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Thread: New Sniping Formula

  1. #1
    Senior Member cinoeye's Avatar
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    Default New Sniping Formula

    I was watching last night some documentary "Modern Sniper", and they where talking about new sniping formula.
    What caught my attention was the "top secret formula" portion. It was described in a rather vague way so I'm not exactly sure what they mean.
    The goal is to hit the target by taking a shot thru small openings.

    For example, sniper is 100 meters away from small 5cm X 5cm "loop hole"
    opening on the wall or else, hitting a target 500 meters away. Goal is to disperse sound and smoke after firing and sniper concealed and pull out of the area to safety.


    Formula is a secret, but this is what I think.
    Since the bullet's trajectory is arched, and if we know the distance between the opening and the target, catch is to find the right distance between the opening and sniping position.

    What do you think?

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    Senior Member The Dane's Avatar
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    New.. ??? Not

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    Loadmaster General Laworkerbee's Avatar
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    That formula is classified so it's not going to get much traction here.

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    Senior Member cinoeye's Avatar
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    Quote Originally Posted by Laworkerbee View Post
    That formula is classified so it's not going to get much traction here.
    My goal is not to uncover classified formula.
    You must admit, it is not a patent protected, and eventualy most dedicated snipers who work on a problem can come to the same solution.
    Most formulas familiar to me include gravity, velocity, drag, angle aim and fire, temperature, humidity, weapon and bullet type...
    No formula is going to change the trajectory of the bullet itself.
    The shot isn't hugely remarkable and I don't see where there would be any sort of secret formula to make it possible.

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    Loadmaster General Laworkerbee's Avatar
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    Trust me, I'd love to give it a crack. I just don't believe this should be discussed in an open forum.
    Maybe in the "Mess" maybe but not here.

  6. #6
    Senior Member cinoeye's Avatar
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    I understand your point. You should not say anything then, what ever anyone else said!
    There are medium-wave infrared bullet trackers already in the field that visually show you the entire path of the bullet in flight.
    From an adequate distance shooting past a large surface will cause the target to hear the sonic crack coming from that large surface.
    When you shoot through a small loop hole (less than sufficient to observe the target through) The math accommodates the distance from the First Focal Plane to the Loop Hole, the bullet drop/rise and windage in that same distance.
    It is interesting to see how big or small the whole can be.
    I have a bit of trouble with the notion of shooting at targets you can't actually see. For the sniper, it would mean aiming at something that isn't the target.

    Alos we know that bullet is always zeroed twice, when rises, and once as falls. So is it about zeroing? Is the secret formula one simply used to zero the rifle to whatever range the hole is at? But then If the rifle is zeroed at the hole then it won't be on at the target?

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    Senior Member jklv's Avatar
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    Are you talking about parabolic formulas? With a parabolic formula you just need the speed, weight and angle of the projectile to know it's entire trajectory. I learned this in highschool, just add the air constants in a forces diagram and there you have it.
    You can also figure out the needed angle if you have distance of the target as well as weight of the projectile and initial speed.

    Either way I have trouble understanding what you mean.

    EDIT.

    You can also calculate max altitude and at what time or distance the bullet achieves those variables, as well as the speed on that particular moment. So there you have it.

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    Senior Member Chiptox's Avatar
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    Quote Originally Posted by jklv View Post
    Are you talking about parabolic formulas? With a parabolic formula you just need the speed, weight and angle of the projectile to know it's entire trajectory. I learned this in highschool, just add the air constants in a forces diagram and there you have it.
    You can also figure out the needed angle if you have distance of the target as well as weight of the projectile and initial speed.

    Either way I have trouble understanding what you mean.

    EDIT.

    You can also calculate max altitude and at what time or distance the bullet achieves those variables, as well as the speed on that particular moment. So there you have it.
    Or you can just open the Speer catalog to the ballistics tables.

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    Senior Member Xaito's Avatar
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    do you love math and physics or why do you care about some formula you'll probably never need?


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    Member Mavyalex's Avatar
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    Hello,

    I wonder: Is it possible to '"snipe" by using the "ricochet"(bouncing) effect? Very simply, instead of shooting in a direct fashion, the sniper shoots on another surface, and then the bullet bounces on the surface to the target (or to another surface and then to the targer= double effect). Somewhat I wonder if there is anything left from the bullet once it hits a surface..It must be very complex to predict (depending on surface type, depth, angle, velocity, temperature, etc).

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    Senior Member Chiptox's Avatar
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    Quote Originally Posted by Mavyalex View Post
    Hello,

    I wonder: Is it possible to '"snipe" by using the "ricochet"(bouncing) effect? Very simply, instead of shooting in a direct fashion, the sniper shoots on another surface, and then the bullet bounces on the surface to the target (or to another surface and then to the targer= double effect). Somewhat I wonder if there is anything left from the bullet once it hits a surface..It must be very complex to predict (depending on surface type, depth, angle, velocity, temperature, etc).
    Ricochets are unpredictable as the bullet is deformed by the impact and it's aerodymanics are altered significantly. Not to mention the engergy expended.

    However, skipping the shells from battleships to achieve greater range was known to happen. It was also used as a tactic by bombers. In the Pacific in WW2 "skip-bombing" targets became an effective tactic.

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    Member 11 Bravo's Avatar
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    Don't forget in france in 1944 mobile 155mm guns were fired into dirt ramps to 'richochet bounce' shells into german held ports on the french coast. And with devastating results from the veteran whom told me that was there and did that.

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    Depth, Depth and more Depth, Save the equations for when it counts.

    Ricochet Rounds??? Maybe in the movies, In reality, No.

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    Senior Member AlexMartin2's Avatar
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    Why not just use weapons like VSS (http://en.wikipedia.org/wiki/VSS_Vintorez)?

    Sniper is concealed. Can shoot in any direction (doesn't need to wait until target is seen through small hole). Effective distance 400m which is not very good, but I dont think this is big problem, especially if rifle is silenced.

  15. #15
    Moderator James's Avatar
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    Quote Originally Posted by 11 Bravo View Post
    Don't forget in france in 1944 mobile 155mm guns were fired into dirt ramps to 'richochet bounce' shells into german held ports on the french coast. And with devastating results from the veteran whom told me that was there and did that.
    How did they prevent the rounds from exploding when they hit the dirt?

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