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Aviation History
1934
1934 - 0862.PDF
864 FLIGHT. AUGUST 23, 1934. BOEING Pratt & Whirnzy 600 hp.'Wasp" Engine THE BOEING P-26 : General arrangement outline,drawings. Second of the monoplane b ambers is the Fokker B-8, produced by the General Aviation Corporation. This machine has a tapered wing flush with the top of the fuse- lage. The engine nacelles, housing two Curtiss "Con- queror" engines, are built directly into the wing above the landing gear. The landing gear is retractable and electrically operated, and, as in the Douglas B-7, the wheels swing back into receptacles in the under part of the engine nacelles, being mounted on parallelogram linkages. The fuselage, fin and wings of this machine, also classed as a light bomber, are fabric-covered, while the nose is covered with corrugated metal. These machines carry a crew of three in tandem, and are the equipment of the 30th Bom- bardment Squadron. A heavy bomber showing great promise is the Boeing B-9. These machines are all-metal of semi-monecoque construction, and are of the low-wing type with two Pratt and Whitney "Hornet" SGIR-1860B engines of 600 h.p., built into the wing directly above'the retractable landing gear. An outstanding feature of these aeroplanes is that they are equipped with a servo rudder that assists the pilot in handling his craft without the tiring effects caused by most large machines. While very little information is let out on this type, which exceeds the 200 m.p.h. mark, it is known that they have a service ceiling of 22,600ft. with full military load and 2,ooolb. of bombs. The machines c CURTISS'SWIFT" Cuttiss "Conqueror" Engine THE CURTISS " SWIFT " : General arrangement outline drawings. weigh 13,3501b., have a span of 76ft. nin., a length of 51ft. gin., and a height of nft. 7m. The chord at the greatest width is 15ft. A provisional squadron of the 2nd Bombardment Group is supplied with them. When the Army Air Corps believed that they had reached the ultimate in fast bombers, the Glenn Martin Company came forward with the squat-looking Martin B-10 and B-12 that are identical in appearance but have a few minor changes in equipment. (See Flight of February 15, I934-—ED.) These machines have two-geared Wright ' Cyclone " engines of 650 h.p. built into the wings. They carry a bomb load of 2,5001b. at a speed of 220 miles per hour. The wing and fuselage construction in the Martin is something entirely new, the latter being of the "restrained shell" construction that provides extreme strength and rigidity with approximately half the weight of the nionocoque type. Another feature of these machines is that the front gunner is completely enclosed in a trans- parent turret which affords the forward guns an effective- ness never attained before in high-speed aeroplanes. (The latest Boulton and Paul " Overstrand " has an improved gun turret in the nose.—ED.) The retractable landing gear when drawn up gives the machine the impression of a huge A PURSUIT TYPE : The Boeing P-26. The engine is a Pratt and Whitney " Wasp " of about 600 h.p.
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