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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
sweet free balistic calculator, with MOA and mil's
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<blockquote data-quote="Dave King" data-source="post: 36257" data-attributes="member: 3"><p><strong>Re: sweet free balistic calculator, with MOA and mil\'s</strong></p><p></p><p>4ked horn</p><p></p><p> Mover lead offset:</p><p></p><p> Note: The original spreadsheet was not my original design (I didn't have the equations) but adopted and significantly adapted by me, like many other folks are doing now.</p><p></p><p> I shoot sniper competitions and when we lead a mover we typically lead (hold the crosshair or other "mark" on the front (leading) edge of the mover. Well, as you would guess, if we hold the crosshair on the leading edge and the point of impact (POI) is at the point of aim (POA) (crosshair or first Mildot, etc) we'd just knick the target. Sooo... we add an offset equal to the distance BEHIND the POA that we would desire as the POI. For a human type target of ~12 inches deep on a side presentation we use 4" or 6" of offset so we'll hit 4" to 6" BEHIND the leading edge, near the middle of the target.</p><p></p><p> If you hold center mass of the blue flame coyotes you would probably want 0 (zero) offset. If you hold on the nose you'd need a fair bit of offset (18" maybe).</p><p></p><p> Hope this helps.</p></blockquote><p></p>
[QUOTE="Dave King, post: 36257, member: 3"] [b]Re: sweet free balistic calculator, with MOA and mil\'s[/b] 4ked horn Mover lead offset: Note: The original spreadsheet was not my original design (I didn't have the equations) but adopted and significantly adapted by me, like many other folks are doing now. I shoot sniper competitions and when we lead a mover we typically lead (hold the crosshair or other "mark" on the front (leading) edge of the mover. Well, as you would guess, if we hold the crosshair on the leading edge and the point of impact (POI) is at the point of aim (POA) (crosshair or first Mildot, etc) we'd just knick the target. Sooo... we add an offset equal to the distance BEHIND the POA that we would desire as the POI. For a human type target of ~12 inches deep on a side presentation we use 4" or 6" of offset so we'll hit 4" to 6" BEHIND the leading edge, near the middle of the target. If you hold center mass of the blue flame coyotes you would probably want 0 (zero) offset. If you hold on the nose you'd need a fair bit of offset (18" maybe). Hope this helps. [/QUOTE]
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sweet free balistic calculator, with MOA and mil's
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