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Rifles, Reloading, Optics, Equipment
Reloading
What is ogive?
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<blockquote data-quote="RockyMtnMT" data-source="post: 1698344" data-attributes="member: 7999"><p>I will speak only for our bullets. They are for the most part tangent ogive. We hold a .0002" tolerance in the dia. As you slide a ring down the ogive of the bullet and get closer to the shoulder the more parallel the ogive gets to the baring surface. A diff of .0002" from one bullet to the next will allow the measuring devise to move much father down the ogive toward the shoulder on the smaller of the two than the actual .0002" dia diff. The reason for these devises is to find a better place to measure than to this actual overall length die to the fact that swaged bullets become more imperfect closer to the meplat from the swaging process.</p><p></p><p>I think a better way to measure is to uniform the meplat on the swaged bullets and measure actual coal or just measure coal on the machines bullet.</p><p></p><p>Ogive measuring devices become a tale chasing effort.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1698344, member: 7999"] I will speak only for our bullets. They are for the most part tangent ogive. We hold a .0002" tolerance in the dia. As you slide a ring down the ogive of the bullet and get closer to the shoulder the more parallel the ogive gets to the baring surface. A diff of .0002" from one bullet to the next will allow the measuring devise to move much father down the ogive toward the shoulder on the smaller of the two than the actual .0002" dia diff. The reason for these devises is to find a better place to measure than to this actual overall length die to the fact that swaged bullets become more imperfect closer to the meplat from the swaging process. I think a better way to measure is to uniform the meplat on the swaged bullets and measure actual coal or just measure coal on the machines bullet. Ogive measuring devices become a tale chasing effort. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What is ogive?
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