M-82 / M-105 engines

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Engines M-25, M-25В, М-62, М-63 and М-82А were equipped with float carburetor АК-25-4ДФ or К-25-4Д. Some M-63 were equipped with float-less АК-63.

M-82Ф was equipped with float-less carburetor, М-82ФН - with direct injection system.

M-105 since 1940 were equipped with floatless carburetor К-105БП

PS Most of this devices were designed by Fedor Amosovich Korotkov and his design crew. After the war, with the rise of the jet era, he switched to jet engine fuel feed systems and his designs were again used in most Soviet jet engines until late 1980.