Kuznetsov NK-12

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Invention

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Science and technology

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What Wikipedia says

The Kuznetsov NK-12 is a Soviet turboprop engine of the 1950s, designed by the Kuznetsov design bureau. The NK-12 drives two large four-bladed contra-rotating propellers, 5.6 m (18 ft) diameter (NK-12MA), and 6.2 m (20 ft) diameter (NK-12MV). It is the most powerful turboprop engine to enter service.

Excerpt from the Wikipedia article “Kuznetsov NK-12”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Вадим Кондратьев, CC BY-SA 4.0, via Wikimedia Commons.