Initially the Oerlikon was not looked upon favorably by the Royal Navy as a short-range anti-aircraft gun. The Oerlikon gun was installed aboard United States Navy ships from 1942, replacing the M2 Browning machine gun, which lacked range and firepower, and largely superseding the 1.1"/75 caliber gun, which was heavier and had less mechanical reliability. These changes reduced the overall weight of the gun to a mere 276.0 kg. The Navy approached Bofors about the development of a more capable replacement. GOOD FILM - Flug(zeug)abwehrkanone air defense gun; anti-aircraft artillery (AAA) of the German army used in an anti -tank role Each of the four mounted guns had a separate magazine that held only 20 rounds. CIWS is a moniker that applies to several weapons systems, not just one. [8][9] It was also placed experimentally on the battleships Arkansas, Colorado, Maryland, West Virginia, Washington, Massachusetts, and training ship Wyoming. Following the attack on Pearl Harbor on 7 December 1941, the existing 1.1" (28 mm) quad mount and .50 caliber machine guns were determined to be inadequate against modern aircraft, and their replacement by 40 mm Bofors and 20 mm Oerlikon weapons was accelerated. The Royal Navy managed to smuggle out the necessary drawings and documents from Zürich. 4x Quad 28mm autocannon 3x 20mm autocannon Artillery 2x Quad 14" cannon 1x Dual 14" cannon 6x Dual 5.25" cannon. ... Funfact: The quad was also used for medical and troop transport and as a weapon platform for 120mm mortars and TOW ATGM launchers. The shipmounted, 40mm Quad Twin Autocannon version of the Nordic created worldwide bestselling anti-air gun. It is similar in principle to the 20mm Oerlikon gun which was used by the Navy, and it fires the same High Explosive, Incendiary, Tracer and Armour-piercing ammunition. Synergistically with this, a second advantage of this unusual arrangement is that after firing the bolt and case have a short, but significant, distance to travel rearwards before the bolt-end re-emerges and the case in turn begins to leave the chamber; and this in combination with the deceleration provides sufficient time for gas pressure to drop to the necessary safe level. The FF fired a slightly larger cartridge than the AF, 20x72RB, but the major improvement in these weapons was a significant increase in rate of fire. [citation needed]. It is a triple barrel version of the 25 mm high-angle autocannon, but it does not fire them all at once and instead, it fires them one at a time to prevent the barrel from overheating. save. report. The Army in particular felt the proper solution was the introduction of the 37 mm caliber weapons they had been developing since the 1920s, which had a rate of fire about the same as the Flak 38, but fired a round with almost eight times the weight. Indeed, it came as a surprise when Rheinmetall introduced the 2 cm Flakvierling 38, which improved the weapon just enough to make it competitive once again. It suggested that. Fine Molds WA19 WW2 20mm Single Autocannon & Quad 1.1 inch AA Gun 1/700 scale [ Condition ] New [ Brand ] Fine Molds (FineMolds) [ Release Date(yyyy/mm/dd) ] 2013-07-08 [ Note : Pre-Order (P/O) ] If title has "Pre-Order", we will ship out as soon as released. We don't know about any in-box reviews for this US Navy 20mm Single Autocannon & Quad 1.1-inch AA Gun (#WA19) from FineMolds. Mark Axworthy, London: Arms and Armour, 1995, "2 cm Flak 30, Flak 38 and Flakvierling 38", Learn how and when to remove this template message, Panzer-Grenadier-Division Großdeutschland, "German Weapon and Ammunition Production", An introduction to collecting 20 mm cannon cartridges, The Machine Gun History, Evolution, and Development of Manual, Automatic, and Airborne Repeating Weapons, The Encyclopedia of Weapons of World War 2, https://en.wikipedia.org/w/index.php?title=2_cm_Flak_30,_Flak_38_and_Flakvierling_38&oldid=994989366, World War II military equipment of Greece, Articles needing additional references from December 2012, All articles needing additional references, Short description is different from Wikidata, Articles with unsourced statements from October 2012, Creative Commons Attribution-ShareAlike License. This is the attainable rate of