24 cm Haubitze 39
Encyclopedia
The 24 cm houfnice vz.39 (German designation: 24 cm Haubitze 39) (Howitzer model 39) was a Czechoslovak
Czechoslovakia
Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

-designed siege howitzer
Howitzer
A howitzer is a type of artillery piece characterized by a relatively short barrel and the use of comparatively small propellant charges to propel projectiles at relatively high trajectories, with a steep angle of descent...

 used in the Second World War. It was kept in production after the German occupation of Czechoslovakia
German occupation of Czechoslovakia
German occupation of Czechoslovakia began with the Nazi annexation of Czechoslovakia's northern and western border regions, known collectively as the Sudetenland, under terms outlined by the Munich Agreement. Nazi leader Adolf Hitler's pretext for this effort was the alleged privations suffered by...

 in March 1939 and a total of eighteen was delivered to the Germans. It was only used by the Army's Artillery Regiment 814 once it entered service shortly before the Battle of France
Battle of France
In the Second World War, the Battle of France was the German invasion of France and the Low Countries, beginning on 10 May 1940, which ended the Phoney War. The battle consisted of two main operations. In the first, Fall Gelb , German armoured units pushed through the Ardennes, to cut off and...

 in 1940. The regiment participated Operation Barbarossa
Operation Barbarossa
Operation Barbarossa was the code name for Germany's invasion of the Soviet Union during World War II that began on 22 June 1941. Over 4.5 million troops of the Axis powers invaded the USSR along a front., the largest invasion in the history of warfare...

 and in the Sieges of Sevastopol and Leningrad
Siege of Leningrad
The Siege of Leningrad, also known as the Leningrad Blockade was a prolonged military operation resulting from the failure of the German Army Group North to capture Leningrad, now known as Saint Petersburg, in the Eastern Front theatre of World War II. It started on 8 September 1941, when the last...

.

Description and development

Škoda
Škoda Works
Škoda Works was the largest industrial enterprise in Austro-Hungary and later in Czechoslovakia, one of its successor states. It was also one of the largest industrial conglomerates in Europe in the 20th century...

 designed it for export and Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 ordered a batch, but only received two before the Germans occupied Czechoslovakia
Czechoslovakia
Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

 in March 1939. It was a stablemate of the Škoda 21 cm Kanone 39
21 cm Kanone 39
The 21 cm Kanone 39 was a Czech-designed heavy gun used by the Germans in the Second World War. Two were built before the Germans occupied Czechoslovakia in March 1939 and seized the rest of the guns and kept it in production for their own use, eventually building a total of 60 guns for...

 and used virtually the same mounting and transport arrangements. It used an interrupted screw
Interrupted screw
An interrupted screw or interrupted thread is a mechanical device typically used in the breech of artillery guns. It was invented circa 1845....

 breech
Breech-loading weapon
A breech-loading weapon is a firearm in which the cartridge or shell is inserted or loaded into a chamber integral to the rear portion of a barrel....

 with a deBange obdurator to provide the gas seal with bagged propellant. The carriage revolved on a ball-race firing platform that had to be dug-in before firing, a task that took six to eight hours to accomplish. It broke down into three loads for transport, the barrel, carriage and the ground platform. A modified version entered service in 1942 as the H 39/40 although the changes merely simplified production. A total of eighteen were delivered to Germany.

Ammunition

It used both Czechoslovak and German-designed ammunition. The Czechoslovak-designed 24 cm Gr 39(t) HE
Explosive material
An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure...

 shell had a weight of 166 kilograms (366 lb). It used both nose and base fuses, two copper
Copper
Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; an exposed surface has a reddish-orange tarnish...

 driving band
Driving band
The driving band or rotating band is part of an artillery shell, a band of soft metal near the middle of the shell, typically made of gilding metal, copper or lead...

s and contained a 23.66 kilograms (52.2 lb) bursting charge of TNT. The German copy, the 24 cm Gr 39 umg had only a German nose fuze, soft-iron driving bands and a smaller charge of 22.9 kilograms (50.5 lb). It also used a Czechoslovak-designed anti-concrete shell, the 24 cm Gr 39 Be, that had copper driving bands. It used 5 bagged charges that were enclosed in a single larger bag. Increments were simply removed to adjust range as necessary.

Combat history

The 1st Battalion of Artillery Regiment 814 was formed on 15 March 1940 with four batteries of H39s. A month later the Third and Fourth Batteries were used to form the 2nd battalion of the regiment. The 2nd Battalion was still forming when the Battle of France
Battle of France
In the Second World War, the Battle of France was the German invasion of France and the Low Countries, beginning on 10 May 1940, which ended the Phoney War. The battle consisted of two main operations. In the first, Fall Gelb , German armoured units pushed through the Ardennes, to cut off and...

 began on 10 May 1940, but the 1st Battalion was assigned to the reserves of Army Group B
Army Group B
Army Group B was the name of three different German Army Groups that saw action during World War II.-Battle for France:The first was involved in the Western Campaign in 1940 in Belgium and the Netherlands which was to be aimed to conquer the Maas bridges after the German airborne actions in Rotterdam...

, but it is uncertain if they saw any combat during the campaign. The regiment was assigned to 1st Panzer Group in Army Group South
Army Group South
Army Group South was the name of a number of German Army Groups during World War II.- Poland campaign :Germany used two army groups to invade Poland in 1939: Army Group North and Army Group South...

for Operation Barbarossa
Operation Barbarossa
Operation Barbarossa was the code name for Germany's invasion of the Soviet Union during World War II that began on 22 June 1941. Over 4.5 million troops of the Axis powers invaded the USSR along a front., the largest invasion in the history of warfare...

. It was transferred to 11th Army
11th Army (Germany)
The 11th Army was a World War I and a World War II field army.-World War I:The 11th Army was formed in early 1915. It briefly fought on the Western Front during the Battle of Ypres, holding the line against the allied attack...

for the siege of Sevastopol in late 1942—42. It accompanied that army as part of its siege train when it was transferred north to attack Leningrad
Siege of Leningrad
The Siege of Leningrad, also known as the Leningrad Blockade was a prolonged military operation resulting from the failure of the German Army Group North to capture Leningrad, now known as Saint Petersburg, in the Eastern Front theatre of World War II. It started on 8 September 1941, when the last...

 in the late summer of 1942. It remained under the command of Army Group North
Army Group North
Army Group North was a German strategic echelon formation commanding a grouping of Field Armies subordinated to the OKH during World War II. The army group coordinated the operations of attached separate army corps, reserve formations, rear services and logistics.- Formation :The Army Group North...

until it re-equipped with smaller guns in July 1944. Nothing is known of any units that might have been equipped with the howitzers after July 1944. Artillery Regiment 814 is the only unit known to have been equipped with the H39 howitzer.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK