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Research Reports and Memoranda

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 February 1930


In estimating the change of performance of an aircraft resulting from a change in the airscrew‐engine unit—for example, in considering the possible improvement of performance clue to an alteration of gear ratio or to fitting a variable pitch instead of a fixed‐pitch airscrew—the selection of appropriate characteristics and the estimation of the resulting performance is frequently rather troublesome. The absence of airscrew data in a form convenient for immediate application generally makes the computations lengthy.


(1930), "Research Reports and Memoranda", Aircraft Engineering and Aerospace Technology, Vol. 2 No. 2, pp. 48-49.




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