The Colossus-class battleships were a pair of dreadnought battleships built for the Royal Navy at the end of the first decade of the 20th century, the last 12-inch-gunned battleships built for the RN.
Colossus at anchor, shortly after completion
Right elevation and plan from Brassey's Naval Annual 1915. This diagram shows masts for HMS Neptune as the Colossus class had only a foremast, positioned behind the forward funnel.
Revenge (left) and Hercules (right) en route to the Battle of Jutland, 31 May 1916, showing how the latter's spotting top could be totally enveloped by funnel smoke
Aft turrets of Hercules
HMS Colossus (1910)
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HMS Colossus was the lead ship of her class of two dreadnought battleships built for the Royal Navy at the end of the first decade of the 20th century. She spent her whole career assigned to the Home
Colossus-class battleship (1910)
…Colossus-class ships had an overall length of 545 feet 9 inches (166.3 m), a beam of 85 feet 2 inches (26.0 m) (Hercules) or 86 feet 8 inches (26.4 m) (Colossus) and a deep draught of 29 feet 5 inches (9.0 m). They displaced 20,030 long tons (20,350 t) at normal load and 23,266 long tons (23,639 t) at deep load…
Colossus at anchor, before 1915
The 1st Battle Squadron at sea, April 1915