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Aviation History
1926
1926 - 0383.PDF
JUNE 10, 1926 A NEW DE HAVILLAND COMMERCIAL AEROPLANE The D.H.66 with Three Bristol "Jupiter" Engines THE new De Havilland aeroplane, type D.H.66, which is aeroplanes for a great number of years, the new three-enginednow in course of construction at the Stag Lane works of machine being built for Imperial Airways, Ltd., has a fuselage the De Havilland Aircraft Company, marks a considerable of all-steel construction as regards its main structure. The THE D.H. 66 : Three-quarter front view of the fuselage in skeleton. The main structure is of steel tube, and cabin, luggage compartment, etc., are in the form of " boxes " of three-ply, slipped into the main structure. departure in several respects from normal De Havilland practice. Thus in place of the all-wood plywood-covered fuselage, which has characterised practically all De Havilland THE D.H. 66 : The mounting for the central engine is extremely neat and simple. The engine plate is made of Duralumin and is very light. Details of this mounting are illustrated by sketches. wings, on the other hand, are of normal Dc Havilland con- struction with box spars of wood and spruce ribs. It might have been thought that in a machine of this type (the THE D.H. 66 : Sketch showing the triangulated structure in the lower plane, which carries one of the wingengines. The undercarriage struts are attached to the two fittings at front and rear ends of the longitudinal tube. 329
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