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Aviation History
1943
1943 - 1304.PDF
FLIGHT Forty-ninth of the Latest Recognition Series Aircraft Types and STORMOVIK II-2C TIE .aircraft of our Soviet allies have always beenthe subject of much speculation in this country.The Stormovik (II-2C), however, is a Russian type about which a fair amount of information has been released for publication, and it is certainly about the best-known type among Russian military aircraft to-day; and although it has often been referred to as a dive-bomber (probably due to lack of precise information on its duties when it was first announced by the Russians) it actually fills the role of low-level attack bomber. Designed by Sergei Iliuchin, the Stormovik is a single- seater, single-engined, low-wing monoplane of conven- tional design and appearance. The earlier types were of mixed construction, the wing and front part of the fuse- lage being of metal and the rear part of wood. The II-2C, however, Is an all-metal aircraft, the fuselage now being a light alloy monocoque structure. Light alloy stressed- skin covering is employed on all surfaces except the ailerons, elevators and rudder. A prominent recognition feature lies in the rearwardly retracting undercarriage. The twin oleo legs in which the wheels are mounted retract into large streamlined fairings, but the wheels are only partially enclosed by twin hinged doors, their lower arcs being exposed. The cockpit cover forms a hump on an otherwise long, straight back, and a large single fin and rudder is employed. The leading-edge of the wings tapers outboard of the undercarriage fairings, the centre-section being straight, but the trailing-edge tapers right from the roots; the tips are symmetrically rounded. The tailplane is comparatively small and of low aspect-ratio, with a pronounced backsweep to the leading- edge and a slight taper on the trailing-edge. A particularly interesting feature of the Stormovik is its use as a " rocket bomber " in low-flying attacks. Four bombs of about 250 lb. each gkre carried on rails under the outer-panels of the wings, aad are projected forwards at the ground target. Two 32 mm. cannon and four machine-guns are mounted in the wings, and the 1,300 h.p. liquid-cooled M-38 12- cylinder "V" type engine is well protected by armour, as is also the cockpit. Top speed is in the region of 280 m.p.h. at 13,000ft. MODERATE TAPER MACHINE ,CUNS CANNON UNDERCARRIAGE FAIRINCS , DIHEDRAL LOW ASPECT-RATIO DIMENSIONS Span Length .. Height .. Wing area 49ft. .. 38ft. bin. .. 12ft. 9in. (approx.) .. 439 sq. ft.
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