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TB3 + 2 * I16 = SPB flight

sostavnoy pikiruyuschiy bombardirovschik SPB (sostavnoy pikiruyuschiy bombardirovschik = the composite dive bomber) of USSR. Soviet TB-3 4-engined bomber carried a pair of I-16 fighters (armed with a pair of 250kg bombs each). All 6 engines worked together using the fuel tanks of TB-3. TB-3 gives own long-range to the symbiosis, the little I-16 leaves him not far from a target and performs fast and unespected strike. Total weight = 22 t, speed 260kmph. WWII photo


Soviet TB-3 4-engined bomber carried a pair of I-16 fighters (armed with a pair of 250kg bombs each). All 6 engines worked together using the fuel tanks of TB-3.
Triple warplane SPB was used in WWII.

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