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Klub Zbrane [ŽP: 24 týdnů] (kategorie Věda a Technika) moderují Al, El_Diablo, ocs, themajkl.
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Domovská stránka aktualizována 2.12.2019 04:02
Omlouvám se ale bohužel jsem musel zakázat psaní anonymům, protože nám tu nějaký sabotér vložil "hack" kvůli kterému nešlo přispívat nikomu. Nevím jestli to pomůže, ale snad nad tímto darebákem budeme mít větší kontrolu.
Srdečně zveme do tohoto klubu všechny, kteří se zajímají o zbraně, střelbu a všechno, co s tím souvisí a chtějí si o tom všem v přátelské atmosféře povídat, poradit druhým, nebo se naopak chtěji zeptat na radu.

Kdo chce vystupovat anonymně (tj. bez registrace na Lopuchu), musí si vymyslet nějaké jméno nebo přezdívku a psát ho do každého svého anonymního příspěvku.

Každého přece musíme v diskusi nějak oslovovat, aby bylo jasné, kdo na koho reaguje. Kdybychom měli odpovídat několika bezejmenným anonymům najednou, byla by diskuse značně nepřehledná. Takže, kdo neuvede jméno či přezdívku, ten jako by nebyl.
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    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 25.5.2024 00:17  34311
    AnimaceHow a Japanese Type 11 LMG Works
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 24.5.2024 23:54  34310
    3D Animation: The Very Unconventional Type 11 Machine Gun
    The Type 11 light machine gun was a machine gun used by the Imperial Japanese Army in the interwar period and during World War II. It was designed by Japanese arms designer Kijirō Nambu, based on a modification of the French Hotchkiss M1909 machine gun. It was an air-cooled, gas-operated design, using the same 6.5 by 50mm Arisaka cartridges as the Japanese Type 38 infantry rifle.

    The Russo-Japanese War of 1904–1905 had convinced the Japanese of the utility of machine guns. The Army Technical Bureau was tasked with the development of a lightweight machine gun which could be transported by an infantry squad. The resultant "Type 11 light machine gun" (named after the 11th year of the reign of Emperor Taishō) was the first light machine gun to be mass-produced in Japan and the oldest Japanese light machine gun design to see service in the Pacific War.

    A unconventional feature of the Type 11 machine gun was its detachable hopper; it could be refilled while attached and did not require removal during operation. Instead of a belt or box magazine, the Type 11 was designed to hold up to six of the same cartridge clips used on the Type 38 rifle. The five-round clips were stacked lying flat above the receiver, secured by a spring arm, and the rounds were stripped from the lowest clip one at a time, with the empty clip thrown out and the next clip automatically falling into place as the gun was fired. The system had the advantage that any squad member could supply ammunition and that the hopper could be replenished at any time. The relatively short barrel of 17.5 inches produced excessive flash with standard ammunition intended for the Type 38 rifles with barrels more than a foot longer. As a result a new load was introduced which burned faster in the Type 11's short barrel and produced less flash. This new round was called the 6.5 by 50mm Arisaka genso round.

    The disadvantage of the hopper was that the open feeder box allowed dirt to enter the gun, which could lead to malfunctions in combat. Another issue was that the weight of the rifle cartridges in the side-mounted hopper unbalanced the weapon when fully loaded. To compensate, the buttstock was designed in a way that it bent to the right, leading to the Chinese nickname "bent buttstock".

    The Type 11 came into active service in 1922, and some 29,000 were produced by the time production stopped in 1941. It was the primary Japanese light machine gun through the Manchurian Incident and in the early stages of the Second Sino-Japanese War. It remained in service through the end of World War II. It was replaced by the Type 96 light machine gun.
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 24.5.2024 18:15  34309
    Cartridge History: The .451 Detonics Magnum is a Supercharged .45 ACP

    Detonics was founded as a company in the 1970s, making high-end 1911 pistols. Their first product that really put them on the map was their 3" micro-compact 1911; something that just wasn't available on a production basis at the time. After the .45 Winchester Magnum cartridge was introduced in 1979, Detonics jumped at the chance to now make a higher-power .45 cartridge that would fit the 1911 magazine. Since the .45 WinMag brass was much thicker at the base than .45 ACP, Detonics was able to cut it down to ACP length (actually one millimeter longer, to prevent it from being chambered in a standard .45 ACP chamber). They then cranked up the pressure and were able to increase velocity by 30% over the original .45 - and they called the new round .451 Detonics Magnum.

