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From Wikipedia, the free encyclopedia

Farman HF.14
Farman HF.14 biplane on floats.jpg
Farman HF.14 at Deauville in 1913 configured as a Floatplane
Role Reconnaissance
National origin France
Manufacturer Farman Aviation Works
Designer Henri Farman
First flight July 1912[1]
Introduction 1912
Developed from Farman HF.6

The Farman HF.14 was a French two seat reconnaissance type produced by Farman Aviation Works before World War I.

Design and development

Designed by Henry Farman and built at the Farman factory in Boulogne-Billancourt north of Paris, the HF.14 was an improved version of the HF.6. The two bay sesquiplane featured unstaggered wings with conventional interplane struts and a fuselage of wood and steel construction.[2] The large ailerons were installed only on the upper wing and were interconnected, unlike some earlier Farman designs with single acting ailerons that hung down with the aircraft at rest.[2] Using the same triangular empennage support structure as the HF.6, the new aircraft had a more streamlined horizontal stabilizer and an oval rudder. This set up was used by Farman in many of his later designs.[2]

When fitted out as a floatplane the machine had one tail and two main floats. All three were of a plain non-stepped type and could move independently of each other using steel and rubber spring assemblies.[2]

The HF.14 was powered by a 7-cylinder, air-cooled Gnome Lambda rotary piston engine of 80 hp in a pusher configuration. Part of the upper wing was cut away to provide clearance for the propeller and passengers had to be careful not to let anything get drawn into and strike the blades.[2]

Operational history

Over the course of its useful life the HF.14 was employed privately as a racing plane and later by the military as a trainer.[2] One HF.14 was seen to have four passengers behind the pilot and in November 1913 French aviator Maurice Chevillard became the first to loop a biplane, flying a Farman HF.14.[3]


Specifications

Data from Aviafrance.com[1][3]

General characteristics

  • Crew: 2
  • Capacity: (up to four passengers)
  • Length: 8.36 m (27 ft 5 in)
  • Wingspan: 13.75 m (45 ft 1 in)
  • Height: 3.41 m (11 ft 2 in)
  • Wing area: 32 m2 (340 sq ft)
  • Empty weight: 175 kg (386 lb)
  • Max takeoff weight: 295 kg (650 lb)
  • Powerplant: 1 × Gnome Lambda 7-cylinder, air-cooled rotary piston engine, 60 kW (80 hp)

Performance

  • Maximum speed: 65 km/h (40 mph, 35 kn)
  • Endurance: 3 hours

References

  1. ^ a b Bruno Parmentier (17 June 1999). "Henry Farman HF.14". aviafrance.com. Retrieved 23 August 2015.
  2. ^ a b c d e f "Farman HF.14". flyingmachines.ru. Retrieved 29 August 2015.
  3. ^ a b Opdycke, Leonard E. (1999). French Aeroplanes before the Great War. Atglen: SchifferPublishing Limited. p. 122. ISBN 0-7643-0752-5.

External links

  • Henry 'Henri', Maurice and Richard 'Dick' Farman [1]
This page was last edited on 28 May 2020, at 03:50
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