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A needle gun has a set of very fine chisels known as needles. The tool forces these needles against a work surface at variable speeds up to around 5,000 times per minute. [3] [2] Different models offer choices of number of needles, operating speed, and power levels. [3] Many models use compressed air, although electrical needle-guns do exist ...
The Hotchkiss M1909 machine gun was a light machine gun of the early 20th century that was developed and built by Hotchkiss et Cie. It was also known as the Hotchkiss Mark I , Hotchkiss Portative and M1909 Benét–Mercié .
The MG 13 was introduced into service in 1930, where it served as the standard light machine gun until 1935. [1] It was superseded by the MG 34 and then later the MG 42 . An unusual feature of the MG 13 was its double-crescent trigger, which provided select fire capability without the need for a fire mode selector switch.
A needlegun, also known as a needler, flechette gun or fletcher, is a firearm that fires small, sometimes fin-stabilized, metal darts or flechettes. Theoretically, the advantages of a needlegun over conventional projectile firearms are in its compact size, high rate of fire , and extreme muzzle velocity .
A buttonholer is an attachment for a sewing machine which automates the side-to-side and forwards-and-backwards motions involved in sewing a buttonhole. Most modern sewing machines have this function built in, but many older machines do not, and straight stitch machines cannot sew a zigzag stitch with which
The main improvement involved the gun's weakest spot, its firing rate which in practice was only 220 rounds/min, about half that of contemporary machine guns. Apart from accomplishing increase to 420 rounds/min and improved stability, the same facilities undertook the production of a large number of auxiliary parts, with minor improvements.
Twin-barrelled variant: The ILARCO company manufactured the American 180 in a twin-gun configuration. The two receivers were mounted on a single stock that weighed more than 14 lb (6.4 kg), with a rate of fire over 3,000 rounds per minute. [9] Quad-barrelled variant: The ILARCO company manufactured the American 180 in a quad-gun configuration.
The PLZ-05 or the Type 05 is a 155 mm self-propelled howitzer developed by the People's Liberation Army of China to replace the Type 59-1 130 mm towed gun and Type 83 152 mm self-propelled gun. The PLZ-05 was officially unveiled at the Military Museum of the Chinese People's Revolution to mark the 80th anniversary of the PLA in July 2007, and ...