What is the Coriolis Effect and what does it have to do with firing a weapon?
Richard B
2008-05-01 00:00:35 UTC
There has been 2 instances where the Coriolis Effect has been mentioned and both are when a Sniper is taking a shot. They both say you have to take the Coriolis Effect into account when making the shot. I need it in Lamens terms.
Three answers:
remember.kelly
2008-05-01 00:25:11 UTC
The coriolis force is an apparent force due to the combined effect of the earth's rotation about its axis and the motion of an object as measured in relation to the rotating coodinate system (i.e. approximately relative to the Earth's surface). More precisely, the coriolis force equals 2m wxv , where m is the mass of the object, w is the angular velocity vector of the earth's rotation, and v is the velocity vector. For example, according to this formula a projectile launched in a Northward direction in the Northern hemisphere will experience a force towards the West, and a projectile launched Eastward will feel a force towards the North. Thus given the latitude of your location, the direction you fire in, and the speed of the bullet, you can calculate the coriolis force, and thus the magnitude of the deflection over a given range.
Other effects of the coriolis force are on the flow of currents in rivers, on air planes (logically) and tornados and hurricanes, and ocean currents. The Foucault pendulum brilliantly displays the effect. There is one on display in the Griffith Park observatory in los Angeles.
fireguy
2008-05-01 00:14:15 UTC
the coriolis effect refers to the rotation of the earth. any object moving perpendicular to the poles, north and south, need to be aimed at the place where the target will be by the time the object reaches its destination. when figuring for a sniper shot only the most extreme shots, current one shot one kill confirmed is 1500 meters, need to factor in the coriolis effect. where it becomes extremly important is the firing of long range weapons. the aiming of icbms (intercontinental ballistic missiles) for instance during the cold war it was extremely important due to the length of time the missles were airborne. you can actually cover more ground miles traveling west because of the earths rotation under you given the same amount of sky miles.
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2016-12-16 21:44:54 UTC
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