![]() ![]() The Gannet's distinctive double folding wing. A total of 44 aircraft (plus a single prototype) of the AEW.3 version were produced. In order to accommodate the systems required, the Gannet underwent a significant redesign that saw a new version of the Double Mamba installed, new radome mounted under the aircraft, the tailfin increased in area, the undercarriage lengthened and the weapons bay removed. In 1958 the Gannet was selected to replace the Douglas Skyraider in the AEW role. ![]() The gas-turbine engine could run on kerosene, "wide-cut" turbine fuel or diesel fuel, allowing the Admiralty to eliminate the dangerous high-octane petroleum spirit required to operate piston-engined aircraft from carriers. The Mamba exhausts were situated on each side of the fuselage, at the root of the wing trailing edge. Stopping one engine on a conventional twin-engined plane would normally create thrust asymmetry, whereas the centerline-mounted propeller arrangement avoided this. The Double Mamba engine could be run with one Mamba stopped and its propeller feathered, to conserve fuel and extend endurance when cruising. Each engine drove its own propeller, and power was transmitted by a torsion shaft which was engaged through a series of sun, planet, epicyclic and spur gears to give a suitable reduction ratio and correct propeller-shaft rotation. The Gannet was built in response to the 1945 Admiralty requirement GR.17/45, for which prototypes by Fairey ( Type Q or Fairey 17, after the requirement) and Blackburn Aircraft (the Blackburn B-54 / B-88) were built.Īfter considering and discounting the Rolls-Royce Tweed turboprop, Fairey selected an engine based on the Armstrong Siddeley Mamba turboprop: the Double Mamba (or "Twin Mamba"), two Mambas mounted side-by-side and coupled through a common gearbox to coaxial contra-rotating propellers. The Gannet AEW.3 was a variant of the aircraft developed as a carrier-based airborne early warning platform. It was later adapted for operations as an electronic countermeasures and carrier onboard delivery aircraft. The Gannet was originally developed to meet the FAA's dual-role anti-submarine warfare and strike requirement. It was a mid-wing monoplane with a tricycle undercarriage and a crew of three, with a double turboprop engine driving two contra-rotating propellers. It was developed for the Royal Navy's Fleet Air Arm (FAA) by the Fairey Aviation Company. The Fairey Gannet is a British carrier-borne aircraft of the post- Second World War era. ![]()
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