external ballistics वाक्य
उदाहरण वाक्य
मोबाइल
- This improves external ballistics by streamlining the bullet, allowing it to cut through the air more easily, and improves terminal ballistics by allowing the bullet to act as a JHP on impact.
- Once the distance is known, the drop of the bullet at that range ( see external ballistics ), converted back into angular mils, can be used to adjust the aiming point.
- The distance a bullet will travel is determined by its shape, weight, launch velocity and launch angle as with any projectile, the study of which is referred to as external ballistics.
- A bullet fired horizontally loses one third of its muzzle velocity over the first 500m of its range ( see External ballistics )-and that's at supersonic speeds, not hypersonic.
- Take a look at the data table in external ballistics-even though this bullet has a high ballistic coefficient, it sill looses one third of its initial velocity in about two thirds of a second.
- In 1929 design work began in the Soviet Union for a new 130 mm 45 caliber submarine deck gun that would have the same external ballistics as the older 130 mm / 55 B7 Pattern 1913 gun.
- The . 44 Henry is a large and slow bullet, giving poor external ballistics and a great deal of ballistic drop during its trajectory, making hitting a target past 200 yards almost impossible for the average shooter.
- There is some discussion of this in our external ballistics article; the bottom line seems to be that mathematical modelling of drag on bullets is complicated . talk ) 13 : 47, 23 August 2011 ( UTC)
- While this is similar to the energy available from the . 45 ACP pistol cartridge, the reduced diameter and streamlined shape of the heavy . 30 caliber bullet provides far better external ballistic performance, improving range substantially.
- External ballistics is frequently associated with firearms, and deals with the unpowered free-flight phase of the bullet after it exits the barrel and before it hits the target, so it lies between transitional ballistics and terminal ballistics.
- The'effect-firing's . S . projectile had a form factor ( G7 " i " ) of 0.869, which indicates good aerodynamic efficiency and external ballistic performance for the bullet diameter.
- External ballistics is frequently associated with firearms, and deals with the unpowered free-flight phase of the bullet after it exits the gun barrel and before it hits the target, so it lies between transitional ballistics and terminal ballistics.
- In addition to a denser pattern of musket balls, the retained velocity could be higher as well, since the shrapnel shell as a whole would likely have a higher ballistic coefficient than the individual musket balls ( see external ballistics ).
- Some more explanation about the transient nature of a projectile's G1 BC ( it rises above or gets under a stated average value for a certain speed-range regime ) during flight can be found at the external ballistics article.
- Adjustable sights are designed to be adjustable for different ranges, for the effect of wind, or to compensate for varying cartridge bullet weights or propellant loadings, which alter the round's velocity and external ballistics and thus its trajectory and point of impact.
- The LAV-A2 project involved developing and installing an internal and external ballistic protection upgrade package for the Light Armored Vehicles, an automatic fire suppression system for the interior of the vehicle and a Generation II suspension upgrade to support the added weight of the new armor.
- The sharp shoulder and flat front of the Brenneke ( similar in dimensions to a wadcutter bullet ) mean that its external ballistics restrict it to short-range use, as its accuracy is similar to that of an American Foster slug while retaining the improved penetration and slug integrity of the Brenneke design.
- Hubble also worked as a civilian for U . S . Army at Aberdeen Proving Ground in Maryland during World War II as the Chief of the External Ballistics Branch of the Ballistics Research Laboratory during which he directed a large volume of research in exterior ballistics which increased the effective fire power of bombs and projectiles.
- For the 5.45?9mm AK-74, the East German "'Zeiss ZFK 4?5 "', "'1P29 "', Belorussian external ballistic behaviour of the employed projectiles, these military optical sights are intended to assist with field shooting at varying medium to longer ranges rather than precise long range shots.
- Note : Use of this table for estimating bullet masses for historical large-bore rifles is limited, as this table assumes the use of round ball, rather than conical bullets; for example, a typical 4 bore rifle from circa 1880 used a bullet, or sometimes slightly heavier, rather than using a 4-ounce round lead ball . ( Round balls give progressively much worse external ballistic performance than conical bullets at ranges greater than about 75 yards . ) In contrast, a 4-bore express rifle often used a bullet wrapped in paper to keep lead buildup to a minimum in the barrel.
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