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From Wikipedia, the free encyclopedia

FBA Type A, B, and C
Ministry of Information First World War Miscellaneous Collection Q33809 (cropped).jpg
FBA Type C
Role Reconnaissance flying boat
Manufacturer FBA
First flight 1912
Number built ca. 250
Developed into FBA Type H

The FBA Type A and the similar Type B and C were a family of reconnaissance flying boats produced in France prior to and during World War I. All three were unequal-span pusher biplane flying boats with a single step hull made of ash longerons covered in laminated wood, divided by bulkheads into eight compartments. The empennage was carried on an upswept curved extension of the hull made from steel tubing. The pilot and observer sat side by side in the open cockpit.[1]

Development

The design originated with patents by Donnet-Lévêque and initially reflected the general configuration of that company's aircraft. As a result, the FBA Types A, B, and C were sometimes referred to as Donnet-Lévêques.[citation needed] The Type A had a single-bay wing, while the larger Type B and C had two bay wings which otherwise only differed in the engine installed, with the type B using a 75 kW (100 hp) Gnome Monosoupape and the type C using a 97 kW (130 hp) Clerget 9B. The RNAS contracted for 20 type B's from Norman Thompson, who was responsible for building flying surfaces for hulls provided from France, which differed most noticeably by having a rectangular all-flying rudder in place of the D shaped rudder used on French examples. The Type A was the only version with a fin attached to the rudder although some aircraft had a field modification with a fin being added between the hull and the tailplane. The Type H was developed from the Type C but was larger, had a new hull that wasn't attached directly to the tailplane, had an oval rudder and used a Hispano-Suiza 8 stationary engine.

Operational history

RNAS FBA Type B, which used British built flying surfaces with a French built hull
RNAS FBA Type B, which used British built flying surfaces with a French built hull

The earliest examples sold entered service with the Austro-Hungarian Navy and Danish Navy prior to World War I, but large-scale use began with sales to the Royal Naval Air Service (RNAS) who initially ordered 20 Type B's from Norman Thompson before receiving additional Type Cs from France. The French Aéronautique Maritime, and Italian Navy followed with orders for Type Bs and Cs in 1915. The FBA flying boats were used for naval patrols and frequently encountered their opposing German and Austro-Hungarian Navy counterparts which led to some being converted to single seaters armed with a machine gun. Three Type Bs became the first aircraft operated by the Portuguese Navy.

Variants

Type A
(1913) - powered by a 37 kW (50 hp) Gnome Omega, initial aircraft from 1913.
Type A
(production) - powered by a 60 kW (80 hp) Gnome Monosoupape 7 Type A, enlarged production aircraft.
Type B
powered by a 75 kW (100 hp) Gnome Monosoupape 9 Type B-2. Over 150 built.
Type C
powered by a 97 kW (130 hp) Clerget 9B. 78 built.
Type 11 HE.2
two-seat elementary flying-boat.
Type 14 HE.2
Two-seat training flying-boat for the French Navy. 20 built.
FBA 100ch
French Navy nomenclature for the Type B
FBA 130ch
French Navy nomenclature for the Type C

Operators

Beached Imperial Russian Navy FBA Type C
Beached Imperial Russian Navy FBA Type C
Former Portuguese Navy FBA Type B, at the Maritime Museum, Lisbon
Former Portuguese Navy FBA Type B, at the Maritime Museum, Lisbon
 Austria-Hungary
 Brazil
 Denmark
 France
 Italy
 Portugal
 Russia
 United Kingdom

Survivor

A single example of a type B survives in the Museu de Marinha in Lisbon. This aircraft was reassembled from parts from the Portuguese Navy's first two aircraft.

Specifications (Type C)

FBA Type C drawing
FBA Type C drawing

Data from French aircraft of the First World War,[4] The Rand McNally encyclopedia of military aircraft, 1914-1980[5]

General characteristics

  • Crew: 2, pilot and observer
  • Length: 9.14 m (30 ft 0 in)
  • Wingspan: 13.71 m (45 ft 0 in)
  • Height: 3.05 m (10 ft 0 in)
  • Wing area: 32 m2 (340 sq ft)
  • Empty weight: 640 kg (1,411 lb)
  • Gross weight: 907 kg (2,000 lb)
  • Powerplant: 1 × Clerget 9B 9-cylinder air-cooled rotary piston engine, 97 kW (130 hp)
  • Propellers: 2-bladed fixed-pitch pusher propeller

Performance

  • Maximum speed: 110 km/h (68 mph, 59 kn)
  • Range: 320 km (200 mi, 170 nmi)
  • Endurance: 2.75 hours
  • Time to altitude: 2,000 m (6,600 ft) in 25 minutes

Armament

  • Guns: 1x 7.7 mm (0.30 in) machine-gun
  • Bombs: 2x 11 kg (24 lb) bombs

References

  1. ^ Taylor, Michael J.H. (1989). Jane's encyclopedia of aviation. London: Portland House. p. 381. ISBN 0-517-69186-8.
  2. ^ Thetford, Owen (1982). British naval aircraft since 1912 (5th rev ed.). Putnam. p. 461. ISBN 0-370-30021-1.
  3. ^ Mulder, Rob J M (2015). "THE BRITISH AIRCRAFT ON THE ELTA OF 1919". European Airlines. EUROPEAN AIRLINES / ROB MULDER. Retrieved 10 February 2017.
  4. ^ Davilla, Dr. James J.; Soltan, Arthur M. (January 2002). French aircraft of the First World War. Flying Machines Press. p. 259. ISBN 1891268090.
  5. ^ Enzo, Angelucci (1983). The Rand McNally encyclopedia of military aircraft, 1914-1980. San Diego: Military Press. p. 88. ISBN 0-517-41021-4.

Further reading

  • Durkota, Alan; Darcey, Thomas; Kulikov, Victor (1995). The Imperial Russian Air Service — Famous Pilots and Aircraft of World War I. Mountain View, CA: Flying Machines Press. ISBN 0-9637110-2-4.
  • Morareau, Lucien (2002). Les Aeronefs de l'Aviation Maritime. Paris, France: ARDHAN (Association pour la Recherche de Documentation sur l'Histoire de l'Aeronautique Navale. pp. 44–47. ISBN 2-913344-04-6.
  • "THE FRANCO-BRITISH AVIATION Co Ltd". Flight. V (No. 52) (261): 1405. 27 December 1913. Retrieved 10 December 2018.


This page was last edited on 4 November 2020, at 20:05
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