ramya
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« on: October 19, 2009, 03:23:32 AM » |
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The aircraft has a built-in 30mm Sh-6-30 gun with 260 rounds of ammunition. The gun, supplied by the Instrument Design Bureau, based in Tula, fires HEFI rounds and AO-18 cartridges. The maximum fire rate is 5,000 rounds a minute and the muzzle velocity is 850m/s. buy primobolanbali honeymoon |
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« Reply #1 on: October 29, 2009, 01:35:56 PM » |
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Thanks for sharing this information. I found it very informative as I have been researching a lot lately on practical matters such as you talk about...
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jollymark
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« Reply #2 on: July 29, 2011, 05:34:20 AM » |
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A weapon incorporating a metal tube from which bullets, shells, or other missiles are propelled by explosive force, typically making a characteristic loud, sharp noise.A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves ("rifling") cut into the barrel walls. The raised areas of the rifling are called "lands," which make contact with the projectile (for small arms usage, called a bullet), imparting spin around an axis corresponding to the orientation of the weapon. When the projectile leaves the barrel, the spin averages out curve from imperfections improving accuracy and prevents tumbling which improves range, in the same way that a properly thrown American football or rugby ball behaves. The word "rifle" originally referred to the grooving, and a rifle was called a "rifled gun." Rifles are used in warfare, hunting and shooting sports.
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donal
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« Reply #3 on: September 03, 2011, 02:07:19 AM » |
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A shotgun or historically as a fowling piece) is a firearm that is usually designed to be fired from the shoulder, which uses the energy of a fixed shell to fire a number of small spherical pellets called shot, or a solid projectile called a slug. Shotguns come in a wide variety of sizes, ranging from 5.5 mm (.22 inch) bore up to 5 cm (2 inch) bore, and in a range of firearm operating mechanisms, including breech loading, single-barreled, double or combination gun, pump-action, bolt-, and lever-action, semi-automatic, and even fully automatic variants.Shotguns come in a wide variety of forms, from very small up to massive punt guns, and in nearly every type of firearm operating mechanism. The common characteristics that make a shotgun unique center around the requirements of firing shot. These features are the features typical of a shotgun shell, namely a relatively short, wide cartridge, with straight walls, and operating at a relatively low pressure.
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anmolmark
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« Reply #4 on: September 10, 2011, 02:23:28 AM » |
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Guns, Germs, and Steel: The Fates of Human Societies is a 1997 book by Jared Diamond, professor of geography and physiology at the University of California, Los Angeles (UCLA). In 1998 it won a Pulitzer Prize and the Aventis Prize for Best Science Book. A documentary based on the book, and produced by the National Geographic Society, was broadcast on PBS in July 2005.It was also published under the title Guns, Germs and Steel: A short history of everybody for the last 13,000 years.The book attempts to explain why Eurasian civilizations (in which he includes North Africa) have survived and conquered others, while refuting the assumption that Eurasian hegemony is due to any form of Eurasian intellectual, moral or inherent genetic superiority. Diamond argues that the gaps in power and technology between human societies originate in environmental differences, which are amplified by various positive feedback loops.
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harrymark
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« Reply #5 on: November 25, 2011, 12:50:08 AM » |
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NEW DELHI, India — About a year after India's first school shooting, Soumya Viswanathan, a 26-year-old television journalist, was shot and killed on her way home from work. A pretty and vivacious girl with a broad, bright smile, she had stayed late at the station to help her colleagues finish editing a story. At 3 a.m., knowing that her parents worried about her, she called her father to tell him that she was on her way home. She never made it.
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