    Detonics made several different models of pistol in their new cartridge, both standalone guns, replacement slides for other frames, and package sets with both .45 and .451 barrels. They were never able to get an ammunition manufacturer on board though, and the .451 remained a hand loading proposition throughout its entire life. This crippled its chances at becoming mainstream, and it remains a very niche cartridge to this day. Its successors included the .45 Super and the .460 Rowland, which survive today but are definitely special-interest offerings.
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 24.5.2024 01:49  34308
    The foldable British Barrett: Steel Core Cyclone HSR with firearms expert Jonathan Ferguson

    50.cal is a calibre that often packs a punch, especially when it belongs to a precision rifle.
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 22.5.2024 17:54  34307
    Sten MkI & MkI*: The Original Plumber's Nightmare

    The Sten gun was designed by RSAF Senior Draftsman (sorry, Draughtsman) Harold Turpin in December, 1940. He sketched out a simple trigger mechanism on December 2, showed it to Major Reginald Shepherd the next day, and then finished out the rest of the submachine gun design that week. The first prototype gun was completed on January 8, 1941 and it was tested by the Small Arms School that same month. The design was approved for production (alongside the Lanchester) March 7th, 1941 and the first of 300,000 Sten MkI guns was delivered to the British military on October 21, 1941. The MkI and MkI* Stens were all manufactured by the Singer sewing machine company in Glasgow, with three contracts for 100,000 guns each issued in 1941.

    The Sten was the British response to a dire need for a large number of cheap infantry weapons, and it served that purpose well. The MkI was quickly followed by a somewhat simplified MkI*, which discarded the unnecessary flash cone and the wooden front grip. An even simpler MkII optimized for mass production followed, along with a MkIII. As the end of the war approached the MkV was introduced which had much improved handling, and it would remain in service until the 1950s, when it was finally supplanted by the Sterling.
    ocs ocs sine ira et studio - OCSite 20.5.2024 20:20  34306
    Hezky se nám ta sluníčková demokracie rozvíjí. Aktuálně jsou na talíři domovní prohlídky bez soudního příkazu. Za chvíli na tom opravdu nebudeme o nic lépe než před '89 :(
    666 666 Bože, chraň nás před těmi, - kteří v tebe věří. 16.5.2024 21:08  34305
    Mně právě překvapuje, že Gawron, Černý ani nikdo z lexu o tom nepíšou...
    ocs ocs sine ira et studio - OCSite 16.5.2024 14:28  34304
    666: sám nevím, ale doporučuji zkusit projít články u pana Gawrona na zbrojnici, a není-li v některém z nich odpověď, optat se tam v diskusi u nějakého vhodného. Myslím, že asi momentálně nikdo v této nešťastné zemi nemá o nové legislativě tak dobrou představu, jako pan G. (včetně těch, kdo ji psali).
    666 666 Bože, chraň nás před těmi, - kteří v tebe věří. 15.5.2024 14:34  34303
    Nevíme jak je to s nově připravovaným zákonem (novými kategoriemi zbraní a ZP) a "velkými" zásobníky? Podle nějakých citací zákona jsem pochopil, že už to nebude taková švejkárna jako dnes s univerzální výjimkou. Má někdo nějaké informace?
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 15.5.2024 14:25  34302
    SA-85S: FEG Adapts the Hungarian AK for American Import

    Hungary began importing semiautomatic civilian versions of FÉG's AK-63D into the United States in the 1980s. As more restrictions were put on importation, the models had to change several times to remain legal. The pattern produced between 1990 and 1994 was the SA-85S with a thumbhole stock, and a total of 24,500 of them were imported during this period.
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 13.5.2024 18:06  34301
    Finland's Prototype Belt-Fed GPMG: L41 Sampo

    During the 1930s, there was interest in Finland in replacing the Maxim heavy machine gun with something handier and more mobile. There were experiments with large drum magazines for the LS-26 light machine gun, but these were not satisfactory. Aimo Lahti began to work on a gas-operated GPMG, but lack of funding and competing priorities led to it having slow progress until the eve of the Winter War. By the time the gun was completed and the first preproduction batch ready for troop trials, the Continuation War was underway.

    Twenty eight of the L41 Sampo machine guns were sent out to a variety of units for field testing in the fall of 1942, and the guns were generally well liked, although not perfect. Before improvements and full-scale production could begin, though, the Finnish military was basically distracted by an alternative possibility of procuring MG42 receivers from Germany and building them into complete guns in 7.62x54R. At least one such prototype was completed, and that project caused the L41 program to stall. By the time it might have progressed, the war was going rather badly for Germany and the possibility of getting receivers was basically gone. The L41 never did see further refinement or production, although the trials guns remained in service with their units, in a few cases right until the end of the war.

