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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.257 wildcat build
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<blockquote data-quote="elkaholic" data-source="post: 1161255" data-attributes="member: 13833"><p>That is true. All else equal, when just the shoulder angle is changed, capacity increases. In the case of the SS, shoulder was pushed back, body taper was removed, and shoulder was sharpened. The net result was very close to original capacity with greater efficiency, less case stretching and a longer neck. I was not trying to say that the sharper shoulder gave the SS more capacity than the saum, but it gives some back after pushing the shoulder back and the body taper recovers the rest. Add to that the fact that the bullet does not have to be shoved into the case, and you have MORE useable capacity.</p><p>In the case of an A.I. design where the neck/shoulder jct. dimension stays the same, increasing shoulder angle increases capacity because the shoulder is blown forward at the body/shoulder jct., leaving the shoulder/neck jct. where it was. I was basing my quote on blowing it forward to get the 40 degree and you were basing yours on pushing it back.</p><p>Thanks for pointing that out......Rich</p></blockquote><p></p>
[QUOTE="elkaholic, post: 1161255, member: 13833"] That is true. All else equal, when just the shoulder angle is changed, capacity increases. In the case of the SS, shoulder was pushed back, body taper was removed, and shoulder was sharpened. The net result was very close to original capacity with greater efficiency, less case stretching and a longer neck. I was not trying to say that the sharper shoulder gave the SS more capacity than the saum, but it gives some back after pushing the shoulder back and the body taper recovers the rest. Add to that the fact that the bullet does not have to be shoved into the case, and you have MORE useable capacity. In the case of an A.I. design where the neck/shoulder jct. dimension stays the same, increasing shoulder angle increases capacity because the shoulder is blown forward at the body/shoulder jct., leaving the shoulder/neck jct. where it was. I was basing my quote on blowing it forward to get the 40 degree and you were basing yours on pushing it back. Thanks for pointing that out......Rich [/QUOTE]
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.257 wildcat build
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