Umikaze-class destroyer

Yamakaze at Ominato, 1926
Class overview
Name:	Umikaze class
Builders:	Maizuru Naval Arsensal Mitsubishi Nagasaki
Operators:	Imperial Japanese Navy
Preceded by:	Kamikaze class
Succeeded by:	Sakura class
In commission:	28 September 1911 — 1 June 1930
Completed:	2
Retired:	2
General characteristics
Type:	Destroyer
Displacement:	1,030 long tons (1,050 t) normal, 1,150 long tons (1,170 t)
Length:	94.5 m (310 ft) pp, 98.5 m (323 ft)
Beam:	8.6 m (28 ft)
Draught:	2.7 m (8.9 ft)
Propulsion:	3-shaft Parsons steam turbine, 8 boilers, 20,500 ihp (15,300 kW)
Speed:	33 knots (61 km/h)
Range:	850 nmi (1,570 km) at 11 kn (20 km/h)
Complement:	141
Armament:	2 × 120 mm/40 cal guns 5 × 80 mm/40 cal guns 2 × 450 mm torpedoes

The Umikaze-class destroyers (海風型駆逐艦, Umikazegata kuchikukan^?) were a class of two destroyers of the Imperial Japanese Navy. They were the first large destroyers designed for open ocean service to be built in Japan.

The Umikaze-class destroyers were designed after the Russo-Japanese War, as the Imperial Japanese Navy realized that the vessels in its current fleet of destroyers were too small and poorly designed for extended “blue water” operation.

Two vessels were built, based largely on British designs, one at Maizuru Naval Arsenal and the other at the Mitsubishi shipyards in Nagasaki.

The Umikaze-class ships were based largely on the Royal Navy Tribal-class destroyers. In terms of displacement, each vessel was almost three times larger than the previous destroyers in the Japanese Navy.

Externally, the design retained the four-smokestacks of the Ikazuchi class, however, internally the coal-fired triple expansion steam engines, were replaced with heavy oil-fired Parsons steam turbine engines, which was a first for Japan. The rated power of 20,500 shp gave the vessels a high speed of 33 knots (61 km/h), however fuel consumption severely limited range.