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Topic: Oerlikon 20 mm cannon

	CANNON FACTS AND INFORMATION (Site not responding. Last check: 2007-11-04)
		In the West, the use of cannon was first recorded in the battles of the early 14th century, for instance, at the siege of Metz in 1324, and by the English against the Scots in 1327.
		Shotguns were developed as essentially small cannons, having been first named in Kentucky in the 18th Century; their size, expressed in gauge, is expressed in the fraction of a pound that a round shot of a diameter equal to their barrel bore diameter would be.
		Cannons in fortified positions, such as the Maginot_Line and the Atlantic_Wall, were increasingly unable to protect areas from infantry and tank attacks.
	www.gottagetflowers.com /index.php/?s=cannon (1419 words)

	20 mm modèle F2 gun - Wikipedia, the free encyclopedia
		The 20 mm modèle F2 gun is a naval defence weapon in usage in the French Navy.
		The need for a newer 20 mm defence cannon than the Oerlikon 20 mm cannon began to grow notable in the 80s.
		The companies DCN and GIAT associated to design the F2 20 mm cannon, essentially a navalised version of the M693 gun used by the French Army, and sold in exportation.
	en.wikipedia.org /wiki/20_mm_mod%C3%A8le_F2_gun (267 words)

	Hispano-Suiza HS.404 - Wikipedia, the free encyclopedia
		This cannon was based on the earlier Swiss Oerlikon FF S weapons, which Hispano-Suiza manufactured under license HS.7 and HS.9.
		The Hispano fired a 130 gram (4½ oz) 20 mm x 110 mm projectile with a muzzle velocity between 840 and 880 m/s (2,750 and 2,900 ft/s), depending on barrel length.
		The USAF introduced the 20 mm M39 revolver cannon to replace the M24, while the Navy instead stuck with the original design with a lighter round for better muzzle velocity in the Colt Mk 12 cannon.
	en.wikipedia.org /wiki/Hispano_20_mm_cannon (718 words)

	Anti-aircraft warfare - Wikipedia, the free encyclopedia
		Krupp quickly modified a 1 pounder (20 mm) gun to be mounted on top of a horse-drawn carriage for the purpose of shooting down these balloons.
		By the mid-1930s the 20 mm was considered to be too low power against the increasingly fast planes, but instead of introducing a new gun, Krupps managed to squeeze four of the existing 20 mm guns onto a single carriage of about the same weight.
		It was never cleanly replaced however; the 37 mm was available in limited numbers, and a new dual-30 mm system based on the MK 103 aircraft gun was never put into widespread use.
	www.wikipedia.org /wiki/Flak (3373 words)

	Probert Encyclopaedia: Artillery (P) (Site not responding. Last check: 2007-11-04)
		The PaK 38 fired a 50 mm calibre shell with a penetration ability of 78 mm for the high-explosive shell and 120 mm for the tungsten-cored armour-piercing shell at a range of 500 meters.
		The Polsten 20 mm was a Polish designed, British made anti-aircraft gun of the Second World War based upon a simplified Swiss Oerlikon 20 mm cannon.
		Polsten 20 mm had an effective ceiling of 2200 meters and a muzzle velocity of 831 meters-per-second.
	www.probertencyclopaedia.com /FYN.HTM (1235 words)

	Hispano 20 mm cannon biography .ms (Site not responding. Last check: 2007-11-04)
		The Hispano Suiza 20 mm cannon was one of the most widely used aircraft weapons of the 20th century, used by British, American, French, and many other military services.
		The Hispano fired a 130 gram (4.59 oz) 20 mm x 110 mm projectile with a muzzle velocity between 840 and 880 m/s (2,755 and 2,888 ft/s), depending on barrel length.
		The U.S. Navy later replaced the M3 with the Colt Mk 12 cannon, while the British RAF and FAA went to the 30 mm ADEN cannon.
	www.biography.ms /Hispano_20_mm_cannon.html (303 words)

	Probert Encyclopaedia: Ships (Br-Bz) (Site not responding. Last check: 2007-11-04)
		In very cold weather, the iron cannon balls on the brass monkeys would contract at a different rate and amount to the brass plate, resulting in the cannon balls rolling off the brass plate.
		She was armed with three 340 mm guns, ten 164 mm guns, fourteen 47 mm rapid fire guns, seventeen machine-guns and four torpedo tubes.
		She carries a crew of 38 including five officers and is armed with a Bofors 40 mm/60 Mk 3 dual-purpose gun; three FN 7.62 mm machine-guns and two Oerlikon 20 mm guns.
	www.probertencyclopaedia.com /R2D.HTM (3069 words)

