensate for crosswind forces.
The front axle is a three - link suspension design with aluminium torque struts and McPherson
spring struts offering outstanding precise wheel location and a high level of ride comfort.
The adjustable coil - over suspension has several special features: Both push -
rod spring struts have been installed across the direction of travel.
The Airmatic DC semiactive suspension is also modified for high - performance duty with lower air -
volume spring struts, revised shock settings, a 10 - mm - lower ride height and stiffer anti-roll bars.
• Supension geometry modified with new values for the steering head angle, offset, position of the swing arm pivot, fork projection, and
spring strut length.
Rear — Multi-arm axle with axle supports fixed in position;
spring struts adjustable for height; modified wheel bearings; dual coil springs with race set - up; ZF Sachs gas - pressure fixed - position dampers; two - piece lower control arms for camber adjustment; forged supporting Unibal mounts; longitudinal control bar; double blade type adjustable anti-roll bar (seven settings); tie - bar reinforced and infinitely adjustable.
In terms of suspension, it has a single joint
spring strut affixed on its front axle and a multiple control arm is assembled on the rear one.
As a reminder, the 4 Series uses aluminum double -
joint spring struts in front, and a five - link set - up in the rear.
The 200 PS Polo, which like all GTI cars features front - wheel drive, has
coil spring struts and lower wishbones with a track - stabilising scrub radius.
Front - wheel drive, powerful disc brakes on all four wheels, the front axle with
McPherson spring struts and a centrally guided rear axle with aluminium longitudinal arms and anti-roll bars set the foundation for uniquely safe and agile handling.
In its latest incarnation, the front single -
link spring strut axle features increased component rigidity.
While
steel spring struts are used on the front axle, the rear suspension features AMG - specific air springs.
Each wheel boasts double wishbone suspension, with one
spring strut on each side of the front axle and two each at the rear.
Double - pivot type front suspension
with spring struts and an anti-roll bar, while the rear is sprung with a 5 - link setup with cast aluminum upper transverse arms.
The third generation of the BMW X3 still utilizes a double - joint
spring strut axle at the front and a five - link rear axle.
It started off with a double - joint
spring strut front suspension, featuring a lightweight aluminum control arms, wheel carriers and axle subframes — this setup is 11 pounds lighter than the same setup in steel.
A new four - link front axle decoupled from
the spring struts gives the C300 Coupe good lateral grip and stability, while a five - link independent rear keeps the car planted in a straight line.
Thanks to a carefully considered mix of materials - the roof, bonnet, front side panels, front
spring struts and doors are all made of aluminium, while different grades of steel are used throughout.
Starting with the fully independent suspension — featuring long - travel coil -
sprung struts front and rear — revised rear suspension geometry was adopted to raise the rear roll centre.
Based on the new MRA platform used also for the saloon, the Coupe features the new 4 - link front axle from the saloon in which the wheel suspension is decoupled from
the spring strut and the 5 - link multilink independent rear suspension.
Front axle in McPherson design optimised by Porsche, springstrut axle with wheels mounted independently on track control arms, longitudinal arms and
spring struts, cylindrical springs with inner - mounted dampers, fully controlled single - sleeve gaspressure damper units (PASM).
Up front lies a single - jointed
spring strut axle while a multi-link setup is at home out back.
The spring struts are not required to perform wheel position functions, so only have to handle minimal transverse forces.
The sport - tuned suspension features a single - joint
spring strut axle at the front and a multilink rear axle.
Complementing the upgrades are items such as Adaptive M suspension, DSC (Dynamic Stability Control) system (with M Dynamic Mode), Active M Differential and fade - resistant M compound brakes (four - piston callipers at the front and two - piston callipers at the rear), a lightweight double - joint
spring strut axle at the front and a five - link axle at the rear.
Thanks to the 4 - link principle, the front independent suspension is fully decoupled from
the spring strut.
Up front lies a single - jointed
spring strut axle while a mulit - link setup is at home out back.
The newly developed chassis, comprising a single - joint
spring strut axle at the front and a multi-link rear axle, combines agility and directional precision with excellent handling stability and suspension comfort.
As the ABC controller receives and processes data, it operates four hydraulic servos, each mounted in series on
a spring strut, beside each wheel.
[4][5] The ABC has undergone major modifications for the new S - Class: the wheel damping is now continuously adjustable,
the spring strut response has been improved and the pump efficiency has been further enhanced.
Thanks to three chambers of different size in
the spring struts of the rear axle and two in the spring struts of the front axle, the driver can control the hardness of the suspension in three stages.
The standard - fit anti-roll bar is attached to
the spring struts by means of a linkage.