Potez IX
The Potez IX was an early airliner produced in France in the 1920s, a further development of the SEA IV that Henry Potez had co-designed during the First World War.[1][2]
Design and development
The design mated an entirely new fuselage to the wing and tail structures of the earlier military aircraft.[1][2][3] This fuselage was very deep, nearly filling the interplane gap, and carried within it a fully enclosed cabin with seating for four passengers.[1][2][3] The nose area was carefully streamlined[2] with curved aluminium,[4] but other aspects of the construction were conventional for the day; wooden structures skinned in plywood (the passenger cabin) or fabric (the rest of the aircraft).[5] The pilot sat in an open cockpit aft of the cabin.[2][5]
The prototype flew in 1920,[6] and was followed by around thirty production examples that differed from it in having a larger tail fin and rudder.[2] The Compagnie générale transaérienne operated Potez IXs on cross-channel air services between Paris and London.[6] The Compagnie Franco-Roumaine de Navigation Aérienne flew these[5] on routes linking Paris to Warsaw via Strasbourg and Prague, and from Paris to Budapest via Strasbourg and Vienna, later extending its services to Bucharest and Constantinople.[6] Franco-Roumaine, and its successor airline CIDNA operated the Potez IX until 1928.[1][7]
The Potez IX S, a one-off modified version with wings of larger area,[2] flew in the Grand Prix de l'Aéro Club de France in June 1921 with Gustave Douchy at the controls.[8] Douchy was disqualified in the third stage of the competition.[8]
Specifications
Notes
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- ↑ a b c d Taylor 1989, p.747
- ↑ a b c d e f g The Illustrated Encyclopedia of Aircraft, p.2760
- ↑ a b "The Paris Aero Show 1921" 22 December 1921, p.841
- ↑ "The Paris Aero Show 1921" 17 November 1921, p. 764
- ↑ a b c "The Paris Aero Show 1921" 22 December 1921, p.842
- ↑ a b c Stroud 1966, p. 176
- ↑ Stroud 1966, p. 177
- ↑ a b "The French Aero Club Grand Prix", p.430
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References
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