An Analytical Method of Quantifying Helicopter Agility

Thomson, D.G. (1986) An Analytical Method of Quantifying Helicopter Agility. In: Twelfth European Rotorcraft Forum, Garmisch-Partenkirchen, Germany, 22-25 Sep 1986,

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Abstract

This paper outlines a method of measuring the Inherent Agility (i.e. the agility of the aircraft alone) of a helicopter configuration. The method is based on Inverse Solutions of the Equations of Motion and standard performance measurement techniques. Inverse solutions can be found for a helicopter performing a family of manoeuvres within specified limits. An Agility Performance Index is given for each manoeuvre forming an agility surface covering this set of limits. An Agility Rating is then calculated as the volume under the surface. This agility rating corresponds to a single configuration over a single class of manoeuvre. Other configurations can then be tested over the same manoeuvres for comparison. The method is illustrated by comparing the agility of three helicopter configurations; transport, battlefield and agile, over a series of standard manoeuvres.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Thomson, Dr Douglas
Authors: Thomson, D.G.
Subjects:T Technology > TL Motor vehicles. Aeronautics. Astronautics
College/School:College of Science and Engineering > School of Engineering > Aerospace Sciences
Research Group:Aerospace Sciences

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