Difference between revisions of "28 cm SK C/34 naval gun"
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Latest revision as of 21:18, 1 July 2010
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The German 28 cm C/34 naval gun was a 283 mm 54.5-caliber built-up gun designed in 1934 used on the Scharnhorst class battleships.
Contents
History
The previous 28 cm gun was the SK C/28 used on the Deutschland class. The Scharnhorst class received an improved version of the SK C/28 which had a longer barrel—the SK C/34.
The 283 mm SK C/34 gun was relatively fast loading, compared with other armament of this size. It could deliver a shot every 17 seconds. The ballistic properties of the guns made them effective against the new French Dunkerque class, which had an armored belt 225-283 mm, barbettes of 310-340 mm, at standard fighting distances.
An improved version of the gun was planned to be mounted on the Netherlands' Design 1047 battlecruisers, but the ships were never begun due to the start of the Second World War.[1]
When Gneisenau was disarmed in 1942-43 her guns were redeployed for coast defence at Fjell festning in Sotra, Norway (Bruno turret), at Batterie Oerlandat in Austrått, Norway (Cesar turret), and guns from Anton turret were installed in Denmark and the Netherlands.[2]
Characteristics
Effectiveness of the guns against armor in different situations:
| Distance[m] | 0 | 7,900 | 15,100 | 18,288 | 27,432 |
|---|---|---|---|---|---|
| Shooting angle[deg] | 0 | 3.3 | 7.4 | 9.7 | 18.7 |
| Shell hitting angle[deg] | 0 | 4.4 | 10.3 | 15.2 | 30.2 |
| Shell velocity at target[m/s] | 890 | 693 | 552 | 496 | 420 |
| Side armor belt penetration[mm] | 604 | 460 | 335 | 291 | 205 |
| Deck armor penetration[mm] | - | 19 | 41 | 48 | 76 |
Ammunition
Characteristics of SK C/28 and SK C/34 283 mm shells are in the table below:
| Gun type | Shell type | Length(calibers) | Total weight(kg) |
|---|---|---|---|
| SK C/28 | Armor-piercing | 3.7 | 300 |
| Semi-armor piercing | 4.2 | 300 | |
| Igniting | 4.2 | 300 | |
| SK C/34 | Armor-piercing | 4.4 | 336 |
| Semi-armorpiercing | 4.4 | 316 | |
| Igniting | 4.5 | 315 |
Surviving examples
- Gneisenau's Cäsar turret with its 3 guns survives at Austrått fort, Ørlandet, Norway
- Parts of the guns from Anton turret survive at former "Stichting Fort", Hoek Van Holland
See also
- 12px Media related to 28 cm SK C/34 at Wikimedia Commons
References
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<references />, or <references group="..." />External links
- DiGiulian, Tony (13 October 2006). "German 28 cm/54.5 (11") SK C/34". Navweaps.com. Retrieved 29 March 2009.
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- ↑ DiGiulian, Tony (09 October 2006). "Netherlands 28 cm/54.5 (11")". Navweaps.com. Retrieved 29 March 2009. Check date values in:
|date=(help) - ↑ DiGiulian
