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Aviation History
1920
1920 - 0929.PDF
A FOKKER SIX-SEATER LIMOUSINE MONOPLANE m m m m m The Fokker V-45 passenger machine IN spite of the objections raised to cantilever wings from manyquarters, several German designers continue to employ this system, which one might say originated with the Warmachines, in recent designs of commercial craft. Among FOKKER V-4S A Fokker passenger-carrying monoplane, 185 h.p.B.M.W. engine. General arrangement, sketch these is Fokker, who, although he has again become Dutch, is generally looked upon as a German designer, as, practically speaking, his whole aeronautical education has been •" made in Germany." In addition to some sporting single-seaters with engines of 35 and 50 h.p. (a sketch, together with the principal characteristics of the 35 h.p. " Parasol," appeared in the article on Small Sporting Aeroplanes in FLIGHT for May 13 last), he has now brought out a larger machine with seating accommodation for six people, including the pilot. This machine—also of the parasol type—which is known as the V-45, is fitted with a B.M.W. (Bavarian Motor Works) engine of 185 h.p., which is mounted in the nose of the fuselage, behind a circular radiator. The accompanying illustrations show the general lay-out of the machine.' The pilot is placed immediately behind the engine, where his view in a downward and forward direction is very good, but for looking aft or upward this position leaves much to be desired, as the view is obstructed by the passengers' cabin, as well as by the wings. Just behind the pilot's cockpit the fuselage rises up to meet the wing, and forms a cabin with comfortable seating-accommodation for the passengers. The cabin is entered through a door in the side, as shown in the illustrations, and windows afford an excellent view of the country over which the machine is flying, there being no bottom plane to obstruct the view. There is, we believe, accommodation for a small amount of luggage in addition to the six passengers. Apparently the fuselage, which is of rectangular section tapering to a vertical knife-edge at the stem, follows the usual Fokker tubular steel construction—but on this point we are not absolutely certain. The undercarriage is of very substantial design, the struts consisting of steel tubes forming a letter W in side elevation. There are four landing-wheels, two on each end of the axle, placed close together. The chassis is wire- braced transversely from the central tubular members of the " W." The monoplane wing is of the tapered type, being reduced in camber as well as chord at the tip, both leading and trailing edges tapering. The ailerons are comparatively small, and do not, it will be seen, extend far inward. They are balanced in the usual manner. It will be noticed that the wings are supported at the centre not only by the fuselage but by three struts extending outwards each side of the latter some 5 ft. or so from the centre. These struts, two of each set of three abutting on the upper fuselage longerons and the third on the lower, serve to support the wings forward of the cabin, over the pilot's cockpit. The tailplane and elevators, which, also, are comparatively small, are mounted on the top longerons of the fuselage, above the line of thrust and level with the wings. The tail plane has little, if any, camber. The elevators are divide'd and balanced, and hinged to the sternpost of the fuselage is a large" balanced rudder. The whole of the tail is braced by means of tubular streamline struts, attached at their lower ends to the bottom of the fuselage sternpost, and at their upper extremities to the trailing edge of the tail plane. 931
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