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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Calculation of B.C.
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<blockquote data-quote="Oli" data-source="post: 27971" data-attributes="member: 1342"><p>You use two chronographs some distance apart from each other and compare the difference in velocity. I dont know of any english versions so try this swedish one: <a href="http://www.robsoft.nu/ballistik_se/bc.asp?MainID=3" target="_blank">http://www.robsoft.nu/ballistik_se/bc.asp?MainID=3</a> </p><p></p><p>Explanation:</p><p>velocity at first chrono (m/s)</p><p>velocity at second chrono (m/s)</p><p>bullet weight (g)</p><p>Altitude (m above sea level)</p><p>Temp. (C)</p><p>Distance between chronographs (m)</p><p></p><p>Press "räkna"</p><p>BC appears in red</p><p></p><p>[ 07-17-2003: Message edited by: Oli ]</p></blockquote><p></p>
[QUOTE="Oli, post: 27971, member: 1342"] You use two chronographs some distance apart from each other and compare the difference in velocity. I dont know of any english versions so try this swedish one: [url="http://www.robsoft.nu/ballistik_se/bc.asp?MainID=3"]http://www.robsoft.nu/ballistik_se/bc.asp?MainID=3[/url] Explanation: velocity at first chrono (m/s) velocity at second chrono (m/s) bullet weight (g) Altitude (m above sea level) Temp. (C) Distance between chronographs (m) Press "räkna" BC appears in red [ 07-17-2003: Message edited by: Oli ] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Calculation of B.C.
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