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Aviation History
1934
1934 - 0897.PDF
AUGUST 30, 1934. FLIGHT. 899 AMERICAN MILITARY MONOPLANES By ALFRED CELLIER Continued from page 865) WITH the Observation Class a repetition occurs intwo of the models that are identical to their proto-types of light bombardment aeroplanes, except for their interior installations, which do not include bomb racks. The first of these is the Fokker 0-27, whose prototype is the B-8. This is an Army Observation machine with the same power plant and dimensions as the bomber. The span is 64ft., length 47ft. 6in., and the height lift. 6in. The other Army Observation type is the Douglas 0-35, prototype of the Douglas B-7, and identical The landing gear is not of the retractable type, but " pants " on the wheels add to the speed, which is reputed to be in the neighbourhood of 195 miles an hour. The 99th Observation Squadron is composed of machines of this type. Another such model is the Douglas 0-43 (see Flight of February 15, 1934), almost identical in appearance and dimensions, except that it employs a parasol-type wing in place of the gull-wing of the " 0-31 " ; its speed is about 190 m.p.h. Also of the Corps Observation class, but not of mono- FOR ARMY OBSERVATION : The Fokker 0-27 is designed for long-range reconnaissance. two Curtiss "Conqueror" engines of 650 h.p. each. It is fitted with in all outward respects. The purpose of these aeroplanes is long-range reconnaissance and night-observation mis- sions, and a number of them are allotted to squadrons of the gth Observation Group for service tests. With minor changes they are readily convertible to light bombers. The Corps Observation types, not to be confused with the Army Observation machines, are the single-engined aeroplanes, such as the Douglas 0-31 class. This is a typical two-seater monoplane with the Gull-wing, giving the pilot and observer excellent vision in all directions. plane design, is the new Curtiss "Raven," or 0-40, with the Wright "Cyclone" F engine of 700 h.p. This is a two-seater sesquiplane with transparent hooded cockpits and a retractable landing gear, which give it a high speed of 200 miles an hour. The dimensions of this machine, of which a few have been delivered for service tests, are': Span (top), 43ft. uin., and a length of 28ft. 3m. (A description was published in Flight of January 4, 1934.— ED.) A later model of the Raven, the 0-40B, is a high- wing parasol monoplane. THE DOUGLAS VERSION : Like the Fokker 0-27, the Douglas 0-35 is an Army Observation type, same type of engines, but is strutbraced and has the " gull's wing " formation. It has the
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