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Aviation History
1923
1923 - 0144.PDF
MARCH 15, 1923 description which follows it should be borne in mind that themachine is purely experimental, and that it contains features which would not be perpetuated in later types, should theAircraft Disposal Co. decide to take it up. the time the inventor of the wing wished to make full-sizeflying tests. Thus it is not to be regarded as a permanent portion of the design, but merely as a sort of full-scale" laboratory " for the testing of the wing. That being the case, and the Nieuport having been described in detail in FLIGHT during the War, there is little need to refer to thedetails of it. The same applies to the under-carriage, and to a certain extent to the tail, the only departure appearing tobe a slight increase in the size of the latter. The wing is of interest owing to the principle employed ofsecuring the ribs to the front spar only (which is very deep), the function of the rear spar being mainly to form a member ofthe internal drag bracing. v^ ( ^l ••••*.. . - Section and plan of the spar supports, operating cranksetc., of the variable camber wing. Diagrammatic perspective view of the camber-operatingtubes, spars, etc., of the variable camber wing. The upper diagram shows the manner in which the camberand section are altered. For high speed the section is thick and flat, for slow speed it is thin and deeplycambered. Fundamentally, the variable camber monoplane consistsof the fuselage of a French Nieuport " one-and-a-half " plane of the type popular during the War, supported by a thicktapering parasol wing. It was probably chosen because it happened to be of about the right size, and was available at The trailing portion of the ribs is supported on two tubes,hinged at their outer ends to a stout box rib, and at their inner ends to a rocking crank. This crank is operated bypull and push rods springing from cranks inside the fuselage. The upper rib flanges are secured to one of these tubes and the Scale o i i 3 '•+'S 6 7 B o 10 feet o -s i is z z-5 3 Metres, SPAN 29'5" LENGTH 23'8" HEIGHT //'3" WING AREA 19OSa.Ji-. General arrangement drawings of the variable camber monoplane with which the Aircraft Disposal Co. is now experimenting. 144
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