Farman Aviation Works Farman HF.20 "Shorthorn"
Farman Aviation Works HF.20 "Shorthorn"
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| Role | Reconnaissance aircraft |
|---|---|
| Manufacturer | Farman |
| Designer | Henri Farman |
| First flight | 1913 |
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History Farman Aviation Works
Farman HF.20 Reconnaissance aircraft
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
- 15.5 m (51 ft) 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
- 15.58 m (51.1 ft) span and increased wing area version with Gnome Lambda engine.
- HF.22 floatplane
- (aka HF.22bis or Savoia-built HF.22-H)
- HF.23
- 18.08 m (59.3 ft) span version with Gnome Lambda engine
- HF.24
- 11.5 m (38 ft) span aerobatic version with Gnome Lambda engine
- HF.27
- 155 hp (116 kW) Canton-Unné R9 engine or 240 hp (180 kW) Renault engine with a revised undercarriage that included nose wheels similar to the Voisin III.
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Photo Gallery
Farman Aviation Works
Farman HF.20 Reconnaissance aircraft
Farman Aviation Works
Farman HF.20 Reconnaissance aircraft
General Info
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- Crew: 2 (pilot and observer)
- Length: 8.06 m (26 ft 5 in)
- Wingspan: 13.65 m (44 ft 9 in)
- Height: 3.15 m (10 ft 4 in)
- Wing area: 35 m2 (380 sq ft)
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Powerplant
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- Empty weight: 360 kg (794 lb)
- Gross weight: 660 kg (1,455 lb)
- Powerplant: 1 × Gnome Lambda 7-cylinder air-cooled rotary piston engine, 60 kW (80 hp)
- Propellers: 2-bladed fixed-pitch wooden pusher propeller
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Performance
- Maximum speed: 165 km/h (103 mph,
- Range: 315 km (196 mi, 170 nmi)
- Endurance: 3 hours
- Service ceiling: 1,050 m (3,440 ft)
- Time to altitude: 2,000 m (6,600 ft) in 22 minutes
- Wing loading: 18 kg/m2 (3.7 lb/sq ft)
Armament
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- Guns: 1 × machine gun on flexible mount for observer
- Bombs: small load of 75 mm (3.0 in) bombs
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Links to Youtube & Others
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,
Farman Aviation Works Farman HF.20 (1913)
Het Franse Farman was een van de belangrijkste vliegtuig fabrieken in de beginperiode van de luchtvaart rond 1908.
Youtube Link
Het is met recht een bijzonder vliegtuig te noemen. De romp en vleugels zijn geheel van hout en bespannen met linnen.
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