28 cm SK C/34 naval gun
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.
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.
Effectiveness of the guns against armor in different situations:
|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|
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)|
- 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
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- DiGiulian, Tony (13 October 2006). "German 28 cm/54.5 (11") SK C/34". Navweaps.com. Retrieved 29 March 2009.
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