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What is an arrow?
The arrow is a shaft sharpened at the front and with feathers or vanes at the back, shot from the bow that are distinguished by length and weight. The bow gives the arrow momentum allowing the arrow to have potential energy when released that turns into kinetic energy. In this case, the kinetic energy gives the arrow its velocity towards the target. |
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Arrow Spines
The spine of the arrow is important because it helps determine the direction of the arrow. The balance is involved with the spine as well, so when you have a heavier arrow it will do better with longer distances because it stays balanced longer. But a lighter arrow is less affected by the air since it flies faster towards the target.
The spine of an arrow can take on three different meetings:
The spine of the arrow is important because it helps determine the direction of the arrow. The balance is involved with the spine as well, so when you have a heavier arrow it will do better with longer distances because it stays balanced longer. But a lighter arrow is less affected by the air since it flies faster towards the target.
The spine of an arrow can take on three different meetings:
- SPINE- the direction of the arrow.
- STATIC SPINE- the stiffness of the arrow and its resistance to bending. It is found by applying a force to the center of the distance, usually through a weight. The amount of displacement of the center point, how far it drops, determines the spine. Arrows with a high spine will not sag as much as arrows with a low spine.
- DYNAMIC SPINE- how much the arrow bends when fired. This is dependent upon the static spine, string force, fletching, nock weights, etc.) To describe dynamic spine, "weak" and "stiffness" are used.