Ron van Maanen
At Devonport was on Thursday 28 October the newest British cruiser the Indefatigable (1) launched. She was an improved Invincible design with a measurement 2,000 tons larger and now being 19,000 tons. Her engines supplied 4,000 ihp allowing a speed of 25 knots. The coal bunker capacity was 2,500 tons. Her dimensions were 556 x 80 25’6” feet. The armour was 8” thick, one inch more as the common thickness. Her main armament of 8-12” guns was similar to the Invincible but she possessed more guns of lighter calibre. Further more was she fitted out with better defence equipment against torpedoes.
The above can be found on the url http://en.wikipedia.org/wiki/File:HMS_Indefatigable_(1909).jpg
This is photograph No. SP 392 from the Imperial War Museum collection No. 1900-01
Note
1. A battle cruiser laid down at the Devonport Dock yard on 23 February 1909 ordered by the 1908-1909 Naval Programme and launched on 28 October that same year, commissioned on 24 February 1911 and sunk during the battle of Jutland against German naval forces on 31 May 1916 . Only ship of her class with a displacement of 18,500 long tons/18,800 tons-22,130 long tons/22,485 tons (deep load) and as dimensions 179,8 x 24,4 x 9,07 metres (deep load) or 590’x 80’x 29’9”. Her two Parsons steam turbines and 31 Babcock&Wilcox coal fired boilers supplied 43,000 shp allowing a speed of 25 knots. The armament consisted of 4x2-12’ guns, 16x1-4’ guns and 2x1-17.72’ submerged torpedo tubes. Her armour consisted of a 4-6” belt, 1.5-2.5” thick decks, 2.5” torpedo bulkheads while the conning tower was protected by 4-10”and the barbettes and gun turrets by 7”.
