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Rifles, Reloading, Optics, Equipment
Reloading
My HBN experience and process
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<blockquote data-quote="Pdvdh" data-source="post: 2912599" data-attributes="member: 4191"><p>HBN does, absolutely cause a change in MV. Got no idea why WS2 doesn't change velocity. </p><p></p><p>HBN is believed reduce bore to bullet friction. Reduced friction would reduce pressure. Reduced pressure reduces MV. These cause and effect relationships are all logical. Comport with the physics of friction, pressure required to generate the force to overcome friction, and consequential bullet velocity.</p><p></p><p>Higher MVs become possible after HBN treatment by using a higher powder charge to re-establish pressures that were used prior to HBN treatment. Higher, safe powder charges are possible because of the reduced bullet to bore friction.</p><p></p><p>If WS2 doesn't affect MV, then it must not be changing the coefficient of friction between the bullet and the bore. Unless you have a better explanation on the physics in-play with WS2.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2912599, member: 4191"] HBN does, absolutely cause a change in MV. Got no idea why WS2 doesn't change velocity. HBN is believed reduce bore to bullet friction. Reduced friction would reduce pressure. Reduced pressure reduces MV. These cause and effect relationships are all logical. Comport with the physics of friction, pressure required to generate the force to overcome friction, and consequential bullet velocity. Higher MVs become possible after HBN treatment by using a higher powder charge to re-establish pressures that were used prior to HBN treatment. Higher, safe powder charges are possible because of the reduced bullet to bore friction. If WS2 doesn't affect MV, then it must not be changing the coefficient of friction between the bullet and the bore. Unless you have a better explanation on the physics in-play with WS2. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
My HBN experience and process
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