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Steering engine

A steering engine is a power steering device for ships.

Grey's original steering engine design, 1867
Steering engine of RMS Olympic, circa 1910

The first steering engine with feedback was installed on Isambard Kingdom Brunel's Great Eastern in 1866. Designed by Scottish engineer John McFarlane Gray and built by George Forrester and Company, this was a steam-powered mechanical amplifier used to drive the rudder position to match the wheel position. The size of Great Eastern, by far the largest ship of her day, made power steering a necessity.

Large steam-powered warships with manual steering needed huge crews to turn the rudder rapidly. The Royal Navy once used 78 men hauling on block and tackle gear to manually turn the rudder on HMS Minotaur, in a test of manual vs. steam powered steering.

Steam-powered steering engines were employed on large steamships thereafter.

The Mississippi River style steamboat Belle of Louisville, (originally Idlewild and oldest in her class), is fitted with a steering engine. Original equipment when the boat was launched at Pittsburgh in 1915, the engine consists of a single double-acting steam cylinder mounted aft of and above the engines, coupled to the rudders, with the motion of travel abeam. The steam valves of the engine are controlled by mechanical linkages which extend up to levers mounted either side of the engine order telegraph, just aft of the pilot wheel in the pilot house above. The steering engine is open to public view. A functional description is given in the 1965 book Str. Belle of Louisville, by Alan L. Bates, the marine architect who supervised the restoration of the boat, who comments that when in use, the steering engine causes the pilot wheel to whirl "as fast as an electric fan." The same source also describes the functional need for steering hard-to in vessels of its type, whose combination of shallow draft and high above-water profile require rapid changes in rudder under shifting wind conditions, a need which is addressed by the steering engine.

Wikimedia Commons has media related toSteering engines.

Steering engine
Steering engine Language Watch Edit A steering engine is a power steering device for ships Grey s original steering engine design 1867 Steering engine of RMS Olympic circa 1910History EditThe first steering engine with feedback was installed on Isambard Kingdom Brunel s Great Eastern in 1866 1 Designed by Scottish engineer John McFarlane Gray and built by George Forrester and Company this was a steam powered mechanical amplifier used to drive the rudder position to match the wheel position The size of Great Eastern by far the largest ship of her day made power steering a necessity Large steam powered warships with manual steering needed huge crews to turn the rudder rapidly The Royal Navy once used 78 men hauling on block and tackle gear to manually turn the rudder on HMS Minotaur in a test of manual vs steam powered steering 2 Steam powered steering engines were employed on large steamships thereafter The Mississippi River style steamboat Belle of Louisville originally Idlewild and oldest in her class is fitted with a steering engine Original equipment when the boat was launched at Pittsburgh in 1915 the engine consists of a single double acting steam cylinder mounted aft of and above the engines coupled to the rudders with the motion of travel abeam The steam valves of the engine are controlled by mechanical linkages which extend up to levers mounted either side of the engine order telegraph just aft of the pilot wheel in the pilot house above The steering engine is open to public view A functional description is given in the 1965 book Str Belle of Louisville by Alan L Bates the marine architect who supervised the restoration of the boat who comments that when in use the steering engine causes the pilot wheel to whirl as fast as an electric fan The same source also describes the functional need for steering hard to in vessels of its type whose combination of shallow draft and high above water profile require rapid changes in rudder under shifting wind conditions a need which is addressed by the steering engine See also EditPower steering Servomechanism Ship s wheelReferences EditWikimedia Commons has media related to Steering engines Bennett S 1986 A History of Control Engineering 1800 1930 Peregrinus p 98 ISBN 9780863410475 Retrieved 2015 01 10 White W H 1900 A Manual of Naval Architecture for Use of Officers of the Royal Navy Officers of the Mercantile Marine Yachtsmen Shipowners and Shipbuilders J Murray p 669 Retrieved 2015 01 10 Retrieved from https en wikipedia org w index php title Steering engine amp oldid 937869812, wikipedia, wiki, book,

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