British King George V-class
An item referred to the magazine Marine Rundschau dated April 1938 which reported that the under water protection of the British King George V-class (1) demanded 5% of the total weight of the ship, the horizontal protection 6,2% and the aircraft attack protection 4,7%. For the Nelson were the comparable figures 4½, 11 and 3½%.(2) The total protection demanded 40% against the 34% of the battle cruiser Hood. The armour of the French Dunkerque and Strasbourg supplied protection against 500 ton bombs thrown form a height of 2,5 kilometres.(3)
1. King George V-class consisting of the King George V, Prince of Wales, Duke of York, Anson and Howe had a deep load displacement of 42.923 tons, a speed of 28,3 knots and a main armament of 2x4&1x210-35,6cm/14” Mark VII guns (2x4&1x2). Main belt 37cm/14.7”, lower belt 14cm/5.4 and the deck 12,7/5”-15,2cm/16” thickness.
2. The Nelson-class consisting of the Nelson and Rodney had a displacement of 33.950 (standard)-41.250 (full load) tons, a speed of 23 knots and a main armament of 3x3-40,6cm/16” Mk I guns. Belt 13-14”, middle deck 4,25-6.25”and lower deck 6.26”.
3. Dunkerque-class consisting of the Strasbourg and Dunkerque with a displacement of 26.500 (design standard)-35.000 (Dunkerque)/36.300 (Strasbourg), a speed of 30,90-31,06 knots and a main armament of 2x4-33cm/13” guns. Belt 22,5cm (Dunkerque) and 28,3cm Strasbourg.