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Howard Head. Howard Head (July 31, 1914 in Philadelphia, Pennsylvania – March 3, 1991) was an American aeronautical engineer who is credited with the invention of the first commercially successful aluminum laminate skis [1] and the oversized tennis racket. Head founded the ski (and later tennis racquet)-making firm, Head, in 1950.
Head Sport GmbH is an American-Austrian manufacturing company headquartered in Kennelbach.It owns the American tennis racket brand Head. Head GmbH is a group that includes several previously independent companies, including the original "Head Ski Company" (founded in the United States in 1950); Tyrolia, an Austrian ski-equipment manufacturer; and Mares, an Italian manufacturer of diving equipment.
Head joined the Prince company in the early 1970s and developed the company's signature oversized tennis racket. [1] Although the Prince Classic aluminum racket was the first oversized racquet to be patented, the Bentley Fortissimo preceded the patent by two years, causing Germany to invalidate the patent.
A racket or racquet[ 1] is an item of sporting equipment used to strike a ball or shuttlecock back-and-forth in games such as tennis, badminton, squash, racquetball and padel. The typical basic structure of a racket consists of a widened distal end known as the head (which presents a flattened firm surface designed to strike the ball or ...
Strings (tennis) In tennis, the strings are the part of a tennis racquet which make contact with the ball. The strings form a woven network inside the head (or "hoop") of the racquet. Strings have been made with a variety of materials and possess varying properties that have been measured, such as dynamic stiffness, tension retention, thickness ...
The tennis racket theorem or intermediate axis theorem, is a kinetic phenomenon of classical mechanics which describes the movement of a rigid body with three distinct principal moments of inertia. It has also dubbed the Dzhanibekov effect , after Soviet cosmonaut Vladimir Dzhanibekov , who noticed one of the theorem's logical consequences ...
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