German Helgoland-class
British Lord Nelson-class
Japanese Satsuma-class
Austrian Radetzky-class
French Danton-class
Notes
1. Of the Helgoland-class consisting of the Helgoland, Ostfriesland, Thüringen and Oldenburg. Preceded by the Nassau-class and succeeded by the Kaiser-class. General technical specifications of this class. Displacement 22.808 tons/22.448 long tons (design)-24.700 tons/24.300 long tons (full load) and as dimensions 167,20 (over all) x 28,50 x 8,94 metres or 548.7 x 93.6 x 29.4 feet. The 3 shaft 4 cylinder vertical triple engines divided over 3 engine rooms and 12 boilers supplied 27.617-35.104 (trials) ihp allowing a speed of 20,5 -21,3 (trials) knots and with a speed of 10 knots a range of 5.500 nautical miles. Originally a bunker capacity of 3.200 ton/3.150 long tons coal increased later with 197 tons/194 long tons oil which was sprayed over the coal to obtain a higher burn rate. The crew numbered 1.1113 men. The armament consisted of 6x2-30,5cm/12.0” L/50 quick firing guns, 14-15cm/5.9” L/45 quick firing guns, 14-8,8cm/3.5” L/45 quick firing guns (after 1914 were 2 of these guns replaced by 2-8,8cm Flag guns and between 1916-1916 were the another 1 guns removed) and 6-50cm/20” submerged torpedo tubes (1x bow, 1x stern, 2 each broadside). The armour consisted of a 30cm/12” thick belt, 6,3cm/2.5” thick deck with the barbettes and gun turrets protected by 30cm thick armour.
2. Of the Lord Nelson-class consisting of the Lord Nelson and the Agamemnon which were the last pre-dreadnoughts. Preceded by the Swiftsure-class and succeeded by the Dreadnought. Designed by Sir Philip Watts. Displacement 15.604 tons/15.358 long tons (normal)-16.350 tons/16.090 long tons (load)-18.110 tons/17.820 long tons (deep load) and as dimensions 135,2 x 24,2 x 7,9 metres ot 443.6 x 79.6 x 26.0 feet, The two vertical triple expansion steam engine and 15 Babcock&Wilcox water tube boilers supplied via 2 shafts 16.750 ihp allowing a speed of 18 knots and with a speed of 10 knots a range of 9.180 nautical miles. Her crew numbered around 1750 (peacetime)-800/817 (in wartime). The armour consisted of a main belt with a thickness of 30,5cm/12” amidships decreasing forward to 5,1-15,2cm/2-6”, the decks were 3,8cm/1.5” in the main part thick, in the middle 2,5-10,2cm/1-4” and lower 7,62cm/3” thick, a bulkhead aft of 20,3cm/8” thickness with the 12” gun turrets, 9.2” gun turrets, barbettes, citadel and conning tower protected by respectively 30,5cm/1”, 17,8cm/7”, 30,5cm/12”, 2,3cm/8” and 30,5cm/12”. The armament consisted of 2x2-30,5cm/12”Mk X guns, 4x2&2x1-23,4cm/9.2” breech loading Mk XI guns, 24x1-12pd 18cwet quick firing guns, 2x1-3pd guns and 5 submerged 45cm/17.72” torpedo tubes for which 23 torpedoes were taken on board
3. Of the Satsuma-class consisting of the Satsuma and the Aki ordered under the 1904 War Naval Supplementary Program when Japan was in war with Russia (8 February 1904-5 September 1905). Preceded by the Katori-class and succeeded by the Kwawachi-class. Displacement 19.683 tons/19.372 long tons and as dimensions 146,9 (over all) x 25,5 x 8,4 (standard) or 482 x 83.6 x 27.6 feet. Crew numbered between 800-940 men.
