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This bow can be bought at 10–40 lb (4.5–18.1 kg) or 20–50 lb (9.1–22.7 kg) draw weight. The bow itself weighs 2.8 lb (1.3 kg). This bow can be used for hunting or target archery. [1] The max draw weight for this bow increases as the draw length gets longer e.g.: On the 20–50 lb (9.1–22.7 kg) model the maximum draw weight (50 lb (23 ...
This value is commonly between 65% and 80% of the peak weight for recently designed compound bows, although some older compound bows provided a let-off of only 50% and some recent designs achieve let-offs in excess of 90%. [4] As the string is drawn the cam turns and imparts force to compress the limb.
A composite bow is a traditional bow made from horn, wood, and sinew laminated together, a form of laminated bow. The horn is on the belly, facing the archer, and sinew on the outer side of a wooden core. When the bow is drawn, the sinew (stretched on the outside) and horn (compressed on the inside) store more energy than wood for the same ...
Estimates for the draw of these bows varies considerably. Before the recovery of the Mary Rose, Count M. Mildmay Stayner, Recorder of the British Long Bow Society, estimated the bows of the Medieval period drew 90–110 pounds-force (400–490 newtons), maximum, and W. F. Paterson, Chairman of the Society of Archer-Antiquaries, believed the weapon had a supreme draw weight of only 80–90 lb f ...
For example, a 27 kg (60 lb) bow with 80% let-off only requires 53 N (12 lb f) to hold at full draw. Up to 99% let-off is possible. [54] 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.
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.