As Commissioned
Upon her completion the Mutsu had a displacement of 34,116 tons while her 21 coal-fired boilers powered four geared Gihon turbines that developed a total of 82,000 shp, which allowed her to reach a trial speed of 26.728 knots (49.500 km/h; 30.758 mph).
Despite the front funnel being 2 metres (6 ft 7 in) higher than the rear one to reduce smoke interference to the gunnery control positions of the front mast, operational experience led to the front funnel being fitted with a smoke deflector in 1922 shortly after test trials were completed. To further reduce smoke interference, the top of the fore funnel was curved back 8 metres (26 ft) between August 1924 and March 1925. The Mutsu was fitted with a clipper bow in 1927.
Four twin dual purpose 5-inch (127-mm) HA (high angle) guns were installed in 1932, the existing 3-inch (76-mm) AA guns were removed.
Read more about this topic: Japanese Battleship Mutsu
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