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Archer Erika Jones shooting a compound bow at the 2013 Archery World Cup. The bow has the axle attaching the limb to cam mounted at the edge of the cam as opposed to the center. In modern archery, a compound bow is a bow that uses a levering system, usually of cables and pulleys, to bend the limbs. [1]
The binary cam is a design for the pulley system of a compound bow. Craig Yehle, director of research and development at Bowtech Archery, received a patent [1] for the design on December 11, 2007. Bowtech started equipping its bows with the new cam design in the 2005 model year. [2] [3]
Reconstruction of a Ming dynasty Kaiyuan horn, bamboo, and sinew composite bow by Chinese bowyer Gao Xiang A Korean master archer using a modern Korean composite bow. A composite bow is a traditional bow made from horn, wood, and sinew laminated together, a form of laminated bow.
This limb stiffness makes the compound bow more energy-efficient than other bows, in conjunction with the pulley/cams. The typical compound bow has its string applied to pulleys (cams), and one or both of the pulleys have one or more cables attached to the opposite limb. When the string is drawn back, the string causes the pulleys to turn.
The compound bow was invented by Holless Wilbur Allen in the 1960s (a US patent was filed in 1966 and granted in 1969) and it has become the most widely used type of bow for all forms of archery in North America. Mechanically drawn bows typically have a stock or other mounting, such as the crossbow. Crossbows typically have shorter draw lengths ...
But stronger limbs require the archer to do more work to pull the string back, and more effort to hold steady while aiming. Longer or shorter limbs can be used to change the length of the bow for convenience or to match the preference of the archer for smoothness in the draw cycle, and stability.
Allen was born July 12, 1909, in Stilwell, Kansas.In the 1960s, he sawed the ends off a conventional recurve bow and then added pulleys to each end. [1] Allen experimented with a number of designs to apply for a patent on June 23, 1966, [2] and U.S. patent 3,486,495 was granted to him in December 1969.
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 December 2024. Hunting by archery Bowhunter in Utah Bowhunting (or bow hunting) is the practice of hunting game animals by archery. Many indigenous peoples have employed the technique as their primary hunting method for thousands of years, and it has survived into contemporary use for sport and ...