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The Potez 26 was a single seat fighter aircraft designed and flown in France in the mid-1920s. It did not reach production.

Potez 26
Role Single seat fighter
National origin France
Manufacturer Henry Potez
First flight August 1924
Number built 1
Developed from Potez 25

Design and development


The Potez 26 was a lighter, smaller span, single-seat fighter version of the two-seat biplane Potez 25 reconnaissance aircraft. Both types were sesquiplanes with markedly smaller lower wings.[1] Both upper and lower wings were rectangular in plan, with long-span ailerons only on the upper plane. They were single bay biplanes, their wing interconnected by N-form interplane struts assisted by wire bracing. These interplane struts leaned outwards and narrowed to meet the closer spars of the smaller-chord lower wing. Centrally, the upper wing was held over the upper fuselage by two pairs of struts, a parallel pair forward and an inverted V at the rear forming a cabane. There was a semicircular cut-out in the upper trailing edge to improve the pilot's forward view.[2]

The Potez 26 was powered by either a 340 kW (450 hp) Hispano-Suiza 12J V-12, or the 340 kW (450 hp) Lorraine 12Ed W-12, both cooled by a radiator under the rear of the engine cowling. The engine mounting enabled a rapid exchange of engines; the Lorraine W engine installation reduced the overall aircraft length by 350 mm (13.8 in). The mounting formed part of the forward fuselage structure, which had a plywood skinned central section containing the open cockpit,[1] raised above the structural fuselage, with decking falling away ahead and behind[2] and a wooden framed, fabric covered rear.[1] At the rear, the tailplane was mounted on the upper fuselage structure and externally braced to it from below with pairs of inverted V struts. Its fin was small and round edged, carrying a broad, deep rudder which reached down to the keel.[2]

The Potez 26 had a fixed tail wheel undercarriage with mainwheels on a split axle supported centrally by a V-strut, hinged on another pair of struts to the lower fuselage and with vertical, airfoil section shock absorbers.[1] There was a sprung tailskid.[2]

The Potez 26 made its first flight in August 1924[3] and was on display at the 1924 Paris Salon.[1] Only one was built.[3]


Specifications (Lorraine engine)


Data from L'Aérophile Salon-1924[1][4]

General characteristics

Performance

Armament


References


  1. "L'Aérophile Salon-1924". L'Aérophile. pp. 23, 25.
  2. Serryer, J. (29 January 1925). "Le sesquiplane Henry Potez". Les Ailes (189): 2.
  3. "Potez 26". Retrieved 27 September 2014.
  4. "Quelques characteristiques des Avions du Salon". L'Aérophile. 1–15 January 1925. p. 6.



На других языках


- [en] Potez 26

[fr] Potez 26 C1

Le Potez 26 C1 est un sesquiplan monomoteur français conçu en 1921.



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