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Igor Sikorsky and helicopters

1889 Igor Sikorsky Helicopters

Military helicopters

Helicopters Military aircraft

81 years ago, Igor Sikorsky demonstrated his helicopter invention to the public. : interestingasfuckhttps://www.reddit.com/r/interestingasfuck/comments/xra7v4/81_years_ago_igor_sikorsky_demonstrated_his/

An animation of how the movement mechanism of the helicopter blades works and showing its constituent details : EngineeringPornhttps://www.reddit.com/r/EngineeringPorn/comments/uopjkv/an_animation_of_how_the_movement_mechanism_of_the/

Heavy Lifthttps://www.reddit.com/r/aviation/comments/15spx7o/heavy_lift/

Helicopter flight controls - Wikipediahttps://en.wikipedia.org/wiki/Helicopter_flight_controls

Simulation of rotor blade CFD/CSD coupling : EngineeringPornhttps://www.reddit.com/r/EngineeringPorn/comments/vdi290/simulation_of_rotor_blade_cfdcsd_coupling/

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