Check out the helicopter vying to be the next Black Hawk

Sikorsky released a new video today of their coaxial candidate,, demonstrating some of what it can do, such as banking at 60 degrees, hitting a speed of about 272 miles per hour, and descending into a tight space surrounded by trees