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Finnish smokeless powder. Smokeless powder is a type of propellant used in firearms and artillery that produces less smoke and less fouling when fired compared to black powder. Because of their similar use, both the original black powder formulation and the smokeless propellant which replaced it are commonly described as gunpowder.
They are available in crimped and open-ended (balloon) varieties and are made using both black powder and smokeless powder. The black powder blanks produce not only a loud report and flash, but also a cloud of white smoke.
All smokeless powders are somewhat difficult to ignite in a gun, so that in order to prevent hang-fires every cartridge has a primer or igniter, of ordinary fine grain gunpowder, placed so as to intercept the flash from the tube; the outside of the bag containing this igniter is made of shalloon, to allow the flash to penetrate with ease. The ...
Vihtavuori has several services, such as a school, a day care center, a chapel, a pub-restaurant and a store. [1] [4] There is also a gunpowder factory, which was built in 1920. [5] The area contains mostly single-family houses and row houses, but in the center of Vihtavuori there are also apartment buildings, which were built in the 1970s.
By the late 1890s, safer smokeless powders had been developed, including improved and stabilized versions of "Poudre B" (e.g. Poudres BN3F and BPF1), and ballistite and cordite from the late 1880s. The guncotton problem is not completely solved even today, as an occasional batch of smokeless powder will still deteriorate, although this is ...
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Some retailers are using President-elect Donald Trump's proposed tariffs to urge consumers to shop now, suggesting if the import duties go into effect next year, a range of goods could cost ...
Researchers in Arizona say they have discovered the oldest gun in the U.S., a cannon used during the first European expedition across the Southwest.