Search results
Results from the WOW.Com Content Network
Transitional ballistics is a complex field that involves a number of variables that are not fully understood; therefore, it is not an exact science. [6] When the bullet reaches the muzzle of the barrel, the escaping gases are still, in many cases, at hundreds of atmospheres of pressure. [3] Once the bullet exits the barrel, breaking the seal ...
Internal ballistics (also interior ballistics), a subfield of ballistics, is the study of the propulsion of a projectile. In guns, internal ballistics covers the time from the propellant 's ignition until the projectile exits the gun barrel. [1] The study of internal ballistics is important to designers and users of firearms of all types, from ...
Gun dynamics describes the physical causes of barrel and shot vibration, and the effect they may have on accuracy and consistency. It is employed to predict firearm performance, such as recoil, using theoretical methods and mathematical modelling techniques. In the 1970s, the United States Army Symposium on Gun Dynamics [1][2][3][4][5] defined ...
Ballistics is the field of mechanics concerned with the launching, flight behaviour and impact effects of projectiles, especially ranged weapon munitions such as bullets, unguided bombs, rockets or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.
History. The DF-11 is a road-mobile short-range ballistic missile (SRBM) which began development in 1984 as the M-11, of which was led by the China Sanjiang Space Group (previously known as Base 066). [5] It entered service with the PLA Second Artillery Corps in 1992. [6]
JL-2. The JL-2 (Chinese: 巨浪-2; pinyin: Jù Làng Èr; lit. 'Giant Wave 2', NATO reporting name CSS-N-14) is a Chinese second-generation intercontinental-range submarine-launched ballistic missile (SLBM) deployed on the People's Liberation Army Navy 's (PLAN) Type 094 submarines. It succeeds the JL-1 SLBM deployed on the Type 092 submarine.
The B-611 is a Chinese solid-fuelled short-range ballistic missile (SRBM) developed by China Precision Machinery Import-Export Corporation (CPMIEC). [4] The missile has a maximum range of 150–400 km (93–249 mi). [5] [2] [3] The B-611 development began development in 1995, [4] and first shown in 2004. [6] A newer variant was shown in late ...
Bullets weighing 2.6 g (40 grains) or less are recommended for optimal use in 5.7×28mm applications, [46] but the 228.6 mm (1:9 in) rifling twist rate (distance the bullet must travel to complete one full revolution) used in the firearms' barrels will stabilize bullets weighing up to 4.5 g (70 grains).