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Rifles, Reloading, Optics, Equipment
Reloading
Velocity increase
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<blockquote data-quote="rammac" data-source="post: 1960529" data-attributes="member: 27761"><p>The explanation is that a bullet is pushed down the bore by expanding hot gasses from the burned powder. </p><p>The powder has X amount of energy available.</p><p>The energy is converted to heat and pressure.</p><p>Some of the heat energy is absorbed by the barrel and the rest is used to push the bullet.</p><p>As the barrel heats up it absorbs less of the heat energy and more heat energy is left to push the bullet.</p><p>More heat energy pushing on the bullet results in faster bullet speed.</p><p></p><p>As the barrel heats up a balance is reached where less heat energy will transfer to the barrel because the total energy available (based on your rate of fire, ambient air conditions, and barrel characteristics) doesn't produce enough energy to increase the barrel's temperature any further. When that balance point is reached the bullet's velocity will level out.</p></blockquote><p></p>
[QUOTE="rammac, post: 1960529, member: 27761"] The explanation is that a bullet is pushed down the bore by expanding hot gasses from the burned powder. The powder has X amount of energy available. The energy is converted to heat and pressure. Some of the heat energy is absorbed by the barrel and the rest is used to push the bullet. As the barrel heats up it absorbs less of the heat energy and more heat energy is left to push the bullet. More heat energy pushing on the bullet results in faster bullet speed. As the barrel heats up a balance is reached where less heat energy will transfer to the barrel because the total energy available (based on your rate of fire, ambient air conditions, and barrel characteristics) doesn't produce enough energy to increase the barrel's temperature any further. When that balance point is reached the bullet's velocity will level out. [/QUOTE]
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Reloading
Velocity increase
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