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Rifles, Reloading, Optics, Equipment
Reloading
just curious
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<blockquote data-quote="rclouse79" data-source="post: 432500" data-attributes="member: 24542"><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">Part of the fun of starting to reload is trying to figure out why things are the way they are. According to my measurements using the hornaday oal gauge and bullet comparator the shortest jump to the lands I can achieve with a barnes 130 grain ttsx while still fitting in the magazine is .010. With a 130 grain nosler accubond the shortest jump to the lands while still fitting the magazine is 0.075. I decided to take some measurements on each bullet and in an attempt to understand the differences between the two.</span></span></p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">Bullet length (ttsx- 1.324, acc – 1.241) </span></span></p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">Comparative Bullet length using hornaday bullet comparator (ttsx – 1.785, acc – 1.702)</span></span></p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">The actual bullet comparator that attaches to the calipers is 1.002. By subtracting that number from the comparative bullet length I figured that would give me the distance from the base of the bullet to the ogive. (ttsx-0.783, acc- 0.700)</span></span></p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">By subtracting the length found above from the bullet length I figured I would get the distance from the tip to the ogive. (ttsx-.541, acc- .541)</span></span></p><p> </p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">I am thinking I did something wrong or had a misconception along the way. It seems to me that if both bullets actually have the same distance from the ogive to the tip they should be able to achieve the same jump to the lands while just fitting the magazine. </span></span></p></blockquote><p></p>
[QUOTE="rclouse79, post: 432500, member: 24542"] [FONT=Times New Roman][SIZE=3]Part of the fun of starting to reload is trying to figure out why things are the way they are. According to my measurements using the hornaday oal gauge and bullet comparator the shortest jump to the lands I can achieve with a barnes 130 grain ttsx while still fitting in the magazine is .010. With a 130 grain nosler accubond the shortest jump to the lands while still fitting the magazine is 0.075. I decided to take some measurements on each bullet and in an attempt to understand the differences between the two.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]Bullet length (ttsx- 1.324, acc – 1.241) [/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]Comparative Bullet length using hornaday bullet comparator (ttsx – 1.785, acc – 1.702)[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]The actual bullet comparator that attaches to the calipers is 1.002. By subtracting that number from the comparative bullet length I figured that would give me the distance from the base of the bullet to the ogive. (ttsx-0.783, acc- 0.700)[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]By subtracting the length found above from the bullet length I figured I would get the distance from the tip to the ogive. (ttsx-.541, acc- .541)[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3]I am thinking I did something wrong or had a misconception along the way. It seems to me that if both bullets actually have the same distance from the ogive to the tip they should be able to achieve the same jump to the lands while just fitting the magazine. [/SIZE][/FONT] [/QUOTE]
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Reloading
just curious
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