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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger 300 Hybrid - My 1st terminal performance test.
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<blockquote data-quote="Topshot" data-source="post: 401402" data-attributes="member: 13285"><p>With your media testing device. I can see from the photo that the media is not under pressure buy the way that the lid opened up and the media spilt out the top. The quantity and quality of material is variable depending on conditions.</p><p> </p><p>I think it would be better if the media was under some pressure.</p><p> </p><p>Maybe a better device would be more square in shape with an open top.</p><p>Fill the box with media and place a neat fitting wooden plate on top of the media.</p><p> </p><p>Then place 25kg to 100kg or so on top of the wooden plate depending on the size of the plate. The plate would press down on top of the media and supply a level of internal pressure. This could then be calculated in in/lb3, kg.m3 or whatever.</p><p> </p><p>You could adjust the weight on top of the box until the desired internal pressure was obtained. </p><p> </p><p>As the internal pressure can now be controlled, a more consistent comparison can be made between bullets.</p><p> </p><p>Simply remove the weight and top wooden plate to access the material and retrieve the spent bullets. When you replace the lid and weight, conditions should be back to original and ready for the next test shot.</p><p> </p><p>Just a thought.</p></blockquote><p></p>
[QUOTE="Topshot, post: 401402, member: 13285"] With your media testing device. I can see from the photo that the media is not under pressure buy the way that the lid opened up and the media spilt out the top. The quantity and quality of material is variable depending on conditions. I think it would be better if the media was under some pressure. Maybe a better device would be more square in shape with an open top. Fill the box with media and place a neat fitting wooden plate on top of the media. Then place 25kg to 100kg or so on top of the wooden plate depending on the size of the plate. The plate would press down on top of the media and supply a level of internal pressure. This could then be calculated in in/lb3, kg.m3 or whatever. You could adjust the weight on top of the box until the desired internal pressure was obtained. As the internal pressure can now be controlled, a more consistent comparison can be made between bullets. Simply remove the weight and top wooden plate to access the material and retrieve the spent bullets. When you replace the lid and weight, conditions should be back to original and ready for the next test shot. Just a thought. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger 300 Hybrid - My 1st terminal performance test.
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