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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Let's argue about BC's
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<blockquote data-quote="LR3" data-source="post: 480008" data-attributes="member: 15336"><p>My mistake MR. Should have added bullet impact performance. I m a great fan of Bryan s book and I have studied it very closely. My question was more if there was an alternative to Bryans very excellent method (pg 31 describes the methods and pgs 32 to 35 possible sources of error - muzzle velocity, distance from chronograph to microphones, time of flight to microphones, and air density) since I would not be able to do this for 375s and Michael Courtney answered he was unaware of an alternative program. Clearly his is the best method except perhaps radar and I was pleased to see Bryan come into the conversation given his knowledge. Unless Bryan has published the G7 number one is left somewhat guessing, as in the 375s , and trying to match impact performance to BC. Hopefully he ll have the time to check the new 375s like 414gr GS, and 416 and 458 vld s.</p></blockquote><p></p>
[QUOTE="LR3, post: 480008, member: 15336"] My mistake MR. Should have added bullet impact performance. I m a great fan of Bryan s book and I have studied it very closely. My question was more if there was an alternative to Bryans very excellent method (pg 31 describes the methods and pgs 32 to 35 possible sources of error - muzzle velocity, distance from chronograph to microphones, time of flight to microphones, and air density) since I would not be able to do this for 375s and Michael Courtney answered he was unaware of an alternative program. Clearly his is the best method except perhaps radar and I was pleased to see Bryan come into the conversation given his knowledge. Unless Bryan has published the G7 number one is left somewhat guessing, as in the 375s , and trying to match impact performance to BC. Hopefully he ll have the time to check the new 375s like 414gr GS, and 416 and 458 vld s. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Let's argue about BC's
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