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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tipping Bullets & Custom Drag Curve Modeling
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<blockquote data-quote="parshal" data-source="post: 1246102" data-attributes="member: 605"><p>I haven't been able to find an answer to this directly but I'm sure it's been asked and answered somewhere that I can't find.</p><p></p><p>I've got a Kestrel 5700 Elite. I'm shooting both a 22 Creedmoor. with 82 grain Bergers at 3500 fps as measured by my Magnetospeed. I've measured velocity at varying temperatures so I can plug in the temps in the muzzle velocity table. I'm using the custom drag curve for the bullet in the Kestrel. The range I normally use only goes out to 600 yards although I infrequently shoot farther but have no regular access to a range that far.</p><p></p><p>If I trim the meplats and point the bullets I know I'm changing the BC. What is the best process for figuring out the new BC? Would I calibrate the velocity even though I've got that information from the Magnetospeed? I can't exactly calibrate the DSF since I don't have regular access to a range to shoot far enough to get into the transonic and subsonic range. I'm sure there's a pretty straightforward answer out there somewhere.</p><p></p><p>I have both Strelok Pro and Kestrel Link on my iPhone but have been using Kestrel more frequently.</p></blockquote><p></p>
[QUOTE="parshal, post: 1246102, member: 605"] I haven't been able to find an answer to this directly but I'm sure it's been asked and answered somewhere that I can't find. I've got a Kestrel 5700 Elite. I'm shooting both a 22 Creedmoor. with 82 grain Bergers at 3500 fps as measured by my Magnetospeed. I've measured velocity at varying temperatures so I can plug in the temps in the muzzle velocity table. I'm using the custom drag curve for the bullet in the Kestrel. The range I normally use only goes out to 600 yards although I infrequently shoot farther but have no regular access to a range that far. If I trim the meplats and point the bullets I know I'm changing the BC. What is the best process for figuring out the new BC? Would I calibrate the velocity even though I've got that information from the Magnetospeed? I can't exactly calibrate the DSF since I don't have regular access to a range to shoot far enough to get into the transonic and subsonic range. I'm sure there's a pretty straightforward answer out there somewhere. I have both Strelok Pro and Kestrel Link on my iPhone but have been using Kestrel more frequently. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tipping Bullets & Custom Drag Curve Modeling
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