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Cavitation

Boating CavitateCeiling

cavitation
Inefficient low-pressure pockets on propellers form bubbles that collapse against the blades resulting in premature wear.
centerboard
A keel-like pivoting device, typically in a trunk, that can be lowered or raised to act as a keel.

 


Cavitation
Air trapped around the propellor making it inefficient or at worst completely ineffective.
Chains ...

cavitation - Water turbulence generated the propeller's rotation.
ceiling - A hull's inner lining.
celestial navigation - The use of heavenly bodies for the determination of a vessel's position.

Cavitation:
Loss of effective propeller thrust caused by the blades cutting across the column of water sucked along by the propeller instead of working in it. Can also lead to heavy vibration of the vessel.

cavitation
A partial vacuum at a propeller caused by disturbed water. It makes the propeller less effective. An anticavitation plate on an outboard motor protects the propeller from cavitation.
celestial navigation ...

Cavitate, Cavitation
A type of drag on a propeller caused by air bubbles forming near the tips of a propeller that is spinning too fast. This causes inefficiencies and unnecessary wear and tear on the propeller.
Celestial Navigation ...

CAVITATION Essentially, to suck air. This term is primarily used in conjunction with propellers and rudders. When cavitating, the propeller will speed up, but power is lost; the rudder may lose steering action.

(Sometimes called the anti-cavitation plate )
Amidships - near the middle of a boat.
Aqua-Dynamics- no such word (courtesy of Brian Espy)
Astern - behind the boat; to the rear.
Awash - barely floating; mostly submerged. or,( what my boat needs) ...

occur at small depths of immersion where the original pressure is low, and with relatively small bladeareas in relation to the thrust, when the acceleration is rapid; and it is in conjunction with these circumstances that so-called " cavitation " is ...

Cavitation similar to high speed prop cavitation of the foils that breaks the lift created by the foils as they move through the water at speed above 70 m.p.h.

While the motor is running, water is drawn in through openings located at the base of the motor (see Figure 2.1, no. 14) under the anti-cavitation plate.

Like other types of pump-jet propulsion systems, they offer virtually no cavitation, giving the boat more maneuverability and the ability to operate in very shallow water.

Anti-Ventilation Plate - The horizontal plate just above the prop, sometimes called the anti-cavitation plate
Astern - Behind the boat; to the rear
Astern - Behind the stern of the boat ...

See also: Boat, Hull, High, Top, Chain

Boating CavitateCeiling

 
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