blade root — The portion of the propeller blade that fits into the hub. Also called a blade hub … Aviation dictionary
Blade — (bl[=a]d), n. [OE. blade, blad, AS. bl[ae]d leaf; akin to OS., D., Dan., & Sw. blad, Icel. bla[eth], OHG. blat, G. blatt, and perh. to L. folium, Gr. fy llon. The root is prob. the same as that of AS. bl[=o]wan, E. blow, to blossom. See {Blow} to … The Collaborative International Dictionary of English
blade 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… … Aviation dictionary
blade 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… … Useful english dictionary
blade butt — The root end of a propeller blade that fits into the hub … Aviation dictionary
blade span — The length of a helicopter rotor blade from the tip to its root … Aviation dictionary
root depth — n. the dimension from the bottom of a cut on a key to the bottom of the blade … Locksmith dictionary
firtree root — The usual gas turbine rotor blade root of tapered form, with broached serrated edges providing multiple load bearing faces … Aviation dictionary
Below the Root (video game) — Infobox VG title = Below the Root developer = Windham Classics publisher = Windham Classics designer = engine = released = 1984 genre = Adventure modes = Single player ratings = platforms = IBM PC (DOS), Commodore 64, Apple II media =… … Wikipedia
extended-root blade — i. A propeller blade with the root extended in a chord. ii. A gas turbine rotor blade in which the airfoil is carried on a long platform in a disc of reduced diameter … Aviation dictionary
propeller blade stations — The designation of location of various points on a propeller blade. It is normally numbered from 1 onward or as the number of inches from the root of the blade toward its tip. Propeller blade stations … Aviation dictionary
