Is the spine of an arrow the weight?

Is arrow spine the same as weight?

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 much does a 400 spine arrow weight?

The 400 shaft weighs 8.5 grains per inch.

Does arrow spine really 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 400 mean on an arrow?

The numbers refer to the spine of the arrow. The different spines refer to the stiffness, a 400 spine arrow is generally for bows 40-60 lbs. 350 spine is for bows roughly 55 – 75 lbs, and a 500 spine arrow is for bows roughly 30 – 50 lbs.

How do you stiffen an arrow spine?

The lighter tip weight (ping pong ball) allowed the antenna to maintain a stiff spine. Nock weight or rear weight – Adding weight to the rear of the arrow will increase or stiffen the arrow’s dynamic spine while removing weight from the rear of the arrow will decrease or weaken the arrow’s dynamic spine.

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What happens if my arrow is too long?

If you shoot an excessively long arrow, not only will the excess shaft weight result in a heavier and slower flying arrow, but the added length may necessitate changing to an even heavier/stiffer arrow spine.

What does 300 mean on an arrow?

100, 200, 300, and 400. So the larger the number, the heavier and stiffer the arrow.

How do I choose arrow weight?

If you want to target practice, you want the arrow to weigh in total (shaft, vanes, insert, nock and field point combined) around 5 to 6 grain per pound of draw weight. So if your bow has 60 lbs. of draw, you want to use arrows that weigh in total between 300 and 360 grain.