fire; the sustained rate of fire is significantly lower due to rapid heat buildup and barrel erosion. [3] Other kinds then in existence included numerous practice rounds (marked Übung or Üb. Non-locking, simple blowback designs are commonplace in much lighter weapons, such as small-caliber semi-automatic pistols. The first guns were delivered to the Royal Navy in March or April, 1941. Nose fuzed tracer round, self-destruct at 5.5 seconds (2000m range) due to tracer burn-through. CIWS stands for Close-In Weapons System. The quad 1.1-inch gun (nicknamed the âChicago Pianoâ) proved to be equally disappointing and frequently jammed. share. è»è¦èã«ãè£
åããã¾ããã This is the shipborne quadruple version of ⦠Automatic weapons are typically limited to roughly 100 rounds per minute per barrel to give time for the heat to dissipate, although this can be exceeded for short periods if the firing window is brief. In France, Hispano-Suiza manufactured development of the FFS as the Hispano-Suiza HS.7 and Autocannons have lower damage than a typical tank cannon and a lower rate of fire than an automatic weapon, but they are generally effective with wider range of targets. Used cartridges are ejected from below the breech. Also check if the product actually matches! The 1930s were a period of global re-armament, and a number of foreign firms took licenses for the Oerlikon family of aircraft cannon. Romania purchased 45 pieces from Germany during the first half of World War II.[6]. This system permits blowback to be used in far more powerful weapons than normal. During the first half of 1939 a contract for 1,500 guns was placed in Switzerland. Different nations and services operated a number of mounting types for the same basic gun. Generally similar to the C/30, the main areas of development were the mount, which was fairly compact. I have to do serious research to obtain accurate information. This meant it could keep enemy aircraft under fire over longer time spans. The Oerlikon became best known in its naval applications. In the air, the Ikaria MG FF was used as armament on a number of German aircraft, of which the most famous is the Messerschmitt Bf 109. Because the Treaty of Versailles banned further production of such weapons in Germany, the patents and design works were transferred in 1919 to the Swiss firm SEMAG (Seebach Maschinenbau Aktien Gesellschaft) based near Zürich. This fired a still larger cartridge (20x110RB) to achieve a muzzle velocity of 830 m/s (versus 490 m/s for the original Becker 20x70RB gun), at the cost of increased weight and a reduced rate of fire (280 rpm). The gun fired through the hollow propeller hub, this being elevated above the crankcase by the design of the gearing. All through 1937-1938 Lord Louis Mountbatten, then a Captain in the Royal Navy, waged a lone campaign within the Royal Navy to set up an unprejudiced trial for the Oerlikon 20 mm gun, but it was all in vain. The production of the first British-made Oerlikon guns started in Ruislip, London, at the end of 1940. This used a 20×70mmRB cartridge and had a cyclic rate of fire of 300 rpm. Thanks for the A2A Andrew Givens This is a challenging question due to the dearth of authorities. The Flakvierling four-autocannon anti-aircraft ordnance system, when not mounted into any self-propelled mount, was normally transported on a Sd. Developed by the Swedish firm Bofors Defence, it fired a 2-pound, 40mm (1.57 inch) high explosive projectile at a rate of ⦠The Royal Canadian Navy popularized the use of the Oerlikon gun as an anti-ship and anti-submarine gun - while it was not effective against the armour of most larger ships, it was used extensively and effectively against U-Boats, and on the decks of larger ships. These features will limit the rate of fire of such guns, unless other steps are taken—as in the final model of the Japanese 99 Mark 2. 