internal ballistics वाक्य
उदाहरण वाक्य
मोबाइल
- On the other hand, the proportions of . 325 Winchester Short Magnum promote good internal ballistic efficiency that allows the . 325 Winchester Short Magnum to fire shorter lighter bullets at slightly higher muzzle velocities whilst using less propellant than the classically proportioned 8?8mm S.
- Some firearms ammunition, such as Foster slugs and hollow base wadcutter bullets, also use a hollow base to allow the bullet to expand and conform to a barrel's irregularities, even as the chamber pressure drops as the bullet travels down the barrel ( see internal ballistics ).
- In internal ballistics terms, if the base of a projectile is thought of as a piston propelled by the expanding gas, then as barrel length increases the volume swept by the piston also increases, and hence the amount of energy that can be extracted from the gas's burning increases.
- Despite the low-cost manufacture of " Saturday night specials ", prolific gun critic Robert Sherrill said he found no instance where a user was killed or seriously injured by failure of a Saturday night special . or U . S . SAAMI pressure maximum for the round ( see internal ballistics ).
- Since a reduction in twist rate is very detrimental to accuracy, gunsmiths who are machining a new barrel from a rifled blank will often measure the twist carefully so they may put the faster rate, no matter how minute the difference is, at the muzzle end ( see internal ballistics for more information on accuracy and bore characteristics ).
- "' Overpressure ammunition "', commonly designated as "'+ P "'or "'+ P + "', is small arms ammunition that has been loaded to a higher internal pressure than is standard for ammunition of its caliber ( see internal ballistics ), but less than the pressures generated by a defensive purposes.
- Its unique ammunition, designed by Dynamit Nobel, introduced several important innovations, such as improved internal ballistics through the use of a primer, and the prevention of cooking off ( the lack of a case makes it easier for a hot chamber to ignite the exposed propellant ) through the use of the less sensitive hexogen / octogen whereas the G11 chamber rotated around a horizontal axis at its very centre ).
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