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Nieuport 27
Nieuport 27
	USAAS Nieuport 27 advanced trainer
General information
Type	fighter / advanced trainer
National origin	France
Manufacturer	Nieuport, Nakajima, Uruguayan Air Force
Designer	Gustave Delage
Primary users	Aéronautique Militaire Corpo Aeronautico Militare ; Royal Flying Corps
Number built	approx 1,000
History
Introduction date	October 1917
First flight	1917
Retired	1931 (Uruguay)
Developed from	Nieuport 24

The Nieuport 27 (or Nieuport XXVII C.1 in contemporary sources) was a World War I French sesquiplane fighter aircraft designed by Gustave Delage. The 27 was the last of the line of Nieuport "V-strut" single seat fighters that began with the Nieuport 10 of 1914. Operational examples supplemented the very similar Nieuport 24 and 24bis in operational squadrons in late 1917 and many would also be used as advanced trainers.

Design and development

The Nieuport 27's design closely followed that of the 24, sharing the same faired fuselage, rounded ailerons and half-heart shaped rudder.^[1] The only externally visible changes from the 24 included the replacement of the fixed external wood Nieuport type sprung tailskid with an internally pivoted type, and the replacement of the single undercarriage axle that connected both wheels, with one that had a hinge along the centerline – and one extra wire.^[1] By 1918, many Nieuport fighters were being used as advanced trainers, and the 130 hp (97 kW) Le Rhône 9JB Rotary engine was often replaced by lower powered engines, such as the 80 hp (60 kW) Le Rhône 9C.^[2]

Operational Nieuport 27s in Italian and French service were armed with a synchronized, fuselage-mounted .303 in (7.70 mm) Vickers machine gun occasionally supplemented with an overwing Lewis Gun mounted on one of several mountings. In British service with the Royal Flying Corps and later the Royal Air Force a .303 in (7.70 mm) Lewis Gun was mounted on a Foster mounting above the top wing.

Nieuport produced a number of prototypes either contemporary to, or based on the Nieuport 27, including one with a 150 hp (110 kW) Hispano-Suiza 8 V-8 inline engine that may have been designated the Nieuport 26, another with an enlarged 2 spar lower wing and a third with a redesigned front fuselage with a further simplified cabane structure, and a Vickers mounted on the forward port longeron. Development of the Nieuport 28, with ailerons moved to the two spar lower wing, rounded wingtips and a simplified fuselage structure, concluded further development of the 27 line.

Operational history

Despite being obsolescent before entering service, the type served with a large number of French Aéronautique Militaire units, pending availability of the newer SPAD S.XIII.^[1]

In protest of the humiliation of airmen being ordered to march rather than fly for the main French victory parade on the Champs Élysées to celebrate the end of the First World War, Charles Godefroy flew a Nieuport 27 through the 14.50 m (47.6 ft) gap between the pillars of the Arc de Triomphe, three weeks after the official victory parade, on 7 August 1919, an act which was widely reported in contemporary newspapers.^[3]

All Italian Nieuport 27s were imported from France.^[4] About 200^[5] Nieuport 27s were supplied to Italy as Nieuport-Macchi was already at capacity producing the Hanriot HD.1 under licence.

The British Royal Flying Corps obtained 71 Nieuport 27s in 1917,^[6] supplementing or replacing earlier Nieuports. These were used until early 1918 when Royal Aircraft Factory S.E.5As became available in sufficient numbers, with the final operational examples being used in Palestine, while others were used in secondary roles, in the UK for training and trials.^[7]

In 1918 the United States Army Air Service placed orders for 461 Nieuport 27 E.Is for use as advanced fighter-trainers, of which 287 were delivered.^[8]^[7]

The Japanese bought several pattern aircraft and from 1921 to 1923 built 102 aircraft, with production starting by the Army Supply Depot at Tokorozawa until taken over by the Nakajima Aircraft Company. These were later designated as the 甲 3 (Ko 3), however the Japanese did not distinguish between the 24 and the 27.^[9]

The Uruguayan Air Service (Escuela Militar de Aviación (EMA)) purchased 6 surplus Nieuport 27s from France before EMA built an additional 18 unlicensed copies. In 1930 these were redesignated as AIME 10 (Avión de Instrucción Modelo Escuela – Training aircraft school model 10).^[10] The last of these were only retired in 1931.^[11]

After being retired from military service, a number of Nieuport 27s found their way onto the civil aircraft registers, particularly in France and Japan.

Operators

Kingdom of Bulgaria

Bulgarian Air Force – One captured Nieuport 27, formerly N5346

France

Aéronautique Militaire
- Army Cooperation
- Group de Combat 11^[4]
  - Escadrille N57^[4]
- Group de Combat 14^[4]
  - Escadrille N86^[4]
- Group de Combat 17^[4]
- Group de Combat 20^[4]
- Group de Combat 21^[4]
  - Escadrille N98^[4]
  - Escadrille N157^[4]

Kingdom of Greece

Hellenic Air Force

Kingdom of Italy

Corpo Aeronautico Militare

Empire of Japan

Imperial Japanese Army Air Service – 102 built under licence by Nakajima as the Ko 3.

