rotor blade
1rotor blade — noun the long airfoil that rotates to provide the lift that supports a helicopter in the air • Syn: ↑rotary wing • Hypernyms: ↑airfoil, ↑aerofoil, ↑control surface, ↑surface • Part Holonyms: ↑ma …
2rotor blade — UK [ˈrəʊtə(r) ˌbleɪd] / US [ˈroʊtər ˌbleɪd] noun [countable] Word forms rotor blade : singular rotor blade plural rotor blades one of the long flat pieces of metal on top of a helicopter that turn around to lift it off the ground …
3rotor blade — Aeron. one airfoil of the rotor of a rotary wing aircraft. [1930 35] * * * …
4rotor blade — ro|tor blade [ routər ,bleıd ] noun count one of the long flat pieces of metal on top of a helicopter that turn around to lift it off the ground …
5rotor blades in track — Rotor blades are said to be in track if the path described by all the blades is the same. A rotor blade is said to be out of track if any one of them does not traverse the same path …
6Blade Inspection Method — is, according to the Sikorsky S 61 maintenance manual, a system of using an indicator and inert gas to detect cracks in the spar of a main rotor blade of some helicopters produced by Sikorsky …
7blade — [[t]ble͟ɪd[/t]] blades 1) N COUNT The blade of a knife, axe, or saw is the edge, which is used for cutting. Many of them will have sharp blades. 2) N COUNT: usu pl The blades of a propeller are the long, flat parts that turn round. 3) N COUNT The …
8blade flapping — The vertical movement of a helicopter rotor blade about a horizontal or flapping hinge, in which the blades tend to rise and descend with respect to the rotor hub as they rotate. Blade flapping tends to minimize asymmetrical lift by increasing… …
9blade twist — i. The undesirable variation in pitch from root to tip caused by aerodynamic loading. ii. The twist built into a propeller or rotor blade. In the case of a propeller, it is to ensure that the pitch angle at the root is greater than the tip. In… …
10blade angle — noun : the angle between the chord of a propeller or rotor blade and a plane normal to the axis of rotation, its value varying along the span and decreasing from root to tip because of blade twist * * * blade angle, the acute angle between the… …
