Month in the Patent Office
Aircraft Engineering and Aerospace Technology
ISSN: 0002-2667
Article publication date: 1 February 1952
Abstract
A blade for a helicopter or like rotor carries a propulsive duct of the continuous flow or intermittent type at its outer extremity, the centre line of the duct being inwardly and forwardly inclined to the direction tangential to the path swept by the duct. Fig. 1 shows an arrangement in which the inclined centre line 11—11 of a circular duct 7 is straight, while fig. 4 shows a rectangular‐section duct 7a of which the centre line 11a—11a is curved.
Citation
(1952), "Month in the Patent Office", Aircraft Engineering and Aerospace Technology, Vol. 24 No. 2, pp. 59-59. https://doi.org/10.1108/eb032135
Publisher
:MCB UP Ltd
Copyright © 1952, MCB UP Limited