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The 8.8 cm KwK 36 was derived from the 8.8 cm Flak 36 anti-aircraft gun by adapting/modifying it to the limited space available in tank turrets. Parts of the KwK 36 were built to practically the same design as the 75-millimetre (3.0 in) and 50-millimetre (2.0 in) guns already used in German tanks.
The name of the gun applies to a series of related guns, the first one officially called the 8.8 cm Flak 18, the improved 8.8 cm Flak 36, and later the 8.8 cm Flak 37. [ N 2 ] Flak is a contraction of German Flugabwehrkanone (also referred to as Fliegerabwehrkanone ) [ 11 ] [ N 3 ] meaning "aircraft-defense cannon", the original purpose of the ...
The 8.8 cm SK C/31 gun weighed 4,255 kilograms (9,381 lb), had an overall length of 6.87 meters (22 ft 6 in) and its bore length was 6.341 meters (20 ft 9.6 in). It used a vertical sliding-block breech design.
Eventually these guns were replaced by the new 8.8 cm SK C/31 naval gun, 8.8 cm SK C/32 naval gun or the 10.5 cm Flak 38, with most ships being refitted by 1939. [ 6 ] During the 1930s surviving SK L/45 guns were modified to use the same ammunition as the 8.8 cm SK C/30 naval gun and had similar performance.
The 8.8 cm SK L/30 was a widely used naval gun on World War I pre-dreadnoughts, cruisers, coastal defence ships, avisos, submarines and torpedo boats in both casemates and turrets. Its primary use on pre-dreadnoughts, cruisers and coastal defence ships was as an anti-torpedo boat gun, while on avisos, submarines and torpedo boats it was their ...
For example, if the static compression ratio is 10:1, and the dynamic compression ratio is 7.5:1, a useful value for cylinder pressure would be 7.5 1.3 × atmospheric pressure, or 13.7 bar (relative to atmospheric pressure). The two corrections for dynamic compression ratio affect cylinder pressure in opposite directions, but not in equal strength.
The barrel for the 8.8 cm K.Zugflak L/45 was built from steel and was 45 calibers in length. The gun had a semi-automatic Krupp horizontal sliding-wedge breech to boost its rate of fire. There was a hydro-pneumatic recoil system located above and below the barrel, along with an equilibriator to balance the gun. The gun was capable of 360° of ...
The 12.8 cm Pak 44 ended up becoming the standard main armament for the Jagdtiger heavy tank destroyer and a tank gun variant was the planned main armament for many future super-heavy tank designs in development during the last months of World War II, including the fully turreted Panzerkampfwagen Maus and E-100, as the 12,8 cm KwK 44 L/55 main gun.