Russian Empire / Soviet Union

Imperial Russian Air Service^[7]
Soviet Air Force – Taken over from the Imperial Russian Air Force.^[7]

Kingdom of Serbia

Aéronautique Serbe operated 3 Nieuport 27s.

Siam

Royal Siamese Aeronautical Service

Turkey

Turkish Air Force – operated one captured Greek aircraft, named Ganimet 4 (war booty 4), and they may have captured a second example.

United Kingdom

Royal Flying Corps

Royal Air Force
- No. 22 Squadron RAF
- No. 29 Squadron RAF

United States

Uruguay

Uruguayan Air Force operated 24 examples until 1931.

Specifications

Data from Davilla, Dr. James J.; Soltan, Arthur (1997). French Aircraft of the First World War. Mountain View, CA: Flying Machines Press. p. 404. ISBN 978-1891268090.

General characteristics

Crew: 1
Length: 5.87 m (19 ft 3 in)
Wingspan: 8.21 m (26 ft 11 in)
Upper wingspan: 8.21 m (26 ft 11 in)
Upper Wing Chord: 1.310 m (4 ft 3.6 in)
Wing sweep: 3° 20'^[15]
Lower wingspan: 7.80 m (25 ft 7 in)
Lower Wing Chord: 0.705 m (2 ft 3.8 in)
Height: 2.40 m (7 ft 10 in)
Wing area: 14.75 m² (158.8 sq ft)
Airfoil: Type N-5^[16]
Empty weight: 380 kg (838 lb)
Gross weight: 535 kg (1,179 lb)
Powerplant: 1 × Le Rhône 9JB 9 cylinder rotary engine, 97 kW (130 hp)
Propellers: 2-bladed Levasseur 549, Régy 251 or Chauviére 2228 wooden fixed pitch propellers^[16], 2.40 m (7 ft 10 in) diameter

Performance

Maximum speed: 172 km/h (107 mph, 93 kn) at sea level
- 170 km/h (110 mph; 92 kn) at 2,000 m (6,600 ft)
- 167 km/h (104 mph; 90 kn) at 3,000 m (9,800 ft)
- 165.7 km/h (103.0 mph; 89.5 kn) at 4,000 m (13,000 ft)
Range: 250 km (160 mi, 130 nmi)
Endurance: 2.25 hours
Service ceiling: 6,850 m (22,470 ft)
Time to altitude:
- 5 minutes 40 seconds to 2,000 m (6,600 ft)
- 9 minutes 25 seconds to 3,000 m (9,800 ft)
- 14 minutes 40 seconds to 4,000 m (13,000 ft)
- 21 minutes 30 seconds to 5,000 m (16,000 ft)

Armament

Guns: one 1 × synchronised 0.303 in (7.70 mm) Vickers machine gun (except on RFC examples), and one 0.303 in (7.70 mm) Lewis optionally mounted above the top wing.

References

Notes

^ ^a ^b ^c Davilla, 1997, p.400
^ Varriale 2015, p.10
^ "Un avion passe sous l'Arc de Triomphe". L'Écho de Paris. 8 August 1919. p. 1.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z Davilla, 1997, p.403
^ Varriale 2015, p.32
^ Varriale 2015, p.31
^ ^a ^b ^c ^d ^e ^f Davilla, 1997, p.404
^ Varriale 2015, pp.9–10
^ Varriale 2015, p.21
^ Varriale 2015, p.24
^ Varriale 2015, p.25
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q Davilla, 1997, p.401
^ ^a ^b ^c ^d ^e ^f ^g ^h Davilla, 1997, p.402
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j Varriale 2015, p.20
^ Pommier, p.182
^ ^a ^b Pommier, 2002, p.182

Bibliography

Cooklsley, Peyter (1997). Nieuport Fighters in Action. Carrollton, Texas: Squadron/Signal Publications. ISBN 978-0-89747-377-4..
Davilla, Dr. James J.; Soltan, Arthur (1997). French Aircraft of the First World War. Mountain View, CA: Flying Machines Press. ISBN 978-1891268090.
Franks, Norman (2000). Nieuport Aces of World War 1 - Osprey Aircraft of the Aces 33. Oxford: Osprey Publishing. ISBN 1-85532-961-1.
Pommier, Gerard (2002). Nieuport 1875-1911 — A biography of Edouard Nieuport. Atglen, PA: Schiffer Publishing. ISBN 978-0764316241.
Rosenthal, Léonard; Marchand, Alain; Borget, Michel; Bénichou, Michel (1997). Nieuport 1909-1950 Collection Docavia Volume 38. Clichy Cedex, France: Editions Lariviere. ISBN 978-2848900711.
Sanger, Ray (2002). Nieuport Aircraft of World War One. Wiltshire: Crowood Press. ISBN 978-1861264473.
Varriale, Paolo (2015). Nieuport 24/27 at war!. Windsock/Centenary Datafile 167. Hertfordshire, Great Britain: Albatros Publications. ISBN 978-1906798406.