Rozteč os
Axle-to-axle length is the distance between the axles of a compound bow's two cams, or its cam and idler wheel, measured on the strung bow. It is the standard way to state a compound's length. Shorter bows are easier to handle in a tree stand or a ground blind; longer bows are usually steadier to aim.Detaily
Makers list axle-to-axle length in every compound specification, usually in inches, measured from the centre of one axle to the centre of the other. Many hunting bows are in the low-to-mid thirties of inches, while target bows are often longer, close to or past 40 inches. There is no single right length; it is a trade between handling and steadiness.
A longer bow is usually more forgiving: it holds steadier at full draw and the string makes a less acute angle at the anchor, which many archers find more comfortable, especially when shooting with fingers. A shorter bow is lighter to carry and easier to swing in a tight tree stand, a blind or thick cover.
Axle-to-axle length is also a setup check. A new string or cable can stretch, and twisting a string or cable to adjust cam timing changes its length, so the measured axle-to-axle can move away from the maker's specification. Measure it, along with brace height, when you set up or service a bow, and compare it with the specification.
It is not the same as the length of a recurve or longbow, which is measured along the limbs. When you compare compound bows, look at axle-to-axle length together with brace height and draw length, because all three affect how the bow shoots for you.
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Časté otázky
- What is a good axle-to-axle length?
- It depends on how you shoot. Many hunting bows sit in the low-to-mid thirties of inches because they are easier to handle in a tree stand or blind, while target bows are often longer for steadiness. Try bows of different lengths at your own draw length before you choose.
- Can axle-to-axle length change?
- Yes, a little. A new string or cable can stretch, and twisting a string or cable to adjust timing changes its length, so the measured axle-to-axle can move away from the maker's figure. Check it against the specification when you set up or service the bow.
- How do I measure axle-to-axle length?
- With the bow strung, measure from the centre of the top axle to the centre of the bottom axle, using a tape measure held straight. Compare the result with the specification printed in the bow's manual or on the maker's website.