Canon revolver de 37

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Version on wheel carriage from 1879 in Fort Nelson, England

The Canon revolver de 37 (37 mm revolver cannon) was a cannon developed by Hotchkiss et Cie in France in 1873 with five barrel rotating on the revolver principle.

technology

As with the Gatling Gun , the five barrels of the 37 mm Hotchkiss cannon rotate around a common central axis. However, the principle of operation is fundamentally different. In the Gatling Gun, the barrel set rotates continuously, each barrel has a slide on its extension that feeds, fires and ejects a cartridge in one rotation of the barrel set through 360 °. The process of feeding cartridges into the barrel assembly of the Hotchkiss cannon can be compared with that of the prototype of the Mauser MG-213 machine gun .

37 mm Hotchkiss explosive cartridge

The Hotchkiss cannon has a loading mechanism in the housing behind the barrels that is driven by a hand crank but does not rotate with it. Each time the crank is turned, the barrel set is turned one step further. In the first cycle, a cartridge is inserted into the barrel on the top left by a feeder moving back and forth. In the third stroke, this barrel reaches its lowest position in front of the bolt block with the hole for the firing pin, which is fixed in the housing, and is fired. In the fourth cycle it is turned away from the breech block and the case is pulled out. In the fifth cycle it is brought back into the charging position and charged.

The operating crew consisted of the gun leader, the man at the crank and the loader. The gun leader aimed the gun and was able to control the firing by disengaging the hand crank. It was loaded with an ammunition frame of 10 rounds. The maximum rate of fire of the weapon was 60-80 rounds / min.

Usage history

The five-barrel 37 mm revolver cannon from Hotchkiss et Cie was used in the navies of France, Germany and the Netherlands from the 1880s. It served on ships from cruiser size for torpedo boat defense and as armament for smaller vehicles. After 1893 these guns were replaced in the German Imperial Navy by the 5.0 cm Schnelladekanone L / 40 , from 1906 by the 5.2 cm Schnelladekanone L / 55 from Krupp , which had a greater range and penetration power.

Starting in 1884, the Russian Navy bought 126 units of this model and 24 units of the likewise five-barrel 47 mm revolver cannon. Russia began license production of this weapon in Tula in 1886 . By the end of production in 1896, 290 units had been produced. During the First World War , many of them were used for air defense.

In Russia, a single-pipe version was developed, of which 276 pieces were procured by 1901. It was easier to manufacture than the five-pipe version and became standard equipment in the Russian Navy until 1905. In the Russo-Japanese War , the low firepower was found and it was removed from the larger ships in a short time. During the First World War and the Russian Civil War , it was used to arm river ships. In this role, the last specimens survived until the Second World War on the ships of the Pinsker river flotilla.

literature

Web links

Commons : 37mm Hotchkiss Cannon  - collection of images, videos and audio files