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A strut bar, strut brace, or strut tower brace (STB) is an automotive suspension accessory on a monocoque or unibody chassis to provide extra stiffness between the strut towers. With a MacPherson strut suspension system where the spring and shock absorber combine in one suspension unit, which also replaces the upper control arm, the entire ...
Honda introduced another variation strut set-up, called "dual-axis", which is used in the suspension design of the Civic Type-R. Another variant of the MacPherson strut is the double pivot front suspension, which splits the lower wishbone into two while retaining the standard upright design of the MacPherson strut.
Sparco S.p.A. is an Italian auto part and accessory company headquartered in Volpiano near Turin [1] that specializes in producing items such as seats, steering wheels, harnesses, racewear and helmets. Sparco branded alloy wheels are produced under licence by OZ Group. They also sponsor many types of auto races including rallies and single-seaters.
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.
One end of a long metal bar is attached firmly to the vehicle chassis; the opposite end terminates in a lever, the torsion key, mounted perpendicular to the bar, that is attached to a suspension arm, a spindle, or the axle. Vertical motion of the wheel causes the bar to twist around its axis and is resisted by the bar's torsion resistance. The ...
Multi-link suspension allows the auto designer the ability to incorporate both good ride and good handling in the same vehicle.. In its simplest form, the multi-link suspension is orthogonal—i.e., it is possible to alter one parameter in the suspension at a time without affecting anything else.
The lower tie bar is a bolt-on device and no stock parts will have to be replaced or removed when it is being installed on the vehicle (unless the vehicle already has one on it). These characteristics make the lower tie bar a popular performance upgrade among car tuning enthusiasts for its appearance and slight performance gain.
There were two differences from these precursors to the Chapman strut. As the Lotus Twelve had inboard disk brakes, there was no need to pass the braking torque through the radius rods. Chapman also avoided the swing axle and its camber changes with suspension travel, in favour of a drive shaft with two universal joints. [12]