Farman HF.20 – Fotografije & Video

Farman HF.20
Državi	Francija
Vlogo	Izvidni zrakoplovi
Obdobje	Prva svetovna vojna

V 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 Shkodër 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.

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V Farman HF.20 je bilo dvosedežno dvokrilno izvidniško letalo, ki ga je leta 1913 zasnoval in izdelal francoski letalski pionir Henri Farman. Med prvo svetovno vojno ga je pogosto uporabljala francoska vojska in druge evropske letalske sile. HF.20 je imel lesen okvir, prekrit s tkanino, in potisni propeler, ki ga je poganjal rotacijski motor. Imel je razpon kril 14,2 metra in dolžino 9,5 metra.
Lahko je nosil pilota in opazovalca v tandemskih odprtih pilotskih kabinah, pa tudi mitraljez in nekaj bomb. HF.20 je imel največjo hitrost 105 km/h in doseg 300 km. Pohvaljen je bil zaradi svoje stabilnosti, okretnosti in vzdržljivosti, vendar je bil tudi ranljiv za sovražnikov ogenj in je imel slabo vidljivost za pilota. HF.20 je bil postopoma nadomeščen z naprednejšimi letali, vendar je ostal v uporabi do leta 1918.