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Aviation History
1914
1914 - 0328.PDF
[fjjm] MARCH 28, I9I4. CLEMENT BAYARD (DELACOMBE AND MARECHAL). THE armoured military single-seater scouting machine exhibited is very similar to the machine shown at the Park Aero Salon in December last. It is built of steel practically throughout, consistent '**• Ni " Flight " Copyright. Chassis and engine housing of Clement-Bayard monoplane. with the present practice of this famous French firm. The fuselage, which is of pentagonal shape in front running into a triangular section at the rear, is built up of steel iul* longerons and struts. The rear portion of it is covered with fabric, whilst the nose and front part up to a point behind the pilot's seat is covered with an armour consisting of 3 mm. thick chrome nickel-steel plate. A cowl of the same material surrounds the engine totally, so thai there should be little or no danger of this important member becoming damaged should the machine be subjected to rifle fire. The engine actually fitted in this machine is an 80 h.p. Gnome, but a 100 h.p. Gnome is the engine usually recommended for this type, which is naturally somewhat heavy on account of the armour. The chassis, as will be seen from one of the accompanying sketches, is of a very simple type, and consists of two pairs of steel tube struts, streamlined with wood and forming a V, as seen from the side. The apexes of the two Vs are connected by two trans verse steel tubes, between which move the stub axles resting in slots in the angle between the struts. Springing is provided by rubber cord. The wings are of unusual construction in that they are built up of wooden ribs over steel spars. An uncovered wing on the stand shows the method of construction. The spars as well as the leading and trailing edges, are of thin channel steel, and very flexible,, so that the amount of warp obtainable is enormous. One particular point, however, is open to criticism : there are no compression members between the spars, so that all the compression strains due to the internal cross bracing are taken by the somewhat slender ribs. How ever, it should be a compara tively simple matter to incor porate compression Struts in "Flight" Copyright, the construction, and thus Attachment of lift cables to wing obviate this possibly on Clement-Bayard monoplane. " Flight" Copyright. Attachment of lift cables to lower member of fuselage on Clement-Bayard monoplane, and a chassis detail. The Clement-Bayard monoplane. 328 ' Flight" Copyright.
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