- arc-shaped airfoil section
- изогнутый профиль (крыла)
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… … Wikipedia
locomotion — /loh keuh moh sheuhn/, n. the act or power of moving from place to place. [1640 50; see LOCOMOTIVE, MOTION] * * * Any of various animal movements that result in progression from one place to another. Locomotion is classified as either… … Universalium
History of hang gliding — Hang gliding is an air sport employing a foot launchable aircraft known as a hang glider. Typically, hang gliders are composed of an aluminium or composite framed fabric wing. The pilot is ensconced in a harness depending from the airframe, and… … Wikipedia
military aircraft — Introduction any type of aircraft that has been adapted for military use. Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… … Universalium
Boomerang — A boomerang is a simple implement used for various purposes. It is primarily associated with Australian Aborigines, but has been found amongst peoples of North East Africa, Sardinia, Arizona, southern California Native Americans, and in India.… … Wikipedia
Messerschmitt Bf 109 — Bf 109 Restored Messerschmitt Bf 109G 6 Role Fighter Manufacturer … Wikipedia
Wind tunnel — A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects.Ways that wind speed and flow are measured in wind tunnels: * Threads can be attached to the surface of study objects to… … Wikipedia
Bicycle frame — Steel frame of 2000 LeMond Zurich road racing bicycle mounted in a work stand … Wikipedia
Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… … Universalium
foil — foil1 foilable, adj. /foyl/, v.t. 1. to prevent the success of; frustrate; balk: Loyal troops foiled his attempt to overthrow the government. 2. to keep (a person) from succeeding in an enterprise, plan, etc. n. 3. Archaic. a defeat; check;… … Universalium