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Russian monitor Admiral Greig : ウィキペディア英語版 | Russian monitor Admiral Greig
The Russian monitor ''Admiral Greig'' was the second and last of the two s built for the Imperial Russian Navy in the late 1860s. She was assigned to the Baltic Fleet upon completion and remained there for her entire career. Aside from one accidental collision, the ship's service was uneventful. She was reclassified as coast-defense ironclad in 1892 before she became a training ship later that decade. ''Admiral Greig'' was stricken from the Navy List in 1909 and scrapped in 1912. ==Design and description==
The ''Admiral Lazarev''-class monitors were significantly larger than their predecessors, the , and had an overall length of , a beam of and a maximum draft of . The ships were designed to displace , but turned out to be overweight and actually displaced . They were fitted with a plough-shaped ram. The ''Admiral Lazarev''s had a double bottom and their hulls were subdivided by six main watertight bulkheads. Their crew consisted of 269–74 officers and crewmen. The ''Admiral Lazarev''-class ships had a single two-cylinder horizontal direct-acting steam engine that drove a single propeller, using steam provided by four rectangular fire-tube boilers. The engine was designed to produce a total of which gave the ships speeds between when they ran their initial sea trials in 1871. The ''Admiral Lazarev'' class carried of coal which gave them a range of about at a speed of 9 knots. They were fitted with a light fore-and-aft sailing rig to steady her and aid in maneuvering.〔McLaughlin, pp. 115–16, 122–23〕
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