LAP

The distance that one component overlays another, typically with planking.

Related Terms

MOMENT OF INERTIA

The quantity obtained by multiplying the mass of each small part of a body by the square of its distance from an axis, and adding all the results.

AIR BREATHER

A device permitting air movement between atmosphere and the component in/ on which it is installed.

GREENWICH HOUR ANGLE

Angular distance west of the Greenwich celestial meridian; the arc of the celestial equator, or the angle at the celestial pole, between the upper branch of the Greenwich celestial meridian and the hour circle of a point on the celestial sphere, measured westward from the Greenwich celestial meridian throug

HARPOON LOG

A log which consists of a rotator and distance registering device combined in a single unit, which is towed through the water. The TAFFRAIL LOG is similar except that the registering device is located at the taffrail, with only the rotator in the water.

SHEAR RATE

The difference between the velocities along the parallel faces of a fluid element divided by the distance between the faces.

CHIP CONTROL FILTER

A filter intended to prevent only large particles from entering a component immediately downstream. Also known as Grit control filter, Last-chance filter

HEIGHT OF TIDE

Vertical distance from the chart sounding datum to the water surface at any stage of the tide. It is positive if the water level is higher than the chart sounding datum. The vertical distance from the chart sounding datum to a high water datum is called RISE OF TIDE.

HOUR ANGLE

Angular distance west of a celestial meridian or hour circle; the arc of the celestial equator, or the angle at the celestial pole, between the upper branch of a celestial meridian or hour circle and the hour circl

RATED PRESSURE

The qualified operating pressure which is recommended for a component or a system by the manufacturer.

VALVE LIFTER

Sometimes called a 'cam follower', a component in engine designs that use a linkage system between a cam and the valve it operates. The lifter typically translates the rotational motion of the cam to a reciprocating linear motion in the linkage system.

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