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Aviation History
1943
1943 - 0031.PDF
JANUARY 7TH, 1943 FLIGHT 11 MODERN FRENCH DESIGNS miles. Estimated bomb load is 7,800 lb. Finally, mention should be made of an experimental high-altitude low wing monoplane at present still under development. No details of this type are available except that it has a pres- sure cabin for flights up to 49,000ft. and is equipped with two Hispano Suiza 12Z liquid-cooled 12-cylinder engines housed side by side in the fuselage nose and driving two contra- rotation airscrews. They are enclosed in a N.A.C.A. cowling, which also accommodates the coolant radiators. The fuselage, which accommodates a crew of five, is completely streamlined with only a transparent dome for the head of the pilot slightly projecting. The undercarriage retracts into the thick wing. Civil Types Reverting to civil types, some pro- gress in the development of pre-war prototypes can be recorded. The Bloch 161, a commercial trans- port aircraft, is designed to accommo- date 33 passengers and a crew of five or six. The aircraft has an empty weight of 28,660 lb., and a disposable load of 19,840 1b. Wing area is 1,185 sq. ft., and wing loading approximately 41 1b./sq. ft. It is fitted with camber- changing flaps and powered with four Gn6me-Rh6ne 14N44 or 14N45 14- cylinder, twin-row radial engines of over 1,000 h.p. Some 25 machines of this type are reported to be in pro- duction at the S.N.C.A. du Midi works at Toulouse and the Dewoitine factory. The S.N.C.A. du Sud-Ouest is en- gaged on the development of the fol- lowing types: — The SO-3ON, a twin-engined com- mercial transport aircraft, accommo- dating 23 passengers and a crew of four. This is an all-metal mid-wing monoplane, featuring a cylindrically shaped fuselage with a pressure cabin, an undercarriage retract- ing into engine nacelles, and a twin-rudder unit. A pressure equivalent to that at 8,200ft. alti- tude will be maintained in-the cabin by blowers designed to maintain this pressure up to 19,000ft. Wing area is 755 sq. ft., gross weight 26,500 lb., and wing loading 34.2 lb. / sq. ft. The aircraft is powered with two Gnome - Rhone 14N44 or 14N45 engines, and develops a cruising speed of 220 m.p.h., and a maximum speed of 300 m.p.h. at 19,700ft. The SO-3OR is a development of the above, accommodating 30 passengers, (Top) the S.E.700 Gyroplane.(Bottom) the Dewoitine D-520 single seater low-wing fighter. Wing loading : Provision is made in the wing ofthe Latecoere 631 for the stowage of freight ; a small detachable hoist is used for loading and unloading. and powered with Gnome-Rhone 14R i4-cylinder( twin-row a.c. radial engines of 1,590 h.p. for take-off. The aircraft has a gross weight of 33,000 lb., a wing area of 883 sq. ft., wing loading of 39.5 lb./sq. ft., and power loading 4.67 lb./h.p. The S.N.C.A. du Sud-Ouest has two further types in production: the SO-90 and the SO-91. Both air- craft are all-metal cantilever mid-wing monoplanes with twin-rudder units, and fitted with two supercharged Beam 6-cylinder, air-cooled, in-line engines of 375 h.p. They have a useful load of 2,650 lb., including eight pas- sengers. Camber-changing flaps, similar to those employed on the West- land Whirlwind, are to be provided for both types. Both types have identical dimensions and characteristics, namely, wing area 323 sq. ft., wing loading 28.1 lb./sq. ft., and power loading 12.1 lb./h.p. The only dif- ference between the two types is the undercarriage, which on the SO-90 is of conventional design, and on the SO-91 is a tricycle type. Marked in these designs of the S.N.q.A. du Sud-Ouest is the prefer- Assembly completed : The S.E. 200 is one of the three flying boats recently constructed. It is powered with six Wright Cyclone18-cyl. engines of 1,300 h.p. and can accornmodate 70 passengers or 40 in sleeping berths.
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