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This is How Much Arrows REALLY Cost What Gives an Arrow Spine? Top 4 Best Hunting Arrows Used by the Pros If you like this article, you might also like these: 13 Bowhunting Tips from the Pros To Stay Sharp in the Field And an arrow with a stiff spine won’t allow for much flex. An arrow with a weak spine will flex easier than an arrow with a stiff spine. How much it flexes and how much it straightens out – well, that is the product of its spine rating.

As it catches the air and flies, it straightens out. When an arrow is shot, it necessarily flexes as it leaves the bow. Put simply, it is the opposite of “flex.”Īn arrow that is flexible is less stiff. Now that we know that spine is a measurement of an arrow’s stiffness., let’s talk about what “stiffness” actually means to an arrow.

Other Variables to Take into Consideration.

Using Arrow Spine Measurement to Buy an Arrow.

How do Manufacturer’s Assess a Spine Rating?.

Knowing more about arrow spine will go a long way in correcting the problem. An under-spined one is less tense, or weaker, and may wobble and stray off-course. This process is called “arrow tuning”.Īn “over-spined” arrow can lose energy and velocity as it veers off-target. Based on the results, you can take steps to correct the flight of your arrow. Watching the flight of your arrow, you’ll be able to see if the arrow is veering to the right (too weak) to the left (too stiff). The best way to tell if an arrow is too stiff or too weak is to videotape the flight of the arrow. So how can you tell if your arrow spine is too weak or too stiff?

If the flight of your arrow is consistently wobbly, or veering to one side or the other, an incorrect arrow spine may be at play.

This stiffness, called the arrow spine, is crucial in the flight of your arrow and the accuracy of your shot. If you notice your arrows are all over the place, and you’ve already checked your form, your technique and your equipment, then arrow stiffness (or lack thereof) may be the problem. It is appreciated.Ĭhoosing the right arrow to achieve the best accuracy can be challenging sometimes. If you make a purchase through a link, we could earn a commission - at no additional cost to you.