Fitted out with a pair pf vertical triple expansion steam engines with 20 oil fuel-coal fired Miyabara water tube boilers delivering totally 17.300 (design)-18.507 (sea trials) ihp and with one screw allowing a speed of 18,25 (design)-18,95 (sea trials) knots. With a speed of 10 knots was her range 9.100 nautical miles. The armour consisted of a 10,2-22,9cm/4-9” thick Krupp cemented belt, 5,1-7,6cm/2-3” thick deck with the gun turrets, casemates and conning tower protected by respectively 17,8-22,9cm/7-9”, 15,2cm/6” and 15,2cm/6”. According to the preliminary designs was the intention this class with 12-30,5cm/12” guns but lacking sufficient numbers of guns in Japan and reducing the building costs was the armament radically changed. It consisted of 2x2-30,5cm/12” 45cal 41st Year Type guns, 6x2-25,4cm/10” cal 45 type 41 guns, 12x1-11,9cm/4.7”40 cal quick firing guns 8x1-7,6cm/3” 12 pd (4-40 cal, 4-28c al) guns and 5 submerged45,7cm/18” torpedo tubes (stern 1, broadsides each 2).
4. The Radetzky-class semi dreadnought battleships consisted of the Radetzky, Erzherzog Franz Ferdinand and Zrinyi. General technical specifications of this class. Displacement 14.741 tons/14.508 long tons (standard)-16.099 tons/15.845 long tons (full combat load) and as dimensions 137,5 (waterline)-138,8 (overall) x 24,6 x 8,1 metres or 451.1-455.5 x 81 x 26.7 feet. Two shaft 4-cylinder vertical triple expansion steam engines and 12 Yarrow-type coal-fired boilers supplied 20.000 hp allowed a speed of 20,5 knots and with a speed of 10 knots and a coal bunker capacity of 1.350 tons a range of 4.000 nautical miles. Their crew numbered 890 men. The armour consisted of a 23cm/9.1” thick belt, 4,8cm/1.9” thick deck, 5,4cm/2.1” thick bulkheads with the main gun turrets, secondary gun turrets, casemates and conning tower protected by respectively 25c,/9.8”, 20cm/7.9”, 12cm/4.7” and 25cm/9.8”. The armoured double bottom was to protect against torpedoes and mines. The armament consisted of 2x2-30,5cm/12” 45cal Skoda guns, 4x2-24cm/9.4” guns, 20-10cm/3.9” quick firing guns, 4-3,7cm/1.5” guns and 3-45cm/18” torpedo tubes (each beam 1, stern 1).
5. Of the Danton-class consisting of the Condorcet, Danton, Diderot, Mirabeau, Vergniaud and Voltaire. Preceded by the Liberté-class and succeeded by the Courbet-class. Due to the huge number of changes of the original design and lacking decisions of the French minister of navy Gaston Thomson (29 January 1848, Oran, French Algeria-14 May 1932 Bône, Algeria) in time caused a serious delay in realizing the class. General technical specifications of this class. Displacement 18.754 tons/18.458 long tons (normal)-19.763 tons/19.451 long tons (deep load) and as dimensions 145 (on waterline)-146,6cm (over all) x 25,8 x 8,44 metres or 475.9-481.0 x 84.8 x 27.8 feet. The 4 License built Parsons steam turbines and 26 coal-fired Belleville or Niclausse water tube-boilers supplied via 4 shafts 22.500 shp allowing a speed of 19,25 (design)-19,7/20,66 (trials) knots and with a speed of 12 knots and a maximum coal bunker capacity of 2.027 tons/1.995 tons varied the range between 3.120-4.866 nautical miles. The range was nearly the half of the preceded classes caused by the worse economical fuel consumption of the turbines at low speeds. The crew numbered 915 men if she served as flagship otherwise 852 men. The armour with a weight of 6.725 tons which was 36% of their displacement consisted of a 18-25cm/7.1-9.8” thick belt, a 4,5-7cm/1.8-2.8” thick deck and with the main gun turrets, secondary turrets and conning tower protected by respectively 26-34cm/10.2-13.4”, 18,8-22,5cm/7.4-8“ and 21,6-26,6cm/8,5-1’.5” thick deck. The armament consisted of 2x2-30,5cm/12”/45 Modèle 1906 guns, 6x2-24cm9.4”/50 Modèle 1902 guns, 16x1-7,5cm/3.0”/65 Modèle 1908 Schneider guns, 10x1-4,7cm/1.9“ Hotchkiss guns and 2-45cm/17.7” submerged torpedo tubes (each broadside 1).
