Martinsyde F.1

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Martinsyde F.1
Role Biplane fighter aircraft
National origin United Kingdom
Manufacturer Martinsyde
First flight 1917
Primary user Royal Flying Corps
Number built 2

The Martinsyde F.1 was a British two-seat biplane fighter designed and built by Martinsyde Limited, only two prototypes were built.[1]

Design and development

The F.1 was designed as a fighter for the Royal Flying Corps and it was a large tractor biplane powered by a 250 hp (186 kW) Rolls-Royce Mk III piston engine.[1] It had two tandem open cockpits with unusually the observer forward and the pilot behind.[1] A rectangular aperture was cut-out of the upper wing above the observer's cockpit which would allow the observer to use a gun.[2] It was tested at Martlesham Heath in July 1917, where it demonstrated good handling but was criticised for the awkward crew arrangement.[2] It was not ordered into production and only one prototype (of two ordered) was built. It continued in use at Farnborough until after the end of the war.[1][3][4]

Specifications

Data from War Planes of the First World War: Volume 1 Fighters[3]

General characteristics

  • Crew: 2
  • Length: 29 ft 1 in (8.86 m)
  • Upper wingspan: 44 ft 6 in (13.56 m)
  • Lower wingspan: 44 ft 2 in (13.46 m)
  • Height: 8 ft 6 in (2.59 m)
  • Wing area: 467 sq ft (43.4 m2)
  • Empty weight: 2,198 lb (997 kg)
  • Gross weight: 3,260 lb (1,479 kg)
  • Powerplant: 1 × Rolls-Royce Mk III water-cooled V-12 engine, 250 hp (190 kW)

Performance

  • Maximum speed: 109.5 mph (176.2 km/h, 95.2 kn) at 6,500 ft (1,980 m)
  • Endurance: 3 hr 45 min
  • Service ceiling: 16,500 ft (5,000 m)
  • Time to altitude: 13 min 40 s to 10,000 ft (3,050 m)

Armament

  • Guns: Possibly 1× Lewis gun operated by observer

References

Wikimedia Commons has media related to Martinsyde F.1.

Notes

  1. ^ a b c d Orbis 1985, p. 2296
  2. ^ a b Bruce 1965, pp. 154, 156.
  3. ^ a b Bruce 1965, p. 156.
  4. ^ Robertson 1987, p. 29

Bibliography

  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
  • Bruce, J.M. (1965). War Planes of the First World War: Volume 1 Fighters. London: Macdonald.
  • Robertson, Bruce (1987). British Military Aircraft Serials 1878-1987. Letchworth, England: Midland Counties Publications. ISBN 0-904597-61-X.
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