The was a

class Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differently ...

of two

protected cruiser Protected cruisers, a type of naval cruiser of the late-19th century, gained their description because an armoured deck offered protection for vital machine-spaces from fragments caused by shells exploding above them. Protected cruisers re ...

s of the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...

built in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

at the end of the 19th century.

Background

The ''Kasagi''-class cruisers were ordered under the 1896 Emergency Fleet Replenishment Budget, funded by the

war indemnity War reparations are compensation payments made after a war by one side to the other. They are intended to cover damage or injury inflicted during a war. History Making one party pay a war indemnity is a common practice with a long history. R ...

received from the Empire of China as part of the settlement of the

Treaty of Shimonoseki The , also known as the Treaty of Maguan () in China and in the period before and during World War II in Japan, was a treaty signed at the , Shimonoseki, Japan on April 17, 1895, between the Empire of Japan and Qing China, ending the Firs ...

ending the

First Sino-Japanese War The First Sino-Japanese War (25 July 1894 – 17 April 1895) was a conflict between China and Japan primarily over influence in Korea. After more than six months of unbroken successes by Japanese land and naval forces and the loss of the p ...

. Unlike previous vessels, which had been acquired from European shipyards, the Japanese government turned this time to the United States.

Design

The ''Kasagi''-class cruisers were externally based on the design of the British built cruiser – a typical Elswick cruiser design, with a steel hull, divided into waterproof compartments, a low

forecastle The forecastle ( ; contracted as fo'c'sle or fo'c's'le) is the upper deck of a sailing ship forward of the foremast, or, historically, the forward part of a ship with the sailors' living quarters. Related to the latter meaning is the phrase " ...

, two smokestacks, and two masts, but with slightly larger displacement and overall dimensions. However, internally the arrangement of the structure was quite different. The

prow The bow () is the forward part of the hull of a ship or boat, the point that is usually most forward when the vessel is underway. The aft end of the boat is the stern. Prow may be used as a synonym for bow or it may mean the forward-most part ...

was reinforced for

ramming In warfare, ramming is a technique used in air, sea, and land combat. The term originated from battering ram, a siege weapon used to bring down fortifications by hitting it with the force of the ram's momentum, and ultimately from male sheep. Thus, ...

. The power plant was a triple expansion reciprocating

steam engine A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be ...

with four cylindrical boilers, driving two screws.Chesneau, '' Conway's All the World's Fighting Ships 1860–1905'', page 230. Armament consisted of two 20.3 cm/45 Type 41 naval guns in the

main battery A main battery is the primary weapon or group of weapons around which a warship is designed. As such, a main battery was historically a gun or group of guns, as in the broadsides of cannon on a ship of the line. Later, this came to be turreted ...

and ten QF 4.7-inch guns and twelve

QF 12-pounder 12 cwt naval gun The QF 12-pounder 12-cwt gun (abbreviated as Q.F. 12-pdr. (12-cwt.)Gun ...

s mounted on the sides. In addition, each ship was equipped with six

QF 3-pounder Hotchkiss The QF 3-pounder Hotchkiss or in French use Canon Hotchkiss à tir rapide de 47 mm were a family of long-lived light naval guns introduced in 1886 to defend against new, small and fast vessels such as torpedo boats and later submarines. T ...

guns and four

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

Ships in class

''Kasagi'' was built by

William Cramp & Sons William Cramp & Sons Shipbuilding Company (also known as William Cramp & Sons Ship & Engine Building Company) of Philadelphia was founded in 1830 by William Cramp, and was the preeminent U.S. iron shipbuilder of the late 19th century. Company hi ...

Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...

. She was laid down on 13 February 1897 and launched on 20 January 1898. She served in the

Boxer Rebellion The Boxer Rebellion, also known as the Boxer Uprising, the Boxer Insurrection, or the Yihetuan Movement, was an Xenophobia, anti-foreign, anti-colonialism, anti-colonial, and Persecution of Christians#China, anti-Christian uprising in China ...

and the

Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...

and took part in the

Battle of the Yellow Sea The Battle of the Yellow Sea ( ja, 黄海海戦, Kōkai kaisen; russian: Бой в Жёлтом море) was a major naval battle of the Russo-Japanese War, fought on 10 August 1904. In the Russian Navy, it was referred to as the Battle of 10 A ...

and again at the

Battle of Tsushima The Battle of Tsushima (Japanese:対馬沖海戦, Tsushimaoki''-Kaisen'', russian: Цусимское сражение, ''Tsusimskoye srazheniye''), also known as the Battle of Tsushima Strait and the Naval Battle of Sea of Japan (Japanese: 日 ...

. She ran aground in heavy weather in the

Tsugaru Strait The is a strait between Honshu and Hokkaido in northern Japan connecting the Sea of Japan with the Pacific Ocean. It was named after the western part of Aomori Prefecture. The Seikan Tunnel passes under it at its narrowest point 12.1 miles (1 ...

between

Honshū , historically called , is the largest and most populous island of Japan. It is located south of Hokkaidō across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyūshū across the Kanmon Straits. The island sepa ...

and

Hokkaidō is Japan, Japan's Japanese archipelago, second largest island and comprises the largest and northernmost Prefectures of Japan, prefecture, making up its own List of regions of Japan, region. The Tsugaru Strait separates Hokkaidō from Honshu; th ...

en route to

Akita is a Japanese name and may refer to: Places * 8182 Akita, a main-belt asteroid * Akita Castle, a Nara period fortified settlement in Akita, Japan * Akita Domain, also known as Kubota Domain, feudal domain in Edo period Japan * Akita, Kumamoto ...

on 20 July 1916, suffering a major hull breach and sank on 10 August of the same year.

''Chitose'' was built by the

Union Iron Works Union Iron Works, located in San Francisco, California, on the southeast waterfront, was a central business within the large industrial zone of Potrero Point, for four decades at the end of the nineteenth and beginning of the twentieth centuries ...

San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...

. She laid down on 16 May 1897 and was launched on 23 January 1898. She served in the Russo-Japanese War and in World War I. Downgraded to a 2nd Class Coastal Defense Vessel on 1 September 1921, and partially disarmed she was removed from the

navy list A Navy Directory, formerly the Navy List or Naval Register is an official list of naval officers, their ranks and seniority, the ships which they command or to which they are appointed, etc., that is published by the government or naval author ...

on 1 April 1928 and sunk as a target on 19 July 1931.

Notes

References

* * * * * *

External links

{{WWI Japanese ships Cruiser classes