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Aviation History
1930
UNTITLED0 - 1509.PDF
FLIGHT, DECEMBER 12, 1930 Renault engine described and illustrated in FLIGHT a shorttime ago, while the third machine, the C.195, is also a light 'plane, but a low-wing cantilever monoplane of all-woodconstruction. This also has the 95-h.p. Renault engine. COUZINET Regarded by many visitors to the Paris Aero Show as a " freak," but at least showing some originality of thought and a determination to attempt to improve aerodynamic efficiency, the Couzinet type 20 is a little three-engined light monoplane with 40 h.p. Salmson engines. The under- carriage is so designed that the wheels can be raised into construction. The fuselage is metal-plated, but the wing is fabric-covered. This machine carries pilot and four passengers. FARMAN This year the Farman Brothers exhibit civil aircraft only,of which four are shown. One of these is the little F.190 which was at the last Paris show, and one of which recentlyflew from France to Indo-China in record time. The F.200 is a recent introduction. It is a light-'planetwo-seater parasol monoplane, strut-braced, fitted with the beautiful little six-cylinder Hispano 100 h.p. water-cooledengine shown at Olympia last year. A split undercarriage The Dewoitine D.30 is a single- engined 10- seater passenger aero- plane. (FLIGHT Photo.) the outboard engine housings and partly buried there. Tous it appears doubtful whether the projecting half of the wheels, plus the fact that the axles, radius rods, and telescopiclegs lie some 2 in. away from the lower surface of the wing, will not give as much drag as if the undercarriage had beenleft hanging down. But it should be possible to design undercarriages of a different type, in which all, or practicallyall, could be entirely buried, and in that case the machine should have a very high maximum L/D. The three Salmson engines are mounted in very pointedhousings which are continued past the propellers in the form ui spinners. The machine is a low-wing monoplane of all-wood construction, and is designed to carry pilot and four passengers at a cruising speed of 150 km./h. (93 m.p.h.).In view of the fact that five persons are carried for a power expenditure of 120 h.p., or 24 h.p. per occupant, this seemsto be extremely good. The cruising range is stated to be six hours, or 900 km. (560 miles). DEWOITINE Of the four machines exhibited by Dewoitine, two are ofthe familiar D.27 type, one a single-seater fighter, and the other a training machine. The former has a 500 h.p. Hispano-Suiza engine, while the school machine has a Gnome-Rhone Titan radial air-cooled of 300 h.p. The other two machines are commercial types. The D.30is a large commercial cantilever monoplane, single-engined (650 Hispano-Suiza), and of all-metal construction. Thefuselage is metal-covered, and the wing is metal-covered Trom leading edge to mid-chord. A ridiculously smallLamblin radiator under the belly of the fuselage looks wholly inadequate for dealing with a 600-h.p. engine. The D.30is designed to carry 10 passengers The main data relating to the Dewoitine D.30 are : length,14 m. (45 ft. 11 in.) ; wing span, 25-18 m. (82 ft. 6 in.) ; wing area, 65 sq. m. (70i> sq.ft.) ; tare weight, 2,476 kg.(5,425 lb.); gross weight, 4,486 kg. (9,875 lb.); maximum speed, -15 km./h. (133 m.p.h.) ; range, 860 km. (*35 miles). A smaller commercial or " feeder line " machine is theDewoitine D.35. Fitted with a 300 h.p. Hispano-Wright engine, this machine is a strut-braced monoplane of all-metal is fitted, and wheel brakes are provided. A Lamblin radiatoris placed under the belly of the fuselage. The Farman F.231 is a low-wing cantilever-monoplane,light two-seater with 95-h.p. Renault engine. Of a different class is the Farman F.301, a commercialeight-passenger machine fitted with three Salmson engines of 230 h.p. each. It is a strut-braced, high-wing monoplane,and certainly looks a great improvement compared with the " Jabiru." HANRIOT Some change appears to have taken place in the Hanriotfirm, which this year is styled Lorraine-Hanriot. Three machines are exhibited. The 21 S is an Avion Sanitaire with120 h.p. Lorraine engine. It has a metal fuselage and plywood-covered wing (semi-cantilever). The Hanriot H.431 is described as an " Avion biplacede Travail et de Liaison," and is a sort of general purpose machine carrying camera, wireless, and night-flying equip-ment. It is an unequal-span biplane of mixed construction The engine is a 240 h.p. Lorraine " Mizor." The Hanriot H. 10 ED 2 is a strut-braced parasol mono-plane two-seater school machine with 100 h.p. Lorraine engine. The machine is intended for preliminary schoolwork. LATECOERE Of the two machines exhibited by Latecotre, one is athree-engined commercial machine, and the other a single- engined seaplane. The commercial monoplane is known asthe Lat. 350, and intended for passenger and air mail work. It is a strut-braced sesquiplane in that short low wing stumpsrun from the fuselage to the bottom of the outboard engine nacelles. The fuselage is metal plated, while the wing isfabric covered. The engines are 400 h.p. Hispano-Suiza water cooled, one mounted in the nose and two outboard,on top of the short lower plane. We gather that this machine has not yet flown. The Lat. 28 is something of a world's record holder, no less than 11 records standing to its credit, mostly in the distance and duration, with 1,000 and 2,000-kg. useful-load class. With a petrol capacity of 2,400 litres (530 gallons). 1431 c 2
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