Kuznetsov NK-12
thingiverse
The NK-12 is a remarkably primitive model of an aircraft engine designed by Kuznetsov. This engine boasts 8 contra-rotating propellers, generating a staggering total power output of 15,000 horsepower. The Tu-95, a creation of Tupolev's manufacturing expertise, was powered by this very engine. A crude prototype of the NK-12 can be found on Tinkercad; feel free to edit it online at https://www.tinkercad.com/things/dtHGzPlALI4.
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