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Страна: Франция

Год: 1922

Единственный экземпляр

J.Davilla, A.Soltan French Aircraft of the First World War (Flying Machines)

Schneider Henri-Paul S3

  When the S class specification was formulated in 1918 by the STAe it was hoped that French manufacturers could produce a series of ground attack aircraft as effective as the Junkers J.I series. The S3 classification called for a three-seat attack aircraft heavily armored for low altitude attacks with a 75-mm cannon; it was also to be equipped with a radio and camera. Obviously, such an aircraft was going to be large and it appears that only two were built that could fulfill the STAe's requirements - the Voisin 12 S3 and the Schneider Henri-Paul S3.
  The Henri-Paul was designed by Etablissements Schneider but was built at least in part by Farman, as Schneider did not have a factory. It was a huge three-bay biplane with equal span wings whose outer panels were sharply swept back. The engines were four 370-hp Lorraines mounted back-to-back in twin nacelles on either side of the fuselage. There were twin wheels under each of the nacelles, as well as a small nose wheel. The angular fuselage terminated in a biplane tail with elevators. A large central fin and rudder, as well as two lateral fins, were fitted between the biplane tail. Construction was entirely of steel and light alloy. Photographs clearly show that the crew had an open cockpit on the prototype, but drawings show that an enclosed cabin was under consideration. Gunners were located in open cockpits in the nose and amidships. It was intended to fit 37-mm cannons in each of these positions. Consideration was also given to placing a 75-mm cannon in the nose inside a special balcony underneath the fuselage. However, it was never fitted.
  The Janes All the Worlds Aircraft for 1924 shows that the aircraft was just being completed. The annual notes that the aircraft was now in the BN2 category, suggesting that it was no longer being considered for use in the ground attack role but rather was to been employed as a heavy bomber.
  The aircraft was tested at Harfleur by Etablissements Schneider in the early 1920s and subsequently the Henri-Paul was flown to Villacoublay for official tests. It was not selected for production.


Schneider Henri-Paul S3 Three-Seat Ground Attack Aircraft with Four 370-hp Lorraine Engines
   Span 30 m; length 19.9 8m; height 6.1 m; wing area 220 sq. m
   Loaded weight 10,000 kg
   Maximum speed: 160 km/h; ceiling 5,000 m; range 750 km
   Armament (planned, but never fitted): two 37-mm cannons and one 75-mm cannon
   One built

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  • J.Davilla, A.Soltan French Aircraft of the First World War (Flying Machines)