The Dobrynin VD-4K was a Soviet six-bank, 24-cylinder, turbo-compound, inline radial engine developed after the end of World War II. It was superseded by turboprop engines before it could be widely used. == Development == The VD-4K, originally designated as the M-253K, was a development of the post-war VD-3TK (M-251K) engine.
The Dobrynin VD-4K was a Soviet six-bank, 24-cylinder, turbo-compound, inline radial engine developed after the end of World War II. It was superseded by turboprop engines before it could be widely used. == Development == The VD-4K, originally designated as the M-253K, was a development of the post-war VD-3TK (M-251K) engine.
Source: Wikipedia "Dobrynin VD-4K" · CC BY-SA 4.0
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