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The Royal Aircraft Factory F.E.9 was a prototype
British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...
two-seat fighter-reconnaissance aircraft of the
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
. A single-engined pusher
biplane A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...
of 1917, the F.E.9 had poor performance and handling, and only three were built.


Development and design

In summer 1916, the
Royal Aircraft Factory Royal may refer to: People * Royal (name), a list of people with either the surname or given name * A member of a royal family Places United States * Royal, Arkansas, an unincorporated community * Royal, Illinois, a village * Royal, Iowa, a cit ...
set out to design a replacement for its F.E.2 two-seat pusher fighter. Although effective gun synchronising gear was now available, which would allow a
tractor A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction. Most common ...
design with superior performance to be designed, the factory chose to continue the pusher layout of the F.E.2 in its new two-seat fighter, the F.E.9. Its
nacelle A nacelle ( ) is a "streamlined body, sized according to what it contains", such as an engine, fuel, or equipment on an aircraft. When attached by a pylon entirely outside the airframe, it is sometimes called a pod, in which case it is attached ...
extended well forward of the wings and was located high up in the wing gap to give a good field of fire for the observer, who was seated in the nose, ahead of the pilot, with dual controls fitted. It had unequal span,
single-bay A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While a ...
wings, with
aileron An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll (or movement around ...
s on the upper wing only with large horn balances (the amount of control surface forward of the hinge). It was powered by a 200 hp (149 kW)
Hispano-Suiza 8 The Hispano-Suiza 8 was a water-cooled V8 SOHC aero engine introduced by Hispano-Suiza in 1914, and was the most commonly used liquid-cooled engine in the aircraft of the Entente Powers during the First World War. The original Hispano-Suiza ...
V8 engine A V8 engine is an eight-cylinder piston engine in which two banks of four cylinders share a common crankshaft and are arranged in a V configuration. The first V8 engine was produced by the French Antoinette company in 1904, developed and us ...
, with the Royal Aircraft Factory having priority for this important and widely used engine. Three prototypes and 24 production aircraft were ordered, with the first of three prototypes flying in April 1917. It was found to have a poor climb performance and handling, with the ailerons being overbalanced, which tended to force the aircraft onto its back in steep turns. To try to solve its handling problems it was fitted with various designs of aileron and rudders. After service trials of the first prototype in France,
Major General Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...
Hugh Trenchard Marshal of the Royal Air Force Hugh Montague Trenchard, 1st Viscount Trenchard, (3 February 1873 – 10 February 1956) was a British officer who was instrumental in establishing the Royal Air Force. He has been described as the "Father of the ...
recommended that development be stopped, despite this the second prototype flew in October 1917, with two-bay wings, which was passed to No. 78 Squadron based at
Biggin Hill Biggin Hill is a settlement on the south-eastern outskirts of Greater London, England, within the London Borough of Bromley. Within the boundaries of the historic county of Kent, prior to 1965 it was also in the administrative county of Kent. I ...
in the Home Defence role. The third prototype appeared in November 1917, and was used for trials at Farnborough until early 1918.Bruce 1968, pp. 61–62. Although the 24 production aircraft were not completed, the F.E.9 did form the basis for the later N.E.1
night fighter A night fighter (also known as all-weather fighter or all-weather interceptor for a period of time after the Second World War) is a fighter aircraft adapted for use at night or in other times of bad visibility. Night fighters began to be used i ...
and A.E.3 Ram ground attack aircraft.Bruce 1968, p. 62.


Operators

; *
Royal Flying Corps "Through Adversity to the Stars" , colors = , colours_label = , march = , mascot = , anniversaries = , decorations ...
** No. 78 Squadron RFC


Specifications (final layout)


See also


References


Notes


Bibliography

*Bruce, J. M. ''British Aeroplanes 1914-18''. London:Putnam, 1957. *Bruce, J. M. ''War Planes of the First World War: Volume Two Fighters''. London:Macdonald, 1968. . *Mason, Francis K. ''The British Fighter since 1912''. Annapolis, Maryland, USA:Naval Institute Press, 1992. . {{Royal Aircraft Factory aircraft 1910s British fighter aircraft FE09 Sesquiplanes Aircraft first flown in 1917