Back 3,7 cm SKC/30 Bulgarian Canó SK C/30 de 3,7 cm Catalan 3,7-cm-Schnelladekanone C/30 German Canon de 3,7 cm SK C/30 French 3.7 cm SK C/30 Japanese 3,7 cm armata przeciwlotnicza SK C/30 Polish 3,7 cm SK C/30 Russian 3,7 cm SK C/30 Swedish 37-мм зенітна гармата SKC/30 Ukrainian 37毫米SK C/30型速射炮 Chinese
| 3.7 cm SK C/30 | |
|---|---|
 3.7 cm SK C/30 on a Dopp L C/30 stabilized mount | |
| Type | Anti-aircraft cannon |
| Place of origin | Nazi Germany |
| Service history | |
| In service | 1935–1966 |
| Used by | Nazi Germany Spain |
| Wars | Second World War |
| Production history | |
| Designer | Rheinmetall |
| Designed | 1930–1935 |
| Manufacturer | Rheinmetall |
| Produced | 1935–1943 |
| Variants | 3.7 cm SK C/30U |
| Specifications | |
| Mass | 243 kilograms (536 lb) |
| Length | 3.074 metres (10 ft 1 in) |
| Barrel length | 2.962 metres (9 ft 9 in) L/83 |
| Shell | fixed, cased charge |
| Shell weight | 0.68 kilograms (1 lb 8 oz) |
| Caliber | 37 x 380 mm R |
| Action | single-shot |
| Breech | semi-automatic, vertical sliding-block |
| Elevation | depends on the mount |
| Traverse | 360° |
| Rate of fire | 30 rpm (practical) |
| Muzzle velocity | 1,000 m/s (3,300 ft/s) |
| Effective firing range | 2,000 m (6,600 ft) (effective ceiling) |
| Maximum firing range | 8,500 m (9,300 yd) at 37.5° |
The 3.7 cm SK C/30[Note 1] was the German Kriegsmarine's primary 3.7 cm (1.5 in) anti-aircraft gun during the Second World War. It was superseded by the fully automatic 3.7 cm FlaK 43 late in the war.
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