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- Ships_wheel abstract "A ship's wheel or boat's wheel is used to change course. Together with the rest of the steering mechanism it forms part of the helm. It is typically connected to a mechanical, electric servo, or hydraulic system. In some modern ships the wheel is replaced with a simple toggle that remotely controls an electro-mechanical or electro-hydraulic drive for the rudder, with a rudder position indicator presenting feedback to the helmsman.Helmsmen on older ships used a tiller (a horizontal bar fitted directly to the top of the rudder post) or a whipstaff (a vertical stick acting on a tiller). A traditional ship's wheel is composed of eight cylindrical wooden spokes (though sometimes as few as six or as many as ten) shaped like balusters and all joined at a central wooden hub or nave (sometimes covered with a brass nave plate) which housed the axle. The square hole at the centre of the hub through which the axle ran is called a drive square and was often lined with a brass plate (and therefore called a brass boss, though this term was used more often to refer to a brass hub and nave plate) which was frequently etched with the name of the wheel's manufacturer. The outer rim is composed of four sections each made up of stacks of three felloes, the facing felloe, the middle felloe, and the after felloe. Because each group of three felloes at one time made up a quarter of the distance around the rim, the entire outer wooden wheel was sometimes called the quadrant. Each spoke ran through the middle felloe creating a series of handles on the outside of the wheel's rim. One of these handles/ spokes was frequently given extra grooves at its tip which could be felt by a helmsman steering in the dark and used by him to determine the exact position of the rudder—this was the king spoke and when it pointed straight upward the rudder was dead straight. The wood used in construction of this type of wheel was most often either teak or mahogany.The steering gear of earlier ships sometimes consisted of a double wheel where each wheel was connected to the other with a wooden spindle that ran through a barrel or drum. The spindle was held up by two pedestals that rested on a wooden platform, often no more than a grate. A tiller rope or chain (sometimes called a steering rope or chain) ran around the barrel in five or six loops and then down through two tiller rope slots at the top of the platform before connecting to two sheaves just below deck (one on either side of the ship's wheel) and thence out to a pair of pulleys before coming back together at the tiller and therefore the ships rudder. Movement of the wheels (which were connected and moved simultaneously) caused the tiller rope to wind in one of two directions and shifted the tiller left or right. In a typical and intuitive arrangement, a forward-facing helmsman turning the wheel counterclockwise would cause the tiller to move to starboard and therefore the rudder to swing to port causing the vessel to also turn to port (see animation). On many vessels the helmsman stood facing the rear of the ship with the ship's wheel before him and the rest of the ship behind him-- this still means that the direction of travel of the wheel at its apex still corresponds to the direction of turn of the ship.".
- Ships_wheel thumbnail Gloucester_MA_-_Fishermans_Memorial.jpgwidth=300.
- Ships_wheel wikiPageID "1326899".
- Ships_wheel wikiPageID "19992264".
- Ships_wheel wikiPageLength "50".
- Ships_wheel wikiPageLength "5230".
- Ships_wheel wikiPageOutDegree "1".
- Ships_wheel wikiPageOutDegree "24".
- Ships_wheel wikiPageRedirects Ships_wheel.
- Ships_wheel wikiPageRevisionID "410581451".
- Ships_wheel wikiPageRevisionID "652072238".
- Ships_wheel wikiPageWikiLink Axle.
- Ships_wheel wikiPageWikiLink Baluster.
- Ships_wheel wikiPageWikiLink Balusters.
- Ships_wheel wikiPageWikiLink Britannia_Yacht_Club.
- Ships_wheel wikiPageWikiLink Category:Control_devices.
- Ships_wheel wikiPageWikiLink Category:Watercraft_components.
- Ships_wheel wikiPageWikiLink Engine_order_telegraph.
- Ships_wheel wikiPageWikiLink Helmsman.
- Ships_wheel wikiPageWikiLink Hydraulic.
- Ships_wheel wikiPageWikiLink Hydraulics.
- Ships_wheel wikiPageWikiLink Mahogany.
- Ships_wheel wikiPageWikiLink Rudder.
