A rudder is a primary steering device on ships, boats, submarines, aircraft, and other vehicles that move through a fluid medium. It's a flat piece of wood, metal, or composite material hinged to the sternpost or tail of a vessel or aircraft. By pivoting the rudder, the pilot or helmsman can deflect the flow of water or air, generating a turning force that alters the vehicle's direction. The rudder works by changing the momentum of the fluid passing over it; the angle of the rudder determines the force and direction of the turn. The size and shape of the rudder are critical factors influencing maneuverability, stability, and efficiency. Larger rudders provide greater control but can also increase drag. The design must consider factors such as speed, size, and type of the craft. Rudders are essential for controlling the heading and course of a craft, enabling it to navigate and maneuver safely.
Rudder meaning with examples
- The seasoned captain meticulously adjusted the rudder, making small, precise movements to keep the ship on its plotted course through the treacherous currents. He relied on years of experience to understand how the vessel reacted to his commands. Every change was meant to compensate for shifting winds and tides.
- During the stormy weather, the helmsman struggled to maintain control, fighting the wind and waves. The rudder fought bravely, responding to each adjustment, trying to maintain course against the force of nature, as the vessel was nearly capsized.
- The small sailboat, with its worn rudder, glided gracefully across the lake. It reacted instantly to the skipper's commands, allowing for intricate navigation around buoys and other boats in this controlled setting, with great responsiveness.
- Engineers meticulously tested the new aircraft's rudder design in a wind tunnel, analyzing its responsiveness to various forces. The research aimed at finding new efficiencies to improve maneuverability, including improvements to fuel economy and better turning capabilities.
- The submerged submarine relied entirely on its **rudders** and hydroplanes for navigating in the deep ocean waters, operating silently and undetected as it charted the unexplored sea bottom. The efficiency of these components determined the craft's survivability.
Rudder Crossword Answers
4 Letters
HELM
6 Letters
TILLER