What happens if an arrow is over spined?

An “over-spined” arrow can lose energy and velocity as it veers off-target. An under-spined one is less tense, or weaker, and may wobble and stray off-course. Knowing more about arrow spine will go a long way in correcting the problem.

What happens if your arrows are too lightly spined for your bow?

If your arrows are too lightly or heavily spined for your bow, the “archer’s paradox” movements will be extreme, resulting in poor arrow flight and loss of accuracy. … Arrow manufacturers publish selection charts that match bow weights to proper arrow spine. Your local archery shop will help you match your gear.

What happens if an arrow is too stiff?

Shooting an arrow that is not stiff enough, or a group of arrows that vary in stiffness, will cause you to be less accurate. An under-spined arrow will veer right, while an arrow that is too stiff will favor slightly left.”

What happens if you shoot an Underspined arrow?

A severly underspined arrow will be erratic, and possibly be dangerous to the shooter, breaking. Very overspine will not recover from or go through paradox. In general, week would do better at long distance, stiff would do better at close range only. Both are really dependend on the archer.

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Does arrow spine matter?

Having the proper arrow spine is key to optimizing the grouping of your arrows and for the best possible accuracy. Shooting an arrow that is not stiff enough, or a group of arrows that vary in stiffness, will cause you to be less accurate.

What does 340 mean on arrows?

As with combination arrows, a smaller number means the arrow has a stiffer spine. Therefore, a value of 340 indicates a stiffer and heavier spine while a value of 500 indicates the lightest and most flexible spine.

How do I know if my arrow spine is correct?

If the arrow’s spine is too weak or too stiff, the arrow will not correct itself as soon as it should while in flight. If that arrow is weak and continues to flex (has a low spine rating), it’s going to veer off target. Likewise, if the arrow is unforgivingly stiff, it also won’t follow the path the archer intends.

Can your arrows be too stiff?

Too stiff an arrow usually just slows the bow down with a heavier arrow. Too weak a spine arrow usually yeilds a faster lighter arrow. But the light spine cause the arrow to shoot way off the mark as the range increases.

What does 400 spine arrow mean?

It measures how much an arrow will bend or flex. This arrow spine is measured in numbers. The lower the numbers, the thicker the arrow while the higher the number, the easier the shaft to bend. For example, an arrow with spine number 400 is stiffer than a 600 spine arrow.

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Why is my arrow fishtailing?

Porpoising, the up and down thing, is usually a matter of nock position, rest height, or cam timing (or a combination). Fishtailing, the left and right thing, is usually a matter of centershot, or spine (or both).

What spine of arrow should I shoot?

Adding weight to the front of the arrow weakens its spine. That’s why Gold Tip recommends a 400 spine for a 27-inch arrow with a 100-grain point shot from a 60-pound bow, but also recommends a 340-spine arrow if its length and draw weight stay the same, but its point weighs 150 grains.

How heavy should my arrow be?

Overall Arrow Weights

I think a good average hunting arrow should fall in the 6 to 8 grains per pound of bow weight, with lighter bows maybe even closer to 9 to 10 grains per pound. A typical 60-lb. bow should be in the 360- to 480-grain range, a 70-lb. bow in the 420- to 560-grain range.

Is 70 lb draw too much?

For example, a bow with a 70-pound peak weight and a 80% let-off should have a holding weight of around 14-pounds. … Being able to hold a bow at full draw for 30 seconds is great, but if you’re shaking, struggling, and exhausted at the end of that time, then you’re not going to be able to make an ethical shot.

Are Heavier arrows more accurate?

Heavy arrows simply absorb more of a bow’s available energy, resulting in fewer vibrations and quieter hunting bows. … All factors remaining equal, heavy arrows always are more reliable, more durable, than lighter.

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