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Aviation History
1942
1942 - 1436.PDF
40 FLIGHT JULY gtH, 1942 NORTH AMERICAN MITCHELL" B.25C Photographs and General Arrangement Drawing 0/ the Type Which Bombed Tokyo T HE North American Mitchell follows the conventional layout of twin-engined American medium attack bombers. It has a tricycle undercarriage and twin fins and rudders. The latter take the form of end plates on the tailplane. The main plane has a negative dihedral of one-half deg. outboard from the engine nacelles. In the nose is the bomb-aimer, who has a single rifle calibre machine-gun on a flexible mounting. Behind and above him are the side-by-side positions (or the two pilots, who have excellent visibility both sideways and forwards. In line with the engines and forward ol the main spar is a ioomv compartment for the radio operator-navigator. An astro dome is in the roof of this compartment covered with transparent synthetic material which is optically perfect in, order that no distortion occurs when sights are being taken with a sextant. A special folding stool is provided lor the navigator to stand on while taking sights. The petrol tanks are in the centre section and below these are the bomb racks. In the rear gunner's compartment is a Bendix power-operated dorsal turret with two 0.5m. machine-guns, and, lor protection from zooming fighters, there is another twin-gun position in the floor. Unlike some of the other American tvpes, there is inter communication between all the compartments. There is a crawl way over the centre section joining the main cabin and the rear gunner's position, and there is also a crawl way under the pilots' position and to the port side of the retracted nose wheel which enables communication to be made with the bomb aimer if necessary. There is, of course, the usual telephonic intercommunication between all members of the crew. The engines are G.R.-2600-5AB Wright Double Row Cyclones of 1,700 h.p., which are fitted with Holley carburettors. The, modern "butter pat" blades are fitted to the airscrew to keep down diameter. *i WKlmm^<>um>lmm>mjMl»mmmm'^:<»*t®,* mmmmmm
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