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24 cm Kanone 3
WW2 German siege gun
WW2 German siege gun
| Field | Value | |
|---|---|---|
| name | 24 cm Kanone 3 | |
| image | 24 cm Kanone 3.JPG | |
| image_size | 300 | |
| caption | A K 3 in the Wehrtechnische Studiensammlung Koblenz | |
| origin | Germany | |
| type | Heavy Siege Gun | |
| is_artillery | yes | |
| is_UK | ||
| service | 1939–45 | |
| used_by | Nazi Germany | |
| wars | World War II | |
| <!-- Production history --> | designer | Rheinmetall |
| design_date | 1935–38 | |
| manufacturer | Krupp | |
| production_date | 1938–44 | |
| number | 14+ | |
| variants | ||
| weight | 54,866 kg | |
| part_length | 13.102 m | |
| crew | ||
| cartridge_weight | 151.4 kg (HE) | |
| caliber | 238 mm | |
| rate | 1 rd per 4–5 min | |
| velocity | 970 m/s (3,182 ft/s) | |
| max_range | 37. km | |
| sights | ||
| breech | horizontal sliding-block | |
| recoil | dual-recoil hydro-pneumatic | |
| carriage | Box trail | |
| elevation | 0° to +56° | |
| traverse | 6° on carriage | |
| 360° on platform |
360° on platform
The 24-cm-Kanone 3 (24 cm K 3) was a German heavy siege gun used in the Second World War by the first battalion of Artillerie-Regiment 84. Four were in service when Germany invaded Poland, assigned to the first two batteries of I./AR 84, and in the Battle of France. After the Battle of France, a third battery with two additional guns was formed. With six guns, the battalion was designated to provide artillery support for the planned invasion of England (Operation Sea Lion). By Operation Barbarossa all three batteries were equipped with two guns apiece. This situation did not change for the next two years.
Design and history
The gun for the K 3 was of standard construction while the carriage was considerably more innovative. Rheinmetall placed a lot of emphasis on ease of assembly. It did not require a crane because it used electric winches, mounted on the carriage, to pull various parts through a system of inclined ramps, guide rails and runways. It also used the Rheinmetall's dual-recoil system, first seen on the 21 cm Mörser 18. The barrel recoiled normally in its cradle, but, in addition, the whole top carriage, which carried the barrel and its cradle, recoiled across the main part of the carriage. This system damped out the recoil forces and made for a very steady firing platform.
The K 3 was transported in six loads consisting of the firing platform, carriage, cradle, barrel, breech and an electric generator.
The Wehrmacht was not content with the gun's performance: "It was felt to be wasteful of time and manpower, the transport arrangements were cumbersome and the performance was not considered to be commensurate with the size of weapon." These led to experiments by Krupp and Rheinmetall to extend the range. These included "pre-grooved" projectiles which showed no significant improvement, squeeze-bore, discarding sabot and even a smoothbore version. None of these reached beyond the experimental stage.
The Bundeswehr Museum of German Defense Technology in Koblenz has one of these cannons in its collection.
Notes
References
- Engelmann, Joachim and Scheibert, Horst. Deutsche Artillerie 1934–1945: Eine Dokumentation in Text, Skizzen und Bildern: Ausrüstung, Gliederung, Ausbildung, Führung, Einsatz. Limburg/Lahn, Germany: C. A. Starke, 1974
- Gander, Terry and Chamberlain, Peter. Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939-1945. New York: Doubleday, 1979
- Hogg, Ian V. German Artillery of World War Two. 2nd corrected edition. Mechanicsville, PA: Stackpole Books, 1997
- Weapon Production Totals on Sinews of War
References
- Niehorster, Leo W. G. ''German World War II Organizational Series, Vol. 1/III: Higher Headquarters - GHQ Units - Static Units (1.09.1939)'', 2004, p. 39
- Niehorster, Leo W. G. ''German World War II Organizational Series, Vol. 2/II: Mechanized GHQ units and Waffen-SS Formations (10 May 1940)'', 1990, p. 28
- Klee, Karl. (1959). "Dokumente zum Unternehmen "Seelöwe"". Musterschmidt-Verlag.
- Niehorster, Leo W. G. ''German World War II Organizational Series, Vol. 3/II: Mechanized GHQ units and Waffen-SS Formations (22nd June 1941)'', 1992, p. 27
- Niehorster, Leo W. G. ''German World War II Organizational Series, Vol. 4/II: Mechanized GHQ units and Waffen-SS Formations (28th June 1942)'', 2004, p. 25 and ''German World War II Organizational Series, Vol. 5/II: Mechanized GHQ units and Waffen-SS Formations (4 July 1943)'', 2005, p. 44
- Hogg, p. 104
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