	20 Mm Aircraft Cannon - Big Aircraft Guide (Site not responding. Last check: 2007-11-04)
		The MG 151/ 20 was a very suitable aircraft cannon, a good match for the...
		Even with 20mm cannon 20 hits or so were required, and that was just too...
		The cannon (usually 20 - mm) are moved either on trucks or on self-propelled...
	www.bigaircraftguide.com /20-mm-aircraft-cannon.html (757 words)

	Probert Encyclopaedia: Ships (Va-Vh) (Site not responding. Last check: 2007-11-04)
		She carries a crew of 105, including nine officers and is armed with one 3 inch calibre anti-surface gun and four Bofors 40 mm/56 anti-aircraft guns arranged as two twins and also two Oerlikon 20 mm guns.
		The ship's main gun is a 76 mm Otobreda Mk 100 which is capable of firing 100 rounds per minute with a range of 16 km anti-surface and 12 km anti-air.
		The ship is armed with a 40 mm Bofors main gun installed on the upper deck; two 7.62 mm machine-guns and four Saab anti-submarine mortar launchers developed each with nine launch tubes.
	www.probertencyclopaedia.com /RGB.HTM (2945 words)

	Articles - Cannon (Site not responding. Last check: 2007-11-04)
		In the 16th century the "Great Guns" were classified according to size, with such names as "cannon royal" (see Tsar Cannon), "demi-cannon", "culverin", "demi-culverin", "falcon", "falconer", "minion" etc., but by the 18th century they were classified by the weight of the round shot that they fired.
		In 1862 John Gilleland invented a double barrelled cannon, which turned out to be a spectacular failure.
		The Bofors 40 mm gun and Oerlikon 20 mm cannon are two examples largely used during the Second World War, and still in usage today.
	www.kimia-sains.com /articles/Cannon (1412 words)

	Probert Encyclopaedia: Ships (A-Ai) (Site not responding. Last check: 2007-11-04)
		She was armed with twin 4.5 inch guns and two 40 mm anti-aircraft guns and a Limbo anti-submarine mortar.
		She was armed with six 11 inch guns and eight 5.9 inch guns, six 37 mm anti-aircraft guns, eight 3 pdr anti-aircraft guns, ten 20 mm anti-aircraft guns and eight 21 inch torpedo tubes.
		Armaments consist of two DCN 100 mm dual-purpose guns capable of a rate of fire of between 60 and 80 rounds per minute; four Bofors 40 mm/70 dual-purpose guns; and six 324 mm Mk 32 torpedo tubes arranged in two triple arrangements.
	www.probertencyclopaedia.com /R1.HTM (3325 words)

	MG 151 cannon - Enpsychlopedia (Site not responding. Last check: 2007-11-04)
		It was 1941 developed into the 20 mm MG 151/20 cannon which was widely used on many types of German Luftwaffe fighters, fighter bombers, night fighters, ground attack and even bombers as part of or as their main armament World War II.
		The 15 mm weapon was experienced as having a lackluster performance as the main gun on Me 109F-2/F-3 series and was soon replaced by the 20 mm version to become the standard cannon for the Me 109F-4 series onwards until it was surpassed by the 30 mm MK 108 cannon.
		The 15 mm MG151/15 was phased out during 1942 but it was possible to change all of them to the 20 mm MG 151/20 by changing the barrel and some small modifications.
	www.grohol.com /psypsych/MG_151_cannon (336 words)

	Oerlikon Contraves AG (Site not responding. Last check: 2007-11-04)
		Automatic cannons have to meet the criteria of performance, reliability, and service life.
		Oerlikon Contraves is a world-renowned manufacturer of automatic cannons in calibers ranging from 20 mm to 35 mm.
		These cannons can be employed in the areas of field gunnery, naval gunnery, vehicle armament, and aircraft armament.
	www.oerlikoncontraves.ch /e/produkte/munition/m_2a.htm (76 words)