    Mechanically, the L41 is a fascinating hybrid of Bren/ZB and Maxim elements, and incredibly sturdily built. Only seven are know to survive today, six in Finland and this one in the UK. Thanks to the British Royal Armouries for giving me access to it to film for you!

    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 11.5.2024 14:05  34300
    AK-63F: Hungary's Last Military Kalashnikov

    In 1978, as AMD-65 rifles in service were starting to get worn out, FÉG launched a program to refurbish the old original AKM-63 rifles with new wood furniture for new military service. Conversions began in 1980, and when the supply of old rifles ran out, the factory began making new ones to the same basic pattern. However, production was slow, and by 1982 only about 50,000 had been produced (about 35,500 for Hungarian use and another 14,500 for export). At that point, complaints had built up about the length of the rifles, as people were used to works with the quite compact AMD-65.

    The solution was to introduce the AK-63D, a model of the rifle with the same 16" barrel but with a Soviet-style underfolding stock instead of the fixed wooden stock. These replaced the AK-63F in production until 2002, when the fixed-stocks guns went back into production using leftover parts. This production appears to have continued until 2016, with Hungary selling the rifles to states in the Middle East. The exact details are still classified by the Hungarian government, but a 2018 Conflict Armament Research report identified 166 AK-63Fs captured from Isis. Some of these late-production guns have come into the United States as parts kits, including this one (which I purchased from Atlantic Firearms).

    The Hungarian military decided to adopt the Czech Bren 2 rifle in 2011, bringing its use of Kalashnikovs to an end. The AK-63F rifles still in service today are expected to be all replaced by 2030.

    All the best firearms history channels streaming to all major devices:
    weaponsandwar.tv
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 10.5.2024 19:35  34299
    Brandon Herrera
    The AK-50

    It’s finally here, the moment we’ve all been waiting for. The final assembled test fire of the AK-50, let’s see how she does…

    Thanks to KIR ammo for providing the .50 BMG, and to Sylvan Arms for the QD pic rails!
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 10.5.2024 19:19  34298
    Romania Copies the Jericho: Cugir Models 95 & 98


    By the end of communism in Romania in 1989, the standard service pistols for the army and police were still the old Tokarevs and the Cugir Model 74 "Carpați" Walther PP copy. These were obviously outdated, and as it moved more towards the West, the Romanian military wanted a modern handgun. In 1992 they assessed what was available, and decided to make a domestic copy of the IMI Jericho, with a few minor tweaks. The process of reverse engineering the design took until 1995, when production began on an order of 10,000 for the Army as the Model 95.

    The guns performed well, but were considered too heavy. When the Romanian police decided to adopt the pistol in 1998 and placed an order themselves, they asked Cugir to reduce the weight. This was done by eliminating metal in several different places, most notably shorting the full-length frame dust cover and replacing the steel grip backstrap with a more skeletonized design covered by a wraparound grip. This shaved a few ounces off the gun, and 5,000 were made as the Model 98. In addition, a few manufacturing changes were made during this production run, most notably moving from chrome-lined barrels to hard nitrided barrels.

    Production of the guns ceased in the mid 2000s, until the Army requested another small batch in 2021. By this time Romanian industry had moved form Russia material standards to Western ones, and much of the TDP had to be reworked to accommodate the materials now available. Once that was done, 1100 were produced - 1,000 for the Army and 100 as a commemorative batch for ANCA, the Romanian national arms collectors' association. These remain the standard service pistol for Romanian army and police forces, although they have not entirely replaced the Model 74 today.

    Thanks to Uzina Mecanica Cugir S.A. for giving me access to these pistols for filming, and to A.N.C.A., the Romanian national firearms collectors' association, for organizing the trip that made this video possible!
    https://www.anca.com.ro
    el_diablo El_Diablo Veškerá nepodstatná elektronická zařízen - mimo provoz, včetně kontroly pravopisu. 8.5.2024 20:18  34297
    Jonathan is perplexed by these mystery pivoting pistols, with firearms expert Jonathan Ferguson


    It's a rare sight on this series to see Jonathan left scratching his head.

    But that's exactly what happened when our Keeper of Firearms examined the curious curvature of the grips of these flintlock pistols.

    Help us out in the comments and give Jonathan your theory to what they might be or their original purpose.
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