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Rifles, Reloading, Optics, Equipment
Reloading
My HBN experience and process
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<blockquote data-quote="Mikecr" data-source="post: 2912416" data-attributes="member: 1521"><p>Some of the HBN claims seem wrong.</p><p>For instance, the friction coefficient of HBN is 0.23 in dry air,, for WS2 it's 0.03 (incredibly slippery, not even a close comparison).</p><p>WS2 does NOT change muzzle velocity. This, countering everything imagined out there about friction affecting MV.</p><p></p><p>The only way MV would change with HBN is if it flashed off like MOLY, and exhibiting latent heat of vaporization, as MOLY does.</p><p>But HBN is declared as immune to burning off.</p><p></p><p>I also wonder if HBN is in any way like the fouling our bores need for cold bore accuracy.</p><p>I know that WS2 pre-fouled bores function as though treated with a universal fouling. The WS2 1st cold shot actually is with all cold shots to follow. Maybe HBN also just happens to be this way, but it would surprise me that a material so different would function the same in this regard.</p><p></p><p>Also, does HBN build up in bores (like MOLY), or does it clean right out (like WS2)?</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2912416, member: 1521"] Some of the HBN claims seem wrong. For instance, the friction coefficient of HBN is 0.23 in dry air,, for WS2 it's 0.03 (incredibly slippery, not even a close comparison). WS2 does NOT change muzzle velocity. This, countering everything imagined out there about friction affecting MV. The only way MV would change with HBN is if it flashed off like MOLY, and exhibiting latent heat of vaporization, as MOLY does. But HBN is declared as immune to burning off. I also wonder if HBN is in any way like the fouling our bores need for cold bore accuracy. I know that WS2 pre-fouled bores function as though treated with a universal fouling. The WS2 1st cold shot actually is with all cold shots to follow. Maybe HBN also just happens to be this way, but it would surprise me that a material so different would function the same in this regard. Also, does HBN build up in bores (like MOLY), or does it clean right out (like WS2)? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
My HBN experience and process
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