	Articles - Oerlikon 20 mm cannon (Site not responding. Last check: 2007-11-04)
		In 1935, the cannon was adapted by Britain to be used for in the Royal Navy for the short-range anti-aircraft role.
		The Oerlikon 20 mm cannon is a monotube cannon with a large coil around it.
		The cannon is manned by the gunner (who aims and fires the piece), the piece chief (designating objectives) and the feeder (supplying fresh ammunition).
	www.cat-center.com /articles/Oerlikon_20_mm_cannon (315 words)

	FH Forum - fighters guns, a must read.
		Finally ther were the shell-firing cannon, of 20-mm caliber in each case(the arbitrary division between a machine gun and a cannon is that the latter has a caliber of 15mm or greater).
		Later the Oerlikon was manufactured under licence in Japan, and the Hispano was produced in Britain and, subsequently, in the U.S.A. With a weight of only 60 pounds the Oerlikon MG FF was the lightest of the cannon, while the 7.7-ounce round it fired was the heaviest of the three.
		During WWII all calibres exceeding 15 mm were called cannons, but with the onset of so-called "Heavy Sniper-rifles" (calibres.50 to 17 mm) this limit was stretched to 20 mm.
	forum.wbfree.net /forums/printthread.php?t=18381 (3285 words)

	30 Mm Cannon focused info all about mobilephones (Site not responding. Last check: 2007-11-04)
		30 M 791 30 mm cannon for aircraft 30 M 791 30 mm cannon for aircraft Associated from the outset with Dassault Aviation for the development of the Rafale programme for the French fleet air arm...
		In short, the MK 108 was a blowback operated, rearseared, belt fed 30 mm cannon using electric ignition and was charged and triggered by simple compressed air.
		The Bofors 40 mm gun and Oerlikon 20 mm cannon are two examples largely used during the Second...
	mobile-phones-resources.com /mobilephones/30_mm_cannon.html (753 words)

	Oerlikon 20 mm cannon - Enpsychlopedia
		The design of the Oerlikon 20mm cannon, by Reinhold Becker dates back to 1914, and is still in use today, after having been used extensively during the Second World War.
		In 1935, the cannon was adapted by Great Britain to be used for in the Royal Navy for the short-range anti-aircraft role.
		The Oerlikon 20mm cannon is a monotube cannon with a large coil around it.
	psychcentral.com /psypsych/Oerlikon_20mm_cannon (336 words)

	Science Fair Projects - HNLMS Karel Doorman (F 827)
		She is the third ship in the Royal Netherlands Navy to be named after admiral Karel Doorman, who was killed during the battle of the Java Sea.
		Karel Doorman was laid down on 26 February 1985, launched on 20 April 1988 and commissioned on 31 May 1991.
		She took part in anti-drug operations in the Caribbean together with the U.S. Navy, was part of the UN operations in the Adriatic Sea during the conflicts in the former republic of Yugoslavia, as well as various NATO exercises.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/HNLMS_Karel_Doorman_%28F_827%29 (302 words)

	Industria Aeronautica Romana IAR 80 / 81 (Site not responding. Last check: 2007-11-04)
		The supply of the 13.2 mm (0.52 in) Brownings was quite limited and the Romanians had to settle for imported Swiss Ikaria 20 mm (license-built Oerlikon MG FF) cannon for their bomber busters since the Germans initially would not sell any 20 mm cannon to the Romanians.
		They were armed with two German 20 mm Mauser MG 151 cannon and two of the usual 7.92mm (0.31 in) machine-guns.
		This, it accomplished with the support of grupul 5's Bf 109Es and IAR 80s from 20 December, as no convoy was seriously disrupted until the final moments of the evacuation in May of 1944 by which time escadrila 49 of grupul 4 had already been overrun.
	www.kotfsc.com /aviation/iar80.htm (4451 words)

	Aircraft cannon data
		(Is it 781?) Oerlikon KCA 1 30x173 360(890) 1050 1350 22 8.1 136 2.69 Four chamber revolver.
		By the RN Sea Harriers during the Falklands war: Four in all, one Pucara, one A-4, one Hercules which had been damages by one Sidewinders and one A-4 which already was damaged by ground fire which was further damaged so it couldn't land, compared to eleven plus two damaged with Sidewinders.
		With TEABALL, the 555th TFW specialists, and the accompanying GCI support, it was possible for the USAF fighters who DID engage, to use their longer range weapons and negate the requirement to close to gun range.
	www.canit.se /~griffon/aviation/text/akandata.htm (1473 words)

