HMS Hecate (1871)
HMS "Hecate" was the last ship completed of the four breastwork monitors built for the Royal Navy during the 1870s. Design and description. The "Cyclops"-class ships were modified versions of the "Cerberus" class. The ships had a length between perpendiculars of , a beam of , and a draught of at deep load. They displaced . Their crew consisted of 156 officers and men. "Hydra" had two 4-cylinder inverted compound steam engines, each driving a single propeller shaft. The engines produced a total of during the ship's sea trials which gave her a maximum speed of . The ships  carried of coal, enough to steam at . The ships mounted four 10-inch rifled muzzle-loading guns in twin-gun turrets fore and aft of the superstructure. The guns could fire both solid shot and explosive shells. They were mounted on carriages that used hydraulic jacks to elevate and depress the guns. The "Cyclops" class had a complete waterline belt of wrought iron that was thick amidships and thinned to at the ends. The superstructure and conning tower was fully armoured, the reason it was called a breastwork, with of wrought iron. The gun turrets had 10 inches on their  faces and 9 inches on the sides and rear. All of the vertical armour was backed by of teak. The decks were thick. Construction. Together with her sister ships, and , she was placed on the non-effective list of ships in January 1902, and sold for scrap the following year.