Development Junkers Ju 388

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portside view of preserved jumo 222e engine, intended ju 388j-2 through l-2


three sub-models of each variant planned, different in engine installation. -1 mount bmw 801j, turbocharged version of basic bmw 801 air cooled radial, each engine installed unitized triebwerksanlage engine installation format. -2 use 46.4 litre displacement, 1,864 kw (2,500 hp) jumo 222a/b 24-cylinder six-bank liquid-cooled engines (the b engine model rotated in opposite direction of model, otherwise identical), or identical displacement 222e/f versions improved two-speed supercharger triple intercoolers on each engine. -3 mount junkers jumo 213e liquid cooled inverted v12, included supercharger similar 222e/f s. since 24-cylinder jumo 222 engine destined never emerge beyond development , testing under 300 units ever built, powerplants used ju 388 bmw 801 radial , jumo 213 series v12s. triebwerksanlage designation unitized turbocharged bmw 801j radials, meant designated t after rlm engine type number of 801 , led them being misdesignated bmw 801tj engines years in post-war world war ii aviation history reference books.


with bmw 801j or jumo 213e, fighter versions flew @ 616 km/h (383 mph) when equipped destroyer, losing 25 km/h (16 mph) eight-dipole hirschgeweih antenna array used late-war, vhf-band neptun german ai radar , schräge musik when equipped night fighters. similar in speed existing luftwaffe night fighters, ju 388 maintained speed @ higher altitudes. jumo 222 engine, aircraft estimated capable of reaching around 700 km/h (435 mph), again losing 25 km/h (16 mph) in night fighter versions. bomber versions flew @ same speeds depending on bombload, while reconnaissance versions have been 25 km/h (16 mph) faster.


the first prototype, ju 388 l-0/v7, built ju 188 series production components, made first flight on december 22, 1943. demonstrated better handling @ altitude ju 88s due increase in tail surface area, streamlined-nose ju 88s, omitting bola gondola, still used original ju 88a vertical tail surface design. followed 6 new prototypes. time before deliveries of production models started due engine delivery delays. time engines available, clear b-29 bombers being sent pacific , not operating on germany anytime soon. german photo-reconnaissance efforts had practically disappeared due increased performance of allied defenses, production concentrated on l model.


deliveries started in august 1944 few ju 388s completed. 47 l models seem have been built, majority -1s bmw 801j engine, , 3 -3s jumo 213e. fifteen k-1s built; , 3 j-1 models produced.







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