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Aviation History
1940
1940 - 0470.PDF
146 FEBRUARY 15, 1940 GERMANY': Classed by the Germansas a" destroyer " the Fw 187 is a sleek two-seater fighter, though the version shownappears to be arranged as a single-seater. in the centre section of the wing alongside the fuselage, one free gun on top of the fuselage, and a fourth in the tail. Complete wireless and photographic equipment is carried. Data are: Span, 60.7ft.; length, 39.4ft.; wing area, 409 sq. ft. ; aspect ratio, 8.9; weight empty, fully equipped, 5,930 lb.; load, 1,570 lb.; gross weight, 7,500 lb.; wing loading, 18.3 Ib./sq. ft.; top speed, 199 m.p.h. at sea level, 222 m.p.h. at 8,530ft. ; 210 m.p.h. at 19,700ft. ; climb to 6,560ft. in 4 min., to 13,120ft. in 8.3 min., to 19,700ft. in 14.8 min.; service ceiling, 27,560ft. Fw 198 and Fw 187 The Focke-Wulf Fw 198 was first mentioned as having appeared at Nuremberg in September, 1938. Little in- formation is available, but, as the French technical Press hasten to point out, the machine is modelled on similar lines to the Hanriot H-110 built in France seven or eight years ago. This French machine could be fitted with one 33 mm. shell-gun and two machine-guns. Unlike the Hanriot, the Focke-Wulf probably has a nose wheel land- ing gear. The disposition of the radiator is not known (the engine is a Daimler-Benz DB 601 cc Junkers Jumo 211), but in the Hanriot an annular-type radiator was disposed in the nose of the nacelle. The Fw 198 has been likened to the Fokker D.23, which also has twin tail booms, but it must be remembered that the D.23 was designed to be fitted eventually with two D.B.oois, though the prototype has a pair of Walter Sagittas. Another formidable Focke-Wulf design of which more is known is the Fw 187 twin-engined two-seater fighter or "destroyer." This is a cantilever low-wing monoplane of all-metal monocoque structure. The wing is in three sections with detachable outer panels. Unlike that of the Fw 189, the centre section has four spars; the outer panels have three. A downward-hinging leading-edge section is fitted as on the other Focke-Wulf machine, and there are hydraulically operated split flaps on the centre section. The slim, oval-section fuselage is in four units. Hydraulic operation is provided for the undercarriage, which retracts rearward into the engine nacelles; the swivelling tail wheel is retractable, and it is stated that it can "serve as an emergency skid." The engines appear to be Daimler-Benz DB 601s, and the armament is said to be four-six machine-guns or four machine-guns and two shell-guns mounted in the sides of the fuselage, plus one free gun. The top speed of 360 m.p.h. is quite creditable, but the climb is outstanding. It is said that the machine gets to 6,560ft. in 1.9 min., to 19,700ft. in 6.8 min., and that the service ceiling is 38,700ft. Messerschmitt Me 110 The Fw 187 is in the same class as the Messerschmitt Me no, which has already been used quite extensively against our bombers. According to the Jahrbuch der Luftfahrt, the Me no has a single-spar light-metal wing, flush riveted and in two halves, each half being attached directly to the side of the fuselage. There are leading- edge slats as on the Me 109 and fabric-covered split flaps. The fuselage is a light-metal monocoque built in two sections, and it is said that the tailplane is adjustable and Little is known of the Fw 198 single- engined pusher fighter (below) but it may have been inspired by the French Hanriot H-110 (built 1932) illustrated approximately to scale above it.
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