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Ernst Otto Schlick : ウィキペディア英語版 | Ernst Otto Schlick Ernst Otto Schlick (16 June 1840, Grimma - 10 April 1913, Hamburg) was a German naval engineer. He tried to solve the problem of rolling of ships at sea by installing large gyroscopes.〔(US patent for gyroscopic ship roll damper (1908) )〕 The gyroscopic "stabilizers" gave disappointing or dangerous results in practice.〔Tristan Perez, ''Ship Motion Control'', Springer Verlag, Berlin/Heidelberg, 2005, ISBN 978-1-85233-959-3, p.123 ff〕 An Englishman before him in 1868, Henry Bessemer had tried to use hydraulics and a spirit level watched by the steersman to stabilize ship rolls, also with dangerous results. The gyroscopic stabilizer idea was later developed further by the US American inventor Elmer Ambrose Sperry but this system could hold the ship at an extreme angle for prolonged periods.〔Kreiselstabilisatoren in German Wikipedia entry on ship stabilisers〕 By the time these stabilizers were abandoned, gyroscopes had already found their place in ship navigation as gyrocompasses and in control systems. ==Life and career== Schlick studied at the Dresden Technical University from 1858. In 1863 in Dresden he founded a dockyard and engineering workshop which was later bought by Austrians. From 1869 to 1875 he worked as a naval engineer, firstly in Pest and then in Fiume, both in the Austro-Hungarian Empire. In 1875 he became managing director of the Norddeutschen Werft in Kiel, where he oversaw the building of many freight steamers and also some warships, including the German Royal Yacht Hohenzollern. From 1882 to 1895 he was director of the German office of the international ship registration institute, Bureau Veritas, in Hamburg. From 1896 until his retirement in 1908 he was director of Germanischer Lloyd, another ship registration institute in Hamburg, where he encouraged better design for fast steam ships.
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