Dobrynin VD-4K
I-24 PISTON AIRCRAFT ENGINE
Dobrynin VD-4; VD-4K; VD4K; Vd4k; Dobrynin VD-3K
The Dobrynin VD-4K was a Soviet six-bank, 24-cylinder, turbo-compound, inline engine developed after the end of World War II. It was superseded by turboprop engines before it could be widely used.