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  2. Ship's wheel - Wikipedia

    en.wikipedia.org/wiki/Ship's_wheel

    Diagram of the steering gear of an 18th- to 19th-century sailing ship [3]: 151 Helm of TS Golden Bear. A ship's wheel is composed of eight cylindrical wooden spokes (though sometimes as few as six or as many as ten or twelve depending on the wheel's size and how much force is needed to turn it.) shaped like balusters and all joined at a central wooden hub or nave (sometimes covered with a ...

  3. Rudder - Wikipedia

    en.wikipedia.org/wiki/Rudder

    Modern ship rudder (the long red rectangle behind the propeller) RMS Olympic's rudder turned. A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, airship, or other vehicle that moves through a fluid medium (usually air or water).

  4. Self-steering gear - Wikipedia

    en.wikipedia.org/wiki/Self-steering_gear

    Yacht with highlighted self-steering device A windvane self-steering with auxiliary rudder and trim tab servo. The main goal of a mechanical self-steering gear is to keep a sailboat on a given course towards the apparent wind and to free the helmsman from the steering job.

  5. Critical safety alert: Boeing 737 rudder malfunction linked ...

    www.aol.com/critical-safety-alert-boeing-737...

    According to the NTSB, a piece of the rudder control system on 737 Next-Generation and 737 Max aircraft, the two most recent generations of the manufacturer’s bestselling plane, can lose ...

  6. Glossary of nautical terms (M–Z) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_nautical_terms...

    On simple watercraft, the rudder may be controlled by a tiller —essentially, a stick or pole attached to the top of the rudder to allow it to be turned by a helmsman. In larger vessels, the rudder is often linked to a steering wheel via cables, pushrods, or hydraulics. Model of a sternpost-mounted pintle-and-gudgeon rudder rudder stop

  7. Glossary of nautical terms (A–L) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_nautical_terms...

    A sail control that lets one apply downward tension on a boom, countering the upward tension provided by the sail. The boom vang adds an element of control to sail shape when the sheet is let out enough that it no longer pulls the boom down. Boom vang tension helps control leech twist, a primary component of sail power. boomkin. See bumpkin. booms

  8. NTSB issues urgent safety recommendations on Boeing 737 ... - AOL

    www.aol.com/news/ntsb-issues-urgent-safety...

    The National Transportation Safety Board on Thursday issued urgent safety recommendations about the potential for a jammed rudder control system on some Boeing 737 airplanes after a February ...

  9. US says 40 foreign operators may be using Boeing 737s with ...

    www.aol.com/news/us-says-40-foreign-operators...

    WASHINGTON (Reuters) -The U.S. National Transportation Safety Board said on Monday more than 40 foreign operators of Boeing 737 airplanes may be using planes with rudder components that could pose ...