- Ships_wheel wikiPageWikiLink Servomechanism.
- Ships_wheel wikiPageWikiLink Sheave.
- Ships_wheel wikiPageWikiLink Ships_wheel.
- Ships_wheel wikiPageWikiLink Spoke.
- Ships_wheel wikiPageWikiLink Spokes.
- Ships_wheel wikiPageWikiLink Steering.
- Ships_wheel wikiPageWikiLink Teak.
- Ships_wheel wikiPageWikiLink Tiller.
- Ships_wheel wikiPageWikiLink USS_Constitution.
- Ships_wheel wikiPageWikiLink USS_LST-325.
- Ships_wheel wikiPageWikiLink Wheel.
- Ships_wheel wikiPageWikiLink Whipstaff.
- Ships_wheel wikiPageWikiLink File:Gloucester_MA_-_Fishermans_Memorial.jpg.
- Ships_wheel wikiPageWikiLink File:Steering_gear_18th_century-numbered.svg.
- Ships_wheel wikiPageWikiLink File:T.S.G.B._Helm.JPG.
- Ships_wheel wikiPageWikiLink File:Wheel_and_rudder_assembly.gif.
- Ships_wheel wikiPageWikiLinkText "Helm".
- Ships_wheel wikiPageWikiLinkText "Ship's wheel".
- Ships_wheel wikiPageWikiLinkText "helm".
- Ships_wheel wikiPageWikiLinkText "ship's wheel".
- Ships_wheel wikiPageWikiLinkText "ships' wheels".
- Ships_wheel wikiPageWikiLinkText "steering gear".
- Ships_wheel wikiPageWikiLinkText "steering wheel".
- Ships_wheel wikiPageWikiLinkText "wheel".
- Ships_wheel wikiPageWikiLinkText "wheelhouse".
- Ships_wheel hasPhotoCollection Ships_wheel.
- Ships_wheel wikiPageUsesTemplate Template:Commons_category.
- Ships_wheel wikiPageUsesTemplate Template:R_from_modification.
- Ships_wheel wikiPageUsesTemplate Template:Reflist.
- Ships_wheel wikiPageUsesTemplate Template:Rp.
- Ships_wheel wikiPageUsesTemplate Template:Sailing_ship_elements.
- Ships_wheel subject Category:Control_devices.
- Ships_wheel subject Category:Watercraft_components.
- Ships_wheel type Redirect.
- Ships_wheel comment "A ship's wheel or boat's wheel is used to change course. Together with the rest of the steering mechanism it forms part of the helm. It is typically connected to a mechanical, electric servo, or hydraulic system.".
- Ships_wheel label "Ship's wheel".
- Ships_wheel label "Ships wheel".
- Ships_wheel sameAs Щурвал.
- Ships_wheel sameAs Roda_de_timó.
- Ships_wheel sameAs Kormidelní_kolo.
- Ships_wheel sameAs Rueda_de_timón.
- Ships_wheel sameAs Ruori.
- Ships_wheel sameAs Barre_(bateau).
- Ships_wheel sameAs Roda_kemudi.
- Ships_wheel sameAs 操縦.
- Ships_wheel sameAs Штурвал.
- Ships_wheel sameAs Roda_kemudi.
- Ships_wheel sameAs Skipsratt.
- Ships_wheel sameAs Koło_sterowe.
- Ships_wheel sameAs Roda_do_leme.
- Ships_wheel sameAs m.04t0pf.
- Ships_wheel sameAs Timonă.
- Ships_wheel sameAs Штурвал.
- Ships_wheel sameAs Steering_wheel_(ship).
- Ships_wheel sameAs Штурвал.
- Ships_wheel sameAs Q1980202.
- Ships_wheel sameAs Q1980202.
- Ships_wheel wasDerivedFrom Ships_wheel?oldid=410581451.
- Ships_wheel wasDerivedFrom Ships_wheeloldid=652072238.
- Ships_wheel depiction Gloucester_MA_-_Fishermans_Memorial.jpg.
- Ships_wheel isPrimaryTopicOf Ships_wheel.