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  2. Binary cam - Wikipedia

    en.wikipedia.org/wiki/Binary_cam

    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]

  3. Compound bow - Wikipedia

    en.wikipedia.org/wiki/Compound_bow

    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]

  4. Glossary of archery terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_archery_terms

    let-off (measure) – The difference between a compound bow's holding weight and draw weight. Expressed as a percentage of the draw weight; for example, a bow with a draw weight of 70 lb and holding weight of 14 lb would have 80% let-off. limb-driven rest (equipment) – A drop-away rest that is mechanically linked to one of a compound bow's limbs.

  5. Archery - Wikipedia

    en.wikipedia.org/wiki/Archery

    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 ...

  6. Bow and arrow - Wikipedia

    en.wikipedia.org/wiki/Bow_and_arrow

    Drawing a bow, from a 1908 archery manual. A bow consists of a semi-rigid but elastic arc with a high-tensile bowstring joining the ends of the two limbs of the bow.An arrow is a projectile with a pointed tip and a long shaft with stabilizer fins towards the back, with a narrow notch at the very end to contact the bowstring.

  7. Bow shape - Wikipedia

    en.wikipedia.org/wiki/Bow_shape

    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.

  8. Holless Wilbur Allen - Wikipedia

    en.wikipedia.org/wiki/Holless_Wilbur_Allen

    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.

  9. Kyūdō - Wikipedia

    en.wikipedia.org/wiki/Kyūdō

    Beginners start with a rubber practice bow and by practising the movements of hassetsu (八節). The second step for a beginner is to do karabiki (空引) training with a bow without an arrow to learn handling of the bow and performing hassetsu until full draw. Handling and maintenance of the equipment is also part of the training.