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Pearl Harbor

(Encyclopedia)Pearl Harbor, land-locked harbor, on the southern coast of Oahu island, Hawaii, W of Honolulu; one of the largest and best natural harbors in the E Pacific Ocean. In the vicinity are many U.S. militar...

kerosene

(Encyclopedia)kerosene or kerosine, colorless, thin mineral oil whose density is between 0.75 and 0.85 grams per cubic centimeter. A mixture of hydrocarbons, it is commonly obtained in the fractional distillation o...

Propertius, Sextus

(Encyclopedia)Propertius, Sextus sĕkˈstəs prōpûrˈshəs [key], c.50 b.c.–c.16 b.c., Roman elegiac poet, b. Umbria. He was a member of the circle of Maecenas. A master of the Latin elegy, he wrote with vigor,...

travois

(Encyclopedia)travois trăvoiˈ [key], device used by Native North Americans of the Great Plains for transporting their tepees and household goods. It consisted of two poles, lashed one on either side of a dog or, ...

flight simulator

(Encyclopedia)flight simulator, device providing a controlled environment in which a flight trainee can experience conditions approximating those of actual flight. A simulator generally consists of an enclosure hou...

Rutan, Burt

(Encyclopedia)Rutan, Burt (Elbert Leander Rutan) ro͞oˈtăn [key], 1943–, American aerospace engineer, b. Portland, Oreg., grad. California Polytechnic Univ. (B.S. 1965). From 1965 to 1972 Rutan worked for the U...

airfoil

(Encyclopedia)airfoil, surface designed to develop a desired force by reaction with a fluid, especially air, that is flowing across the surface. For example, the fixed wing surfaces of an airplane produce lift, whi...

radio range

(Encyclopedia)radio range, geographically fixed radio transmitter that radiates coded signals in all directions to enable aircraft and ships to determine their bearings. An aircraft or ship can determine its line o...

Whittle, Sir Frank

(Encyclopedia)Whittle, Sir Frank, 1907–96, English aeronautical engineer. Whittle was one of the first persons to associate the gas turbine with jet propulsion. Previously the gas turbine had been regarded as a m...

Ontario, city, United States

(Encyclopedia)Ontario, city (1990 pop. 133,179), San Bernardino co., S Calif., near Los Angeles, in a region of vineyards; inc. 1891. Manufactures include aircraft and aircraft parts, aerospace vehicle parts, sport...