Introduction Headache attributed to aeroplane travel (AH) is one of the new nosological entries in the International Classification of Headache Disorders (ICHD) 3 beta. Materials and Methods This study retraces the history of headache related to flight, from the initial description to the modern ...
A brief statement of this sort, however, is of little or no value in giving an idea of the physical nature of the phenomenon. A considerable amount of attention is now focused on the repercussions of shock waves on aeroplane design. It is far easier to understand these design trends if ...
BY way of introduction we shall explain that we have used the rather unwieldy term "composite‐engined aeroplane" to define the type of aircraft with which we at Ryan are working. This is one having two power plants of different kinds, which are, in the FR‐1,...
A method and mechanism for changing the wingplan geometry of the main wing of an aeroplane in flight. A slat (1) is pivotally mounted to the main wing (4) with its leading edge matching that of the main wing. By sliding the slat forward the slat is angularly projected over the wing...
THE normal control surfaces of an aeroplane are the elevator (for pitching); the rudder (for yawing); and the ailerons (for rolling). In certain cases the ailerons may be replaced or augmented by spoilers , conveniently placed just in front of the ailerons, or at the same chordal ...
THE two previous articles in this series have dealt respectively with a metal fabric‐covered aeroplane and a metal stressed‐skin machine, so that the Oxford, as an example of modern woodworking practice, forms a subject for direct comparison of the three main materials available. It will be ...