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An engine, outboard or inboard, used to power a sailboat.

Related Terms

ASME SECTION I

Power Boilers.

HALF-POWER POINTS

Power ratios used to define the angular width of a radar beam. One convention defines beam width as the angular width between points at which the field strength is 71 percent of its maximum value. Expressed in terms of power ratio, this convention defines beam width as the angular width between half-power points. A second convention defines beam width as the angular width between points at which the field strength is 50 percent of its maximum value. Expressed in terms of power ratio, the latter convention defines beam width as the angular width between quarter- power points.

INTENSIFIER

A device which converts low pressure fluid power into higher pressure fluid power.

ANSI-B.31.1

ASME SECTION XI

Rules for in-service inspection of Nuclear Power Plant components.

ASME SECTION III

Nuclear Power Plant Components.

HOLDING GROUND

The bottom ground of an anchorage. The expression is usually used with a modifying adjective to indicate the quality of the holding power of the material constituting the bottom

VISCOSITY INDEX IMPROVER

Additive that increase the viscosity of the fluid throughout its useful temperature range. Such additives are polymers that possess thickening power as a result of their high molecular weight and are necessary for formulation of multi-grade engine oils.

NFPA

National Fluid Power Association.

RATED SPEED

The crankshaft revolutions per minute at which the rated power occurs as specified on the nameplate and in the technical file of the engine.
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