Comments by "craxd1" (@craxd1) on "Goofy Wapo Editor Claims the AR-15 was Invented by Nazis in Lie by Structure Post" video.
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@sylviam6535 Yes, but using gas successfully in a US made firearm was Browning's idea, where he used a cone-shaped flapper mechanism on the muzzle to actuate a lever-action firearm, and then, he designed the Potato-Digger and the BAR. That idea was further developed by Winchester, after Browning joined them, which led to the creation of the M1 Carbine, and the Garand at Springfield.
"Winchester developed the .30 Carbine cartridge for the ordnance department. Winchester at first did not submit a carbine design, as it was occupied in developing the .30-06 Winchester M2 military rifle. The M2 rifle originated as a design by Jonathan "Ed" Browning, brother of the famous firearm designer John Browning. A couple of months after Ed Browning's death in May 1939, Winchester hired David Marshall "Carbine" Williams who had begun work on a short-stroke gas piston design while serving a prison sentence at a North Carolina minimum-security work farm."
Nazi Germany obtained their ideas from several designers going back to the mid-1800s, where a German first used the idea to operate the action of a single-shot breech-loading rifle. That was patented in the US and Britain, but it was all pre-Nazi.
History:
"The first mention of using a gas piston in a single-shot breech-loading rifle comes from 1856, by the German Edward Lindner, who patented his invention in the United States and Britain. In 1866, Englishman William Curtis filed the first patent on a gas-operated repeating rifle, but subsequently failed to develop that idea further. Between 1883 and 1885, Hiram Maxim filed a number of patents on blowback, recoil, and gas-operation. In 1885, one year after Maxim's first gas-operated patent, a British inventor called Richard Paulson, who a year before had patented a straight blowback-operated rifle and pistol, patented a gas piston-operated rifle and pistol which he claimed could be used with sliding, rotating or falling bolts. He would also patent a gas-operated revolver in 1886. It is not known whether Paulson ever constructed prototypes of his patents, but according to A. W. F. Taylerson, a firearms' historian, his patented revolver was probably workable. In the 1880s a gas piston-operated rifle and pistol were developed by the Clair Brothers of France who received a French patent and submitted prototypes for testing by the French army in 1888, although the true date of their invention is uncertain. They would also produce a semi-automatic shotgun in the early 1890s. In 1889, the Austro-Hungarian, Adolf Odkolek von Újezd, filed a patent for the first successful gas-operated machine gun."
"Most current gas systems employ some type of piston. The face of the piston is acted upon by combustion gas from a port in the barrel or a trap at the muzzle. Early guns, such as Browning's "flapper" prototype, the Bang rifle, and Garand rifle, used relatively low-pressure gas from at or near the muzzle. This, combined with larger operating parts, reduced the strain on the mechanism. To simplify and lighten the firearm, gas from nearer the chamber needed to be used. This high-pressure gas has sufficient force to destroy a firearm unless it is regulated somehow. Most gas-operated firearms rely on tuning the gas port size, mass of operating parts, and spring pressures to function. Several other methods are employed to regulate the energy. The M1 carbine incorporates a very short piston, or "tappet." This movement is closely restricted by a shoulder recess. This mechanism inherently limits the amount of gas taken from the barrel. The M14 rifle and M60 GPMG use the White expansion and cutoff system to stop (cut off) gas from entering the cylinder once the piston has traveled a short distance. Most systems, however, vent excess gas into the atmosphere through slots, holes, or ports."
"A gas trap system involves "trapping" combustion gas as it leaves the muzzle. This gas impinges on a surface that converts the energy to motion that, in turn, cycles the action of the firearm. As the resulting motion is forward toward the muzzle of the gun, some sort of mechanical system is needed to translate this into the rearward motion needed to operate the bolt. This adds to the complexity of the mechanism and its weight, and the placement of the trap generally results in a longer weapon and allows dirt to easily enter the mechanism. Despite these disadvantages, they used relatively low pressure gas and did not require a hole in the barrel, which made them attractive in early designs. The system is no longer used in modern weapons.
"Hiram Maxim patented a muzzle-cup system in 1884 described in U.S. Patent 319,596 though it is unknown if this firearm was ever prototyped. John Browning used gas trapped at the muzzle to operate a "flapper" in the earliest prototype gas-operated firearm described in U.S. Patent 471,782, and used a slight variation of this design on the M1895 Colt–Browning machine gun "potato digger". The Danish Bang rifle used a muzzle cup blown forward by muzzle gas to operate the action through transfer bars and leverage. Other gas-trap rifles were early production M1 Garands and German Gewehr 41 (both Walther and Mauser models).
"The American and German governments both had requirements that their guns operated without a hole being drilled in the barrel. Both governments would first adopt weapons and later abandon the concept. Most earlier US M1 Garand rifles were retrofitted with long-stroke gas pistons, making the surviving gas trap rifles valuable in the collector's market."
Thus, the WaPo writer is a liar.
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