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Aviation History
1929
1929 - 0189.PDF
JAITOARY 31, 1929 THE FAIREY LONG-RANGE MONOPLANE Napier " Lion " Engine DURING the discussion of Prof. Melvill Jones's paper on " The Streamline Aeroplane," read before the Royal Aeronautical Society recently, Captain C. C. Walker, of thede Havilland Aircraft Co., pointed out that it would appear that the de Havilland "Tiger Moth" came somewhere near, or at least went a considerable distance towards, the ideal stream- line aeroplane. The Schneider Trophy machines were other examples. In the large aeroplane class there have hitherto sufficient information has been released by the Air Ministry for a student of the data and photographs which we publish this week to form a fairly good idea of the degree of aero- dynamic refinement which has been achieved in the design of the machine. In the following we will give first the actual text of the Air Ministry notes dealing with the machine, and then a few comments on certain statements made therein, and deductions from an inspection of the photographs. I" FLIGHT " Photographs THE BRITISH ATTEMPT TO BEAT THE WORLD'S DISTANCE RECORD : Three views of the Fairey Monoplane, with Napier "Lion" engine. been few, if any, machines which could be said to have advanced sensibly towards the machine in which the only drag was the induced drag on the wing and the skin friction on the surfaces of the whole machine. In the Fairey long- distance monoplane there is cause to believe that yet another step has been made towards Prof. Melvill Jones's ideal. The Air Ministry has elected to surround this machine with a certain degree of secrecy, which prevents one from discussing in full many of the interesting features with which this new product of the Hayes establishment bristles. Nevertheless, Facts— " 1. Aircraft Structure and Layout.—The machine is a pure cantilever monoplane. The wing varies throughout its span in thickness, chord, and incidence. Tests have shown that the wing possesses a very high lift coefficient and there is no sudden stall after the angle of maximum lift has been reached. " The tail is also a cantilever, the only internal bracing wires on the machine being those to support the fin. (This should, obviously, have read external.—ED.) " Previous cantilever monoplanes without solid covering 77
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