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The axis of the strut may be angled inwards from the steering axis at the bottom, to clear the tyre, which makes the bottom follow an arc when steering. The MacPherson strut benefited from introduction of unibody construction, because its design requires substantial vertical space and a strong top mount, which unibody construction can provide.
The MacPherson strut is a common form of strut suspension. This was not the first attempt at strut suspension, but in MacPherson's original patent, the anti-roll bar forms an integral and essential part of the suspension, in addition to its usual function in controlling body roll. A strut suspension like MacPherson's requires a hinged lower ...
MacPherson strut/Chapman strut; Upper and lower A-arm (double wishbone) Multi-link suspension; Semi-trailing arm suspension; Swinging arm Transverse leaf springs when used as a suspension link, or four-quarter elliptics on one end of a car are similar to wishbones in geometry, but are more compliant.
Earle Steele MacPherson (July 6, 1891 – January 26, 1960) was an American automotive engineer, most famous for developing the MacPherson strut in the 1940s. Biography [ edit ]
The two arms, the spindle, and the body, form a four-bar link.Use of the linkage at the lower suspension connection of either a MacPherson strut or a short long arms suspension readily gives an effective virtual ball joint outboard of the spindle, which is very useful for a suspension designer, allowing negative scrub radius whilst allowing the ball joints to move in and thus out of the way of ...
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 ...
Double wishbone suspensions are more complex, impose more difficult packaging constraints, and are thus often more expensive than other systems like a MacPherson strut. Due to the increased number of components within the suspension setup, it takes much longer to service and is heavier than an equivalent MacPherson design.
Final spacewalk to install the mounting brackets for the 1A solar array in preparation for the delivery of IROSA on SpaceX CRS-28. Tasks included installing the final strut, securing the bolts on the 1A solar array, relocating foot restraints that were left on P6 inboard, and routing cables. NASA astronaut Zena Cardman was Ground IV. [102] [103 ...