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Aviation History
1926
1926 - 0885.PDF
DECEMBER 2, 1926 NIEUPORT-ASTRA. THE Nieuport-Astra Company, which originated in 1915 thesingle-seater fighter type of military aeroplane with its Bebe Nieuport, is the largest purveyor of fighting machines to theFrench Military Air Service, where the majority of escadrilles de chasse are equipped with the Nieuport 29 C.I type (300 h.p.Hispano-Suiza). The replacement of this type by a more powerful machine caused the French t'nder-Secretariat ofAeronautics to hold in 1924 and 1925 a competition for single- seater fighters, as a result of which orders were let to severalmanufacturers, including the Isieuport-Astra Company Loire-Gourdou-Leseurre, and Michel Wibault. The Nieuport-Delage fighter adopted by the FrenchMilitary Air Service, type 42 C.I (500 h.p. Hispano-Suiza), will be exhibited at the Salon de VAviation, as will be a newcategory of military aeroplane, called a " light fighter," in the form of type 48 C.I (400 h.p. Hispano-Suiza). The prin-cipal military difference between the two types is that the light fighter only carries two synchronised machine guns,whereas the heavy fighter mounts two wing guns besides. Constructionally the two types are almost identical. Thefuselage is of the monocoque "type, and is built in two halves, split along the horizontal, of strips of glued tulip wood andspruce longerons. In the forward portion the fuselage is reinforced by a framing of riveted sheet duralumin whichis bolted to the monocoque skin. This framing gives the machine great rigidity and resistance against torsionalstresses, for it not only serves as the engine mounting, but also forms the central structure to which the upper wing andthe undercarriage are fixed. The framing extends as far back as the pilot's cockpit. The top wing has duralumin box spars and plywood ribs,while the bottom winglet is entirely timber-built. The axle THE NIEUPORT-DELAGE 42 C.I single-seater fighter with 500 h.p. Hispano engine. fairing is in the shape of an aerofoil, and thus contributes tothe sustentation. The top wing is braced to the under- carriage by means of Y-type struts. In the type 48 C.I thereis no bottom winglet. The wing bracing struts as well as the undercarriage struts are built of riveted sheet duralumin.The cabane struts are duralumin tubes. Specification of Nieuport-Del age 42 C.A. Fighter Aeroplane Engine, 500 h.p. Hispano-Suiza ; span, 12*00 m. ; length, 7-50 m. ; height, 3-00 m. ; area, top wing, 25-25 sq. m. ; area bottom wing, 4-25 sq. m. ; area, axle fairing, 1-75 sq. m. total wing area, 31 -75 sq. m. : weight, equipped, 1,379 kgs. fuel load (for 2 hours), 268 kgs. ; disposable load, 161 kgs. weight-loaded, 1,808 kgs. Official Performances (S.T.Ae.) Altitude. Climbing Time. Maximum Speed. Metres. Mins. Sees. Km. p.h. 1,000 . 2 6 266-5 2,000 4 1 266-53,000 6 15 266-3 4,000 9 13 265-35,000 13 3 262-3 6,000 8 12 251-57,000 25 31 238-0 Ceiling, 8,000 m. ; unstick run, 106 m. ; landing run,150 m. ; safety factor, 15. The disposable load includes 2,000 rounds of ammunitionfor the four guns, as well as signalling apparatus. The weight equipped includes all the non-dischargable weights which THE NIEUPORT-DELAGE 48 C.I is of the type nowknown in France as a "Light Fighter." The engine is a 400 h.p. Hispano. form the standard equipment of French fighting aeroplanes,namely, instruments, machine guns, gun sights, heating apparatus, parachute, fire extinguisher, self-starter, oxygeninhalator, 64 litres of water and 42 kgs. of protective material for the fuel tanks. Specification of the Nieuport-Dclagc 48 C.I Light FighterEngine, 400 h.p. Hispano-Suiza; span, 10.00 m.; length, 6-40 m. ; height, 2-78 m. ; wing area, 18-38 sq. m. ; axlefairing area, 1 sq. m. ; total supporting area, 19-38 sq. in.; weight equipped (empty), 1,032 kgs. ; disposable load, 98 kgs. \fuel load (\\ hours), 160 kgs. ; weight, loaded, 1,290 kgs. Official Performances (S.T.Ae. Tests) Altitude.Metres. 1,000 2,000 3,000 4,0004,500 5,000 5,500 6,000 6,500 Climbing Time.Mins 2 4 6 10 13 16 20 27 40 Sees14 21 54 39 12 16 56 24 16 Maximum Speedlvm. p.h. 275 272 269 263 255 The " weight equipped " does not include any heatingapparatus or oxygen inhalator, as they are not deemed necessary at the altitudes at which this machine will be calledupon to perform. The disposable load includes the weight of the pilot andthat of 700 rounds of ammunition. POTEZ THE Henri Potez firm is one of the two principal purveyorsof corps observation (or army co-operation) aeroplanes, that is, medium bomber-fighter two-seaters to the military airservices of France and the countries of the Little Entente, Czechoslovakia excepted. Potez two-seaters have also beenfurnished in series to Denmark, Esthonia, Japan, Spain and Portugal. Visitors to the Salon de V Aeronautique will see this year thelatest type of corps observation aeroplanes produced by Henri Potez, that is, type 25 A.2—which is the " oppositenumber " to the Breguet 19 A.2, just as the Potez 15 A.2 was THE POTEZ 25 A.2 with 450 h.p. Hispano engine,is an army co-operation biplane of recent design. 785
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