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/sci/ - Science & Math

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>> No.9440591 [View]
File: 2.72 MB, 480x360, Ultralight gyrocopter hang glider.webm [View same] [iqdb] [saucenao] [google]
9440591

>>9440582
How bout you go over to >>>/x/ and post where it belongs, Tony Stark. Because there's no way we are ever going to be able to use tiny prop helicopters like these and have them with good lift and flight times. They are so horrible inefficient that it is sad and laughable.

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