The German 28 cm C/28SK – Schnelladekanone (quick loading cannon); C – Construktionsjahr (year of design) was a 283 mm 52-caliber built-up gun designed in 1928 and used on the cruisers.
History 28 cm SK C/28 naval gun were used on the famous Panzerschiffes - Lützow (ex-Deutschland), Admiral Scheer and Admiral Graf Spee. For needed elevation turrets were fitted with RPC.
Shells used in the guns were of inferior ballistic characteristics when compared to successor 28 cm SK C/34.
Characteristics Characteristics of SK C/28 and the later SK C/34 283 mm shells are in the table below: Gun type Shell type Length(calibers) Total weight SK C/28 Armor-piercing 3.7 Semi-armor-piercing 4.2 Igniting 4.2 SK C/34 Armor-piercing 4.4 Semi-armorpiercing 4.4 Igniting 4.5
Performance of the SK C/28 at different ranges, firing a 300 kg armour-piercing projectile :Tony diGiulian, http://www.navweaps.com/Weapons/WNGER_11-52_skc28.htm
Distance Shooting angle[deg] 1.9 4.5 8.0 12.5 18.6 26.3 36.4 40.0 Shell hitting angle[deg] 2.4 6.0 11.8 21.4 34.2 46.4 56.0 - Shell velocity at target ? -
See also List of naval guns 28 cm SK C/34 naval gun
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