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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Questions about Ballistic FTE
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<blockquote data-quote="Skinny Shooter" data-source="post: 488802" data-attributes="member: 716"><p>Just started running it on an iPhone 3G and its pretty slick.</p><p>Especially the ability to take atmospheric conditions at the time of your "Zero" and then reset the calculations to match the current atmospheric conditions.</p><p> </p><p>Am trying to figure out how to use the drag model functions.</p><p>If I have a manufacturer published BC do I set the Native Drag Model to G1?</p><p> </p><p>Which Drag Model (not the Native Drag Model) should be used for the following bullets:</p><p>Nosler .224 55gr BT (published BC of .267)</p><p>Hornady 6mm 87gr Vmax (published BC of .400)</p><p>Hornady 6mm 105gr Amax (published BC of .500)</p><p> </p><p>Do I use the G5 Drag for the Nosler which is the drag model for a low based boattail.</p><p> </p><p>G7 is for a VLD and don't think the Ballistic Tip fits that profile.</p><p>Would the G7 Drag fit the other two?</p><p> </p><p>On a side note I've noticed that while using drop charts created with the G1 model in years past, the bullet strike was always a bit low.</p><p>Running numbers with G7 seems to take that extra drop into account/</p><p>thanks,</p><p>Allen</p></blockquote><p></p>
[QUOTE="Skinny Shooter, post: 488802, member: 716"] Just started running it on an iPhone 3G and its pretty slick. Especially the ability to take atmospheric conditions at the time of your "Zero" and then reset the calculations to match the current atmospheric conditions. Am trying to figure out how to use the drag model functions. If I have a manufacturer published BC do I set the Native Drag Model to G1? Which Drag Model (not the Native Drag Model) should be used for the following bullets: Nosler .224 55gr BT (published BC of .267) Hornady 6mm 87gr Vmax (published BC of .400) Hornady 6mm 105gr Amax (published BC of .500) Do I use the G5 Drag for the Nosler which is the drag model for a low based boattail. G7 is for a VLD and don't think the Ballistic Tip fits that profile. Would the G7 Drag fit the other two? On a side note I've noticed that while using drop charts created with the G1 model in years past, the bullet strike was always a bit low. Running numbers with G7 seems to take that extra drop into account/ thanks, Allen [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Questions about Ballistic FTE
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