Page "Compound bow" Paragraph 29
from
Wikipedia
AMO standard draw length is the distance from the string at full draw to the lowest point on the grip plus 1. 75 inches / 4. 45 cm.
Because the draw force may increase more or less rapidly, and again drop off more or less rapidly when approaching peak draw, bows of the same peak draw force can store different amounts of energy.
This is usually around one foot-pound-force per pound / 3 joules per kilogram but can reach 1. 4 ft ยท lbf / lbf / 4. 2 J / kgf.
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