	Airborne Guns Armament of World War II (Site not responding. Last check: 2007-11-04)
		20-mm and larger shells (cannon shells) contain a small explosive charge which goes off on impact greatly increasing the damage inflicted - the trade-off is typically a lower rate of fire, greater weight and slower muzzle velocity.
		Browning M4 37mm cannon firing 37mm x 145mm rimmed 608g round at 140 rpm.
		BK-5 cannon were installed in some Me 410 twin-engine interceptors and experimentally in the Me 262 fighter, but the war ended before testing with the latter aircraft could be completed.
	www.ww2guide.com /guns.shtml (673 words)

	Cannon-Armed F-86Fs
		A heavier cannon armament was clearly needed, but one which still preserved the high rate of fire of the machine guns which would give a higher probability of a kill during air combat.
		In order to prevent the buildup of gun gas in the cannon bays, where it could be an explosion and fire hazard, small doors were cut into the interior of the intake duct to extract the gun gas and suck it into the engine.
		The Oerlikon installation was not very successful--the guns were much heavier than the T-160s, resulting in a shift of the aircraft's center of gravity.
	home.att.net /~jbaugher1/p86_25.html (940 words)

	cars - Hispano 20 mm cannon (Site not responding. Last check: 2007-11-04)
		The Hispano fired a 130 gram (4½ oz) 20 mm x 110 mm projectile with a muzzle velocity between 840 and 880 m/s (2,755 and 2,888 ft/s), depending on barrel length.
		The British introduced the powerful 30 mm ADEN cannon in most post-war designs.
		The USAF introduced the M39 revolver cannon to replace the M24, while the Navy instead stuck with the original design with a lighter round for better muzzle velocity in the Colt Mk 12 cannon.
	www.carluvers.com /cars/HS.404 (653 words)

	General Electric GAU-8/A Avenger Cannon - US Air Force Museum Attack Aircraft Virtual Aircraft Gallery (Site not responding. Last check: 2007-11-04)
		On 16 November 1970, the Air Force issued a Request For Proposal (RFP) for a 30 mm rapid fire cannon for use in the A-X Close Air Support aircraft.
		The specifications also called for the gun to be capable of destroying hardened targets like bunkers and equipment within revetments.
		The GAU-8 wasn't ready for the AX fly-off competition between the Northrop A-9A and the Republic A-10A, so the General Electric M61A1 "Vulcan" 20 mm cannon was installed for initial weapons testing of the two aircraft.
	www.wpafb.af.mil /museum/research/attack/a6/a6-13.htm (508 words)

	Travel Guide - Online Reservation - Warsaw Accommodation
		M197 20 mm 3-barrel Gatling gun built by Martin-Marietta in the United States
		Oerlikon KAA 20 mm autocannon built in Switzerland
		Oerlikon KAB 20 mm autocannon built in Switzerland
	www.warsaw-hotel.info /poland-guide/List_of_modern_weapons (1329 words)

	Microsoft Combat Flight Simulator 2 (Site not responding. Last check: 2007-11-04)
		A 37-mm cannon firing through the propeller hub, car-type doors, and a modern tricycle undercarriage all marked the Airacobra as a forward-thinking design, but the Allison V-12 proved more reliable without a turbocharger, so the production P-39 got the downgraded engine.
		Its big, nose-mounted cannon and twin.50-caliber guns more than made up for the limited punch of its four wing-mounted.30-caliber machine guns.
		Armament: Three 7.7 mm (.303-cal) machine guns in nose, dorsal, and ventral positions, and one 20 mm cannon in tail.
	www.microsoft.com /games/combatfs2/planes.asp (4337 words)

	Machine Guns
		Automatic weapons firing projectiles larger than.50 inches in diameter, including the Oerlikon 20 mm cannon and Bofors 40 mm cannon, are generally described as destructive devices rather than machine guns, because their ammunition normally contains an explosive charge.
		Such a term is a contradiction because the legal definition of a machine gun violates the principle of one shot per each pull of the trigger.
		Larger cannon models, such as the M-61 Vulcan 20mm, are classified as automatic cannon.
	www.paladinarmory.com /MachineGuns.htm (1932 words)

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