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Aviation History
1921
1921 - 0760.PDF
20 passengers. It is a vast improvement on the " Mammouth ' shown in igig, and bears unmistakable signs of M. Andre Herbemont's work. In spite of its large size, the machine has only one strut on each side, these being of the type found in nearly all the Spad-Herbemont machines, with cable bracing running to front and rear spars. The engines— 400 h.p. Hispanos—are mounted in tandem on the wings. This is undoubtedly an improvement on the spread-out arrangement of the engines of the " Mammouth," and alto- gether the machine is, thanks to M. Herbemont's genius, a very much more practical proposition than was the older type. The use of only a single strut for a machine having four engines on the wings is somewhat startling, but the manner in which the design is carried out appears to be satisfactory, and in any case M. Herbemont is not likely to be led astray by captivating schemes unless he sees a practical solution for them. In addition to the large machine, a small two-seater side- by-side school biplane is shown. This is the type Spad 34, with Le Rhone engine. It generally resembles the other Spads in its lines. A Spad " Berline " of the type used on the London-Paris service is also shown, but as this machine is already well known to readers of FLIGHT, no reference is necessary beyond stating the fact of its presence. LOUIS BREGUET THE only new complete machine shown by Breguet is a type I9A2 all-metal biplane, designed as a fighter, with pilot in front and a gunner aft, equipped with a Scarff gun ring. The machine has only one strut on each side, and these appear to be of sheet duralumin with possibly a channel section stiffener inside. At the ends these struts are forked to meet the two wing spars. Owing, presumably, to the fairly small size of the lower plane, this machine is referred to as a " Sesquiplan." The power unit is a double-row Breguet- Bugatti of 450 h.p., and the machine is credited with a speed of 231 km./hours. The " Leviathan" aft-metal fuselage, which has been under construction for probably two years, has duralumin tube I ongerons, with frames of zigzag pressed duralumin bars similar to those of a Zeppelin, but not arranged as crosses. The bracing is by tie-rods. The power unit is a Breguet- Bugatti " Quadrimotem " similar to that shown in 1919. It has automatic clutches so that one or more of the units can cut out without interfering with the others. There is a single tractor screw formed by two two-bladers placed at right angles. The fuselage of a type 14T bis " sanitaire " is also shown, and a five-passenger 14T bis of the old type. A wide seaplane float in duralumin is evidently designed for a large single- float seaplane. • . NOVEMBER 17, 1921 •• ~..;•••„~v. ETABLISSEMENTS CAUDRON - ON the Caudron stand the largest machine is a three-engined cabin biplane with Hispano engines. The machine is not unlike that "Shown in 1919, but looks more refined. For instance, one is glad to note that streamline wing bracing is used instead of piano wire. The central engine is mounted in the nose of the fuselage, and the wing engines on the sides of the interplane struts, with supporting tubes running from the bottom plane up to the outer engine bearers. A four- wheeled undercarriage is fitted, and there is a small wheel under the nose of the fuselage. A type C60, similar to that used by Poiree, is also shown, as well as one of the pre-War types with open tail booms. One notices that in the latter machine ailerons are fitted. The exhibits are completed by the fuselage of a C59 type, which appears to resemble the C60 except for having a Hispano engine. CLEMENT AND SANCHEZ-BESA THE only thing on this stand which appears to have any connection with flying is a metal fuselage which appears to have been made for a glider. The remaining exhibits consist of canoes, etc. Somewhere in the gallery M. L. Clement is, we understand, showing metal parts and fittings. . - H. AND M. FARM AN THIS is an imposing stand, chiefly owing to the presence of a huge four-engined machine. This is a biplane with 400 h.p. Lorraine-Dietrich engines placed in two pairs in tandem on the wings. The arrangement of the ailerons is unusual, the trailing edge of each aileron forming a separate hinged unit connected to the rear main spar by rods attached to cranks. The effect appears to be that when an aileron is moved down, its trailing edge tilts-upwards and vice versa. Farmans also show a torpedo-'plane, not unlike the famous " Goliath," but having a deep fuselage with open cockpits and a torpedo resting in a large semicircular'groove in the floor of the fuselage. Apart from these differences, the machine is unlike the " Goliath " in having a single engine in the nose of the fuselage. A twin-engined machine with Salmson engines is also shown. This is practically a " Goliath " with minor modifications, notably an open cockpit in the nose of the fuselage, apparently intended for the navigator. A small " Farman Sport " completes the exhibits. F.B.A. THE Franco-British Aviation Co., of which M. " Beaumont," otherwise Lieut. Conneau, of Circuit-of-Britain fame, was a director, is exhibiting a fine piece of workmanship in the form of a fairly large boat hull, fitted with amphibian land gear, the wheels evidently being so arranged as to swing outwards under the bottom plane. A smaller boat hull is also shown, and a pair of wings, one in skeleton. POTEZ "Flight" Copyright SILHOUETTES FROM THE PARIS SALON : Some more large machines. _ ^ 760 -
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