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| Heavy Anti-Aircraft | |||
| 105 mm-SK-C/33 | |||
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| View from above | View left side | View from fore | View from aft |
| 105 mm-SK-C/33 (Heavy Anti-Aircraft) | |||
| Gun Characteristics | |||
| Designation | 105 mm/L65 (4,1") caliber SK C/33 | ||
| Date of design | 1933 | ||
| Date in service | 1935 | ||
| No. of weapons installed | 8 on Bismarck 4 on Tirpitz (until August 1941) |
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| Locations | Four forward double mounts (Dop. L. C/31) on Bismarck Two aft double mounts (Dop. L. C/31) on Tirpitz (until August 1941) |
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| Gun weight | 4.560 kg (10.053 lbs) | ||
| Gun length oa | 6,84 m (269 in) | ||
| Length of bore | 6,348 m (249,9 in) | ||
| Number of grooves | 36 | ||
| Length of rifling | 5,531 m (217,8 in) | ||
| Chamber volume | 7,31 dm³ (446 in³) | ||
| Rate of fire | 15 rounds per gun per minute | ||
| Ammunition | |||
| Type | Cartridge - Fixed | ||
| Weight of complete round | 27,35 kg (60,3 lbs) | ||
| Projectile types and weights | AP - 15,8 kg (34,8lbs) HE - 15,1 kg (33,3 lbs) HE - Incendiary - 15,8 kg (34,8 lbs) Illum - 14,7 kg (32,4 lbs) |
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| Bursting charge | NA | ||
| Projectile length | N/A - complete round 116,4 cm (45,83 in) | ||
| Propellant charge | 6,05 kg (13,34 lbs.) | ||
| Muzzle velocity | AP - N/A HE - 900 meter per second (2.952 feets per second) Illum - 650 meter per second (2.133 feets per second) |
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| Working pressure | 2.850 kg/cm² (18 tons/in²) | ||
| Approximate barrel life | 2.950 rounds | ||
| Ammunition Inventory | 6.720 rounds in total 400 rounds per gun (designed) |
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| Range | |||
| Elevation with 15,1 kg (33,3 lbs) HE Shell | |||
| Range at 45° | 17.700 m (19.357 yards) | ||
| AA ceiling at 80° | 12.500 m (41.010 feet) | ||
| Mount/Turret Data | |||
| Weight | 27.805 kg (61.300 lbs) | ||
| Elevation | -8°/+80° | ||
| Elevation rate | 10° per second |
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| Train | 360° | ||
| Train rate | 8.0° per second |
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| Cross leveling | -17°/+17° | ||
| Cross leveling rate | 5° per second |
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| Note: | The Dop. L. C/31 was originally developed for the 88 mm AA gun used on earlier ships. This mounting was later adapted for use with the 105 mm guns. | ||
| Technical Layout - Armament | ||
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| 105 mm-SK-C/33 (Heavy Anti-Aircraft) | ||