English Longbow - Description - Draw Weights

Draw Weights

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 Mr. W.F. Paterson, Chairman of the Society of Archer-Antiquaries, believed the weapon had a supreme draw weight of only 80–90 lbf (360–400 N) . Other sources suggest significantly higher draw weights. The original draw forces of examples from the Mary Rose are estimated by Hardy at 150–160 lbf (670–710 N) at a 30-inch (76.2 cm) draw length; the full range of draw weights was between 100–185 lbf (440–820 N). The 30-inch (76.2 cm) draw length was used because that is the length allowed by the arrows commonly found on the Mary Rose.

A modern longbow's draw is typically 60 lbf (270 N) or less, and by modern convention measured at 28 inches (71.1 cm). Historically, hunting bows usually had draw weights of 50–60 lbf (220–270 N), which is enough for all but the very largest game and which most reasonably fit adults can manage with practice. Today, there are few modern longbowmen capable of using 180–185 lbf (800–820 N) bows accurately.

A record of how boys and men trained to use the bows with high draw weights survives from the reign of Henry VII.

taught me how to draw, how to lay my body in my bow ... not to draw with strength of arms as divers other nations do ... I had my bows bought me according to my age and strength, as I increased in them, so my bows were made bigger and bigger. For men shall never shoot well unless they be brought up to it. —Hugh Latimer.

What Latimer meant when he describes laying his body into the bow was described thus:

the Englishman did not keep his left hand steady, and draw his bow with his right; but keeping his right at rest upon the nerve, he pressed the whole weight of his body into the horns of his bow. Hence probably arose the phrase "bending the bow," and the French of "drawing" one. —W. Gilpin.

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