- velocity of flapping
- маховая скорость, скорость удара
Англо-русский словарь по машиностроению. 2014.
Англо-русский словарь по машиностроению. 2014.
Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate … Wikipedia
Ornithopter — Cybird radio controlled ornithopter Pa … 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
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
Insect flight — Insects are the only group of invertebrates known to have evolved flight. Insects possess some remarkable flight characteristics and abilities, still far superior to attempts by humans to replicate their capabilities. Even our understanding of… … Wikipedia
helicopter — /hel i kop teuhr, hee li /, n. 1. any of a class of heavier than air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine. v.i. 2. to fly in a… … Universalium
Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 … Wikipedia
falconiform — /fawl koh neuh fawrm , fal , faw koh , fawl keuh neuh , fal , faw keuh /, adj. of, pertaining to, or belonging to the order Falconiformes, comprising the vultures, hawks, eagles, ospreys, falcons, caracaras, etc. [ < NL falconiformes; see FALCON … Universalium
Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic … Wikipedia
Stall (flight) — For other uses, see stall. In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases. This occurs when the critical angle of attack of the foil is exceeded. The critical angle of attack is… … Wikipedia
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium