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The whole spring descends end over end in a periodical motion as if it were "walking" down one step at a time. [ 16 ] When the top end of the Slinky is dropped, the information of the tension change must propagate to the bottom end before both sides begin to fall; the top of an extended Slinky will drop while the bottom initially remains in its ...
Originally called a laminated or carriage spring, and sometimes referred to as a semi-elliptical spring, elliptical spring, or cart spring, it is one of the oldest forms of vehicle suspension. A leaf spring is one or more narrow, arc-shaped, thin plates that are attached to the axle and chassis in a way that allows the leaf spring to flex ...
The Slinky was invented in 1943 by American engineer Richard T. James while working in his home laboratory to invent a set of springs that could be used to support sensitive instruments on board ships and stabilize them even in rough seas. When he once accidentally knocked one of his springs off a shelf, James saw that, rather than flopping in ...
Leaf springs have been around since the early Egyptians. Ancient military engineers used leaf springs in the form of bows to power their siege engines, with little success at first. The use of leaf springs in catapults was later refined and made to work years later. Springs were not only made of metal; a sturdy tree branch could be used as a ...
A spring stilt utilizing compression springs on each foot was patented in 1881 [2] by George H. Herrington of Wichita, Kansas, "for leaping great distances and heights". This was an antecedent of the pogo stick as well as today's spring stilts. The modern eponymously named pogo stick was invented by Max Pohlig and Ernst Gottschall, from
Up until the 1989 model year (964), Porsche 911 used a similar strut design that did not have coil springs, using torsion bar suspension instead. Since then, all Porsche 911s have had front MacPherson struts, except the 992-based 911 GT3, which uses a double wishbone.
Elliott mounted each wheel with two durable elliptic steel leaf springs on each side and the body of the carriage was fixed directly to the springs attached to the axles. After the expiry of his patent most British horse carriages were equipped with elliptic springs; wooden springs in the case of light one-horse vehicles to avoid taxation, and ...
A Corvette leaf spring is a type of independent suspension that utilizes a fiber-reinforced plastic (FRP) mono-leaf spring instead of more conventional coil springs. It is named after the Chevrolet Corvette , [ 1 ] the American sports car for which it was originally developed and first utilized.