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Aviation History
1937
1937 - 0184.PDF
66 FLIGHT. JANUARY 21, 1937. Two civil-rated Aquila sleeve-valve engines power the businesslike Bristol 143 transport monoplane. edge flaps and D.H. variable pitch air screws are specified-. The main data are: Span 123 ft., length 110 ft., gross weight 45,000 lb., and maximum speed approximately 200 m.p.h. Makers; Sir W. G. Armstrong Whit- worth Aircraft, Ltd., Coventry. A' The preliminary symbols in the designation of the Blackburn H.S.T.10 indicate "high-speed transport." The engines are sixteen-cylinder Napier Rapiers. fuselage is divided up into separate cabins, there being four in the European and three in the Empire class. Mails and baggage are stowed in a hold on the upper deck of the middle compartment. AVRO LTHOUG1I at the moment R.A.F. expansion is demanding most of the Avro Company's attentions, the develop ment of the 652 commercial monoplane has not been abandoned. In fact, a number of refinements incorporated in the Anson military monoplane (a develop ment of the original 652 design) are being speciiied for the latest commercial model of the 652. Features of the new type are an improved tail and modified engine nacelles and cowlings. Structurally the machine has a welded steel tube fuselage and wooden wing The two engines are Siddeley Cheetah IXs which can drive fixed- or variable-pitch airscrews. . The wheels of the undercarriage retract into the nacelles behind the engines. At 6,000 ft. a maximum speed of about 195 m.p:h. is The small twin-engined biplane above is the Dragonfly (two Gipsy Majors) ; (top right) a machine of the 86 series (four Gipsy Sixes) be longing to Qantas Empire Airways; and (lower right) a Rapide (two Gipsy Sixes) operating on skis. Four moderately supercharged Arm strong Siddeley Tiger IX 14-cylinder two-row radials are mounted forward of the leading edge of the high mono plane wing, the wheels of the under carriage retracting into the nacelles behind the inboard engines. Trailing km#M < . i^fcwsw^. «»**-. -at.l.
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