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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer ballistic coefficient tests...
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<blockquote data-quote="Muddyboots" data-source="post: 2612954" data-attributes="member: 63925"><p>The exception I take from this work is the Hammer BC is not calculated from an instrument such as a LabRadar but from their OWN field shot drops. I have taken any BC provided from shot drops as a suggestion more than an absolute. </p><p></p><p>As you mentioned, every rifle will be different as well as the altitude tested. It is up to EVERY shooter verify their own load and not rely upon a posted BC. I don't disagree that a bullet manufacturer should have a LabRadar for basic BC calculations but others like Hammer calculate from shot drops. </p><p></p><p>Even Cutting Edge who started in 2001, uses shot drops but are now switching over to Oehler so this is not an uncommon tactic to use for a bullet. So CE started in 2001, 14 years before Hammer are slowly converting over to newer technology. </p><p></p><p>Cutting Edge Bullets Website:</p><p>"At this point the Ballistic Coefficients of our bullets are not exact but are not exaggerated. We arrived at the stated BC's by using muzzle velocity and actual bullet drops at various ranges and calculated them using Oehler's Ballistic Explorer 6.2.0 software. We do realize this is not precise but anyone that has shot long distances will see the difference in drop when compared to the bullets you are currently shooting. As we move forward we plan to get more precise BC's by using an Oehler 43 or Oehler 83 chronograph with acoustic targets set at yardages out to 800 yards. The yardages will be certified and the ballistic coefficients will be very accurate. Eventually, to get even more accurate, we will have data obtained by using Doppler Radar and post it as well."</p><p></p><p>I appreciate the work but I see it comparing large long standing bullet manufacturers that have had greater resources for longer period of time to a bullet company that has been really producing bullets 6 years or so which is apples to oranges at best. Sure there are improvements that can be made and I hope some day to see technology to reflect that.</p></blockquote><p></p>
[QUOTE="Muddyboots, post: 2612954, member: 63925"] The exception I take from this work is the Hammer BC is not calculated from an instrument such as a LabRadar but from their OWN field shot drops. I have taken any BC provided from shot drops as a suggestion more than an absolute. As you mentioned, every rifle will be different as well as the altitude tested. It is up to EVERY shooter verify their own load and not rely upon a posted BC. I don't disagree that a bullet manufacturer should have a LabRadar for basic BC calculations but others like Hammer calculate from shot drops. Even Cutting Edge who started in 2001, uses shot drops but are now switching over to Oehler so this is not an uncommon tactic to use for a bullet. So CE started in 2001, 14 years before Hammer are slowly converting over to newer technology. Cutting Edge Bullets Website: "At this point the Ballistic Coefficients of our bullets are not exact but are not exaggerated. We arrived at the stated BC's by using muzzle velocity and actual bullet drops at various ranges and calculated them using Oehler's Ballistic Explorer 6.2.0 software. We do realize this is not precise but anyone that has shot long distances will see the difference in drop when compared to the bullets you are currently shooting. As we move forward we plan to get more precise BC's by using an Oehler 43 or Oehler 83 chronograph with acoustic targets set at yardages out to 800 yards. The yardages will be certified and the ballistic coefficients will be very accurate. Eventually, to get even more accurate, we will have data obtained by using Doppler Radar and post it as well." I appreciate the work but I see it comparing large long standing bullet manufacturers that have had greater resources for longer period of time to a bullet company that has been really producing bullets 6 years or so which is apples to oranges at best. Sure there are improvements that can be made and I hope some day to see technology to reflect that. [/QUOTE]
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Hammer ballistic coefficient tests...
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