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Nieuport 24

The Nieuport 24 was a World War I French sesquiplane fighter aircraft designed by Gustave Delage as a development of the successful Nieuport 17.

Design and development
The Nieuport 24 utilized a new wing of the same planform as the preceding Nieuport 23, but with a plywood leading edge and a new airfoil section having a flatter underside. The forward spar was moved aft, visibly affecting the cabane struts, which were then angled back. The ailerons had their tips rounded off and to reduce drag and were given a fabric strip reinforced with wire to cover the hinge gap, however the strip severely affected the type's handling, so it was removed shortly after service entry. The same fuselage with minor detail changes was used as on the Nieuport 17bis, which featured an improved aerodynamic form compared to the earlier Nieuports, with longitudinal stringers running from just aft of the moulded plywood cockpit sides to the tail. Internally the structure was updated, and while the 17bis had its Vickers gun offset to port, the 24 had it mounted to the starboard of the centerline. The 24 also received an entirely new rounded moulded plywood empennage incorporating a small fixed fin and a half-heart shaped rudder. Use of the new tail was delayed, and most production aircraft were of the Nieuport 24bis model, which reverted to the Nieuport 17 type tailplane and rectangular balanced rudder but was otherwise the same as the 24. The Nieuport 27 would use the new tail, along with a new split-axle undercarriage and internally sprung tailskid. The 24 retained the faired wood externally sprung tailskid used on previous types. A Le Rhône rotary engine was fitted in a spun aluminium cowl similar to those used on the late models of the Nieuport 17 and 23. The standard armament of the Nieuport 17 of a synchronised Vickers, and optionally an overwing Lewis gun in French or Italian service or a Lewis on a Foster mounting on the top wing in British service, was retained. Many 24 and 24bis airframes were used as advanced fighter-trainers and flown unarmed. ==Service history==
Service history
In the summer of 1917, when the Nieuport 24 and 24bis began coming off the production line, many French fighter squadrons were replacing their Nieuport 17s with SPAD S.VIIs but some French units retained Nieuports into 1918 when they were effectively obsolete, although the type was preferred by some, especially the famous Charles Nungesser. The type's most notable accomplishment occurred when Nieuports of N152 were responsible for downing two Zeppelins, L49 and L50 during the night of 19–20 October 1917. France's allies operated them, including the Russians and the British. The Russians would continue to operate their Nieuports throughout the Russian Civil War, and even received 20 French-built Nieuport 24s after the Czar's abdication. Production of additional examples was undertaken by Dux, who had licence-built previous Nieuports. Royal Aircraft Factory S.E.5 deliveries began shortly afterward, but a low production rate forced the British to use their Nieuport scouts operationally well into 1918. The Japanese bought several pattern aircraft and from 1921 to 1923 built 102, with work started by the Army Supply Depot at Tokorozawa until taken over by Nakajima. These were later designated as the Ko 3, however the Japanese did not distinguish between the 24 and the 27, initially calling both the Ni 24. Most of their Nieuport 24s were fitted with the Le Rhône 9C. The Americans bought large numbers of Nieuport advanced trainers for their flying schools in France in November 1917, which either included 227 Nieuport 24s and 16 Nieuport 24bis or 121 Nieuport 24s and 140 Nieuport 24bis, ==Variants==
Variants
;Nieuport 24 C.1: single seat fighter ;Nieuport 24 E.1: unarmed single seat fighter-trainer, often fitted with an Le Rhône 9C ;Nieuport 24bis C.1: similar to 24 but used earlier metal tail with a comma shaped rudder and an angular horizontal tail. ;Nieuport 24bis E.1: unarmed single seat fighter-trainer, often fitted with an Le Rhône 9C ;Nieuport 25 C.1: Similar to 24 or 27, but with larger Clerget rotary. Very few produced. ;Nieuport 26 C.1: Development of 24, powered by Hispano-Suiza V-8 engine. ;Nieuport 27 C.1: development of 24 with pivoted tailskid and new undercarriage. ;Nakajima 甲 3 (Ko-3): Japanese designation for locally-built Nieuport 24/27. ;Nieuport B.Kh2: Siamese designation for Nieuport 24bis. ==Operators==
Operators
; • Afghan Military Air Arm ; • Brazilian Air Force – operated 6 examples ; • Bulgarian Air Force – One 24bis captured in 1917 was operated • Escadrille N.23Escadrille N.82Escadrille N.97Escadrille N.12 ; • Serbian Air Force ; SiamRoyal Siamese Air Service ; • Turkish Air Force ; • Royal Flying Corps/Royal Air ForceNo. 1 Squadron RFCNo. 29 Squadron RFCNo. 40 Squadron RFCNo. 111 Squadron RFCNo. 113 Squadron RFC ; • Workers' and Peasants' Red Air Fleet – operated ex-Imperial Russian Air Service aircraft. ; • American Expeditionary ForceUnited States Army Air Service – operated a variety of Nieuport 24s and Nieuport 24bis as trainers. ==Specifications (Nieuport 24 C.1)==
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