30 mm ammunition is typically not used against personnel, but rather as an anti-materiel or armor-piercing round.Rounds of this size can be effective against lightly armored vehicles as well as fortified bunkers. The pilot was a very lucky man. Almost a foot long of breaching power! The 30mm cannon permits a 500-meter greater effective range over the M242. There are 10 millimeters (mm) in 1 centimeter (cm) and 2.54 centimeters in 1 inch (in). A hit to the engine block is likely to be more devastating and a 'lucky' hit to a half empty fuel tank full of gasoline vapors can also be devastating (especially if the bullet is a tracer or has a phosphor tip) but that's more a matter or luck. Also, explore tools to convert millimeter or caliber to other length units or learn more about length conversions. In addition to that, a 20mm shell weighting 90-130 grams can also defeat the plane armor something that a .50mm machine gun cannot always reliably do. The RAF chose 8 LMG's because a 2 second burst put 300 projectiles into the enemy aircraft which gave the best chance of incapacitating the pilot, it's the reason why late war MkXIV's still carried the .303. As long as you have a firm grip the 1" will do you well. The millimeter [mm] to caliber [cl] conversion table and conversion steps are also listed. 10mm FTW based on the choices given. Over 300 hits is the statistical average of what was found it took to shoot down a fighter. I would be hesitant to recommend two guns of different calibers that are as close as 25 and 30 mm, but there is an easy fix in this case. 50 cal. It is massive! 20mm cannon vs 50 caliber machine guns . JavaScript is disabled. It takes a Spit Mk.1 about 3 seconds to fire off 300 rounds of ammo. A 50 mm 'hole of barrel' would be a mighty big bore but we got 'em bigger than that. In 1934 the Air Ministry had decided to accept the advice of the Operational Requirements Branch that in view of the increasing speeds of both fighter and bomber aircraft, gun firing opportunities would be brief, so a six or preferably eight-gun battery should be installed in fighters. The weight of this bullet is a hardy piece of the action. Though lethal against individual soldiers, 20 mm ammunition is so large and heavy that its effects are inefficiently utilized on such relatively small targets. 10 mm to caliber = 0.3937 caliber. 2 caliber to mm = 50.8 mm. Until shells became common, it was pretty much universal. The main deciding factor of cannon vs machine guns is in the 'terminal ballistics'. Bottle Breacher is currently in the process of bringing authentic 20mm once fired Brass into production. Taken from the A10 Thunderbolt. The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Like most cannon ammunition, 20 mm caliber weapons are typically used against large targets such as vehicles, buildings, or aircraft. Thus an idea of eight-gun fighter was born. By far our largest Bottle Breacher to date. In 1939 the RAF’s new Spitfires and Hurricanes were remarkable for their heavy battery of eight wing-mounted 0.303 inch (7.… An LMG round can easily be deflected by an aircraft rib and its ability to penetrate fuel tanks with enough effect to damage the self sealing properties is low. I know that’s naval tradition. The 20mm cannon round is still used today in the armed forces. < > Showing 1-14 of 14 comments . Use this page to learn how to convert between caliber and millimetres. Registered. The Mk38 mod2 can also take the same 30mm gun as found in the Mk46 mount so that they could share ammunition. If I want 50 caliber, I'll go with a S&W or Taurus. Prior to the introduction of the NATO round of .762 mm small arms ammunition of American manufacture are based on hundreths of an inch. The .50 BMG cartridge was developed for the Browning .50 Caliber machine gun in the late 1910s, we now take these recycled/once fired rounds and make them into the best man gifts on the market! Type in your own numbers in the form to convert the units! A bigger Bottle Breacher; is the round fired out of an attack helicopter or air craft. From the picture of a Spitfire hit by 3 or 4 cannon rounds posted here a few times, the side of the fuselage opposite to where the hits occurred ceased to be a stressed skin structure, not only pierced by many fragments of shrapnel but also blown out like a balloon. It provided effective short-range defense against aircraft that the .50-caliber Browning or the quad 1.1-inch could not. The Difference between cal .50 and 20mm is that cal .50 is a MG (MachineGun) and the 20mm is an MK(Machinecannon in german Maschienenkannone) so that means 20mm is a quickfiring automatic gun fires 20mm shells with varios warheads (Explosives, Mines etc) the 20mm was Designed and used as light AA-Gun but we all that we Germans are not soo dump we explored the use of 20mm AA Gun vs … 1200 rds of 5.56 will fit in to a 50 cal ammo can. 3 caliber to mm = 76.2 mm. Since aircrafts are made mostly of aluminum it's safe to assume that any bullet travelling fast enough will pierce through skin, structure elements, tanks, etc and will go on wasting most of its kinetic energy in its arced trajectory down to earth. The staff at Bottle Breacher used to use .50 Caliber ammunition to defend our country down range, it is now used to provide jobs for our veterans. Instant free online tool for millimeter to caliber conversion or vice versa. vs 20mm Which are better/what are their characteristics? Jul 23, 2017 @ 2:33pm Currently, .50 cal perform better than 20mm, because .50 cal's got a buff where they penetrate better at longer ranges, and because there's so many of them they are very strong at causing fires.
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