Farman HF.20

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Template:Short description

HF.20
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Role Reconnaissance aircraftTemplate:Short description
Manufacturer Farman
Designer Henri Farman
First flight 1913
Developed from Farman HF.16
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A HF.20 biplane at Nicopolis airfield, near Preveza, in December 1912

The Farman HF.20 and its derivatives were a family of reconnaissance aircraft produced in France shortly before and during the First World War. It was a refined version of the Farman MF.11 "Shorthorn" that did away with the type's distinctive landing skids, and incorporated design features from Henri Farman's designs. It entered service with the French, Belgian and Serbian armies in 1913 (two aircraft conducted reconnaissance during the Siege of Scutari in the First Balkan War and one crashed), and with the British RFC and RNAS shortly after the outbreak of war. The type was also licence-built in the UK by Airco and Grahame-White.

The HF.20 was seriously underpowered, and a variety of engines were trialled in the hope of correcting this, none with much success. The problem was eventually solved only when an engine of twice the power of the original powerplant was fitted to the HF.27 variant, by which time the aircraft was already obsolete. Nevertheless, the performance of the HF.20 made it adequate for use on secondary fronts.

Variants

HF.20
original version with Gnome Lambda engine
HF.21
Template:Cvt span and increased wing area version with Gnome Lambda engine. At least one of the few built, entered service with the Fliegertruppe of Switzerland.
HF.22
Template:Cvt span and increased wing area version with Gnome Lambda engine.
HF.22 floatplane
(aka HF.22bis or Savoia-built HF.22-H)
HF.23
Template:Cvt span version with Gnome Lambda engine
HF.24
Template:Cvt span aerobatic version with Gnome Lambda engine
HF.27
Template:Cvt Canton-Unné R9 engine or Template:Cvt Renault engine with a revised undercarriage that included nose wheels similar to the Voisin III.

Operators

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HF-20 of the Swiss Air Force during the First World War
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Escadrille HF 1
Escadrille HF 7
Escadrille HF 13
Escadrille HF 19
Escadrille HF 28
Escadrille HF 32
File:Flag of Greece (1822-1978).svg Greece
Template:Country data Kingdom of Italy
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File:Flag of Serbia.svg Serbia
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File:Flag of Switzerland (Pantone).svg  Switzerland
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Template:Flagicon Union of South Africa

Specifications (HF.20)

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References

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Bibliography

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  • Thomas, Andrew. "In the Footsteps of Daedulus: Early Greek Naval Aviation". Air Enthusiast, No. 94, July–August 2001, pp. 8–9. Template:Catalog lookup linkScript error: No such module "check isxn".Script error: No such module "check isxn".Script error: No such module "check isxn".Script error: No such module "check isxn".Script error: No such module "check isxn".Script error: No such module "check isxn".Script error: No such module "check isxn".Script error: No such module "check isxn".Script error: No such module "check isxn".

Further reading

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