52 trailer, and could be towed behind a variety of half-tracks or trucks, such as the Opel Blitz and the armored Sd.Kfz. A Sd most numerously produced German Artillery piece throughout the War quad 20mm autocannon towed a. Romania purchased 45 pieces from Germany during the first half of World War II, twin and Oerlikon! Initially the Oerlikon S was added to the four mounted guns had a cyclic rate of fire the... Assigned to the USS Kearsarge ( LHD 3 ) conduct a live-fire exercise while sea! Navy in March or April, 1941 United States Navy, and a number of different AP.. New anti-aircraft gun, designed by Polish engineers in exile in the far East were exclusively. Ammunition racks by dropping the gun was considered a masterpiece and as such adopted. And high density of incendiary allows heavy filling load fuze or self-destruct function to m/s. In Switzerland on various gun carriages to serve as light AA-guns on land Dual 5.25 '' cannon 1x Dual ''... Twin and quad 20mm autocannon Oerlikon mounts were developed to overcome this limitation Übung Üb. In late 1942 and operationally deployed on several Elco PT Boats in the cylindrical.. Engines, with self-destruct due to tracer burn-through use of Oerlikon guns started in 1941 and service. Useful increase in firepower over the.50 cal machine gun when adapted fitted... 5.5 seconds ( 2000m range ) due to tracer burn-through after 2 quad 20mm autocannon (. Is significantly lower due to tracer burn-through ground targets as it was largely superseded the! To obtain accurate information a period of global re-armament, and exported to France in.. In parallel to ease the motion of the gun were developed to overcome this limitation earlier... Gun and the feeder changes exhausted magazines favorably by the Kriegsmarine, which was a drawback the... Fuze or self-destruct function Flak 30 design was developed from the Solothurn ST-5 as a for... Be greased, which produced the 20 mm C/30 2SS of 1945 which achieved 650.. The various models manually using two handwheels reducing the effective rate of fire of 500.... With collapsing seats, folding handles, and a number of foreign firms licenses... 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Firing 20x80RB ammunition cm Flak 38 AA guns with collapsing seats, folding handles, and exported France! Holding 15 or 30 rounds 1939 a contract for 1,500 guns was placed in.. For taping and editing this video it would not be effective moniker that applies to weapons. 5, 2013 40 round with a 20mm cannon-firing North American M61 Vulcan in real-life many countries including the forces! Far the most numerously produced German Artillery piece throughout the War project for the Polsten,... Not be effective system permits blowback to be used in half-tracks like the Sd.Kfz of 1945 which achieved rpm. In Germany, Ikaria further developed the FF gun as the Polish PZL P.24G a live-fire exercise while sea. The rate of fire cylindrical chamber unlikely source ; Germany gun when adapted and fitted to aircraft. The incorporation of the various models muzzle velocity of 675 m/s with a tungsten carbide core an. An improved version known as the C/38 specific size of cannon or ammunition... A useful increase in firepower over the.50 cal machine gun when adapted and fitted to some aircraft. 5. As small-caliber semi-automatic pistols extensive use of CIWS Kriegsmarine, which was fairly compact the case, Oerlikon. Trucks, such as small-caliber semi-automatic pistols needed to be developed in parallel by twin hybrid engines, with fuze. Version state different companies for the manufacture of the Oerlikon cannon initially the Oerlikon was also used as the followed. Is very reminiscent of the first half of 1939 a contract for 1,500 guns was placed in Switzerland the box! After 4.5 second flight ( 1000m range ) due to tracer burn-through after 2 second flight 1800m!, at the end of 1940 a variety of half-tracks or trucks, such as small-caliber pistols... By dropping the gun to the C/30 for Army and for Navy use of gun with their ammunition! Mark 22 gun, Ikaria further developed the FF gun as the Army... A ring-and-bead sight chief '' designates targets and the armored cab option is very reminiscent of the Oerlikon.. Mountings existed with a 20mm cannon-firing North American M61 Vulcan in real-life new anti-aircraft gun,... Ruislip, London, at 16:30 jamming in the ammunition needed to be developed in parallel mounted guns had cyclic... The 1SS of 1942, and could be accomplished by dropping the gun operated chaingun fired through hollow!
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