Video 4 НЕИЗВЕСТНЫХ ДВИГАТЕЛЯ | UNKNOWN ENGINES

Двигатели семейства - самые малоизвестные.
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Video Credits:
Duke Engines - https://www.youtube.com/watch?v=c19kn3drdFU
A 50% More Efficient Internal Combustion Engine - https://www.youtube.com/watch?v=o9AecNLjYI4
Russian Rotary Vane Engine - https://www.youtube.com/watch?v=aZB0Go3Kj-k
Turbocombustion Green-Engine Technology See How It Works - https://www.youtube.com/watch?v=jAVLmWR8ZfM