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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Rain Ballistics
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<blockquote data-quote="Buffalobob" data-source="post: 188471" data-attributes="member: 8"><p>Once a few years ago there was a thread on another forum and I made a calculation that involved a bullets flight to 1000 yards and a 1 inch per hour rainfall intensity. I calculated the probablity that the bullet would be hit by a water drop and the deflection of the bullet from the collision. As it turned out there had been a rain of similiar magnitude a few days earlier at a 1K benchrest match and that was enough to obscure the targets and the match was called. </p><p></p><p>The conclusion I remember from the thread and the calcualtion is that long before there is a high probablity of a collision and a deflection you will not be able to see to shoot.</p><p></p><p>Now then, there are other considerations to look at that are more important. Water is not only the universal solvent but a good lubricant and putting a wet cartridge in your chamber will reduce the sidewall friction and increase bolt thrust. This is similar to shooting with an oily chamber. Moral of the story is keep your cartridges dry.</p></blockquote><p></p>
[QUOTE="Buffalobob, post: 188471, member: 8"] Once a few years ago there was a thread on another forum and I made a calculation that involved a bullets flight to 1000 yards and a 1 inch per hour rainfall intensity. I calculated the probablity that the bullet would be hit by a water drop and the deflection of the bullet from the collision. As it turned out there had been a rain of similiar magnitude a few days earlier at a 1K benchrest match and that was enough to obscure the targets and the match was called. The conclusion I remember from the thread and the calcualtion is that long before there is a high probablity of a collision and a deflection you will not be able to see to shoot. Now then, there are other considerations to look at that are more important. Water is not only the universal solvent but a good lubricant and putting a wet cartridge in your chamber will reduce the sidewall friction and increase bolt thrust. This is similar to shooting with an oily chamber. Moral of the story is keep your cartridges dry. [/QUOTE]
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Rain Ballistics
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