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Zvezda M503 63-Liter V12 Diesel first start

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A Zvezda M50 V12 diesel with mechanical boost. Displacement 62.4 liters, power 1000hp, with a weight of about 1200kg. Was installed in torpedo speedboats e.g. in the Volksmariene (Iltis class, weasel class, dragonfly class) to 3 engines at 48Ktn. (Wiki). The engine is made entirely of aluminum, four-valve technology with two overhead camshafts that are powered by a vertical shaft with direct injection and mechanical supercharging. A rarity. I was surprised by the brutal sound.

 

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