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Aviation History
1952
1952 - 1836.PDF
FLIGHT A N N E T SEEN in various conditions of flight is the production-model Fairey Gannet anti-submarine prototype, with its recently incorporated auxiliary tail-fins. The Gannet is the only super-priority type on order for Naval Aviation, and its design background was discussed by Mr. D. A. Hollis Williams, B.Sc, F.R.Ae.S., in a paper delivered before the Royal Aeronautical Society on March 29th, 1951. Therein it was remarked that the aerodynamic design, with regard to the wing area, tail volumes, and so forth, was based on the contin uous rating of one unit of the Armstrong Siddeley Double Mamba. Mr. Hollis Williams also made the point that the "double" engine had particular virtues for naval use, as all the power was delivered on the centre-line of the aircraft. True, with the increased folded dimensions permitted in the larger modern carriers, it is possible to have engine nacelles on the wings and to provide aerodynamic arrangements and control which would enable such a machine to be handled on one engine; but single-engine deck landings with a conventional "twin" must always involve difficult handling problems for the pilot, whereas, with an engine like the Double Mamba, provided that the operative unit is delivering sufficient power to give the required slow-speed, engine-on approach, then deck-landing on one engine is no longer in the "emergency" category. The Gannet depicted is the third prototype; previous machines bore the serial numbers VR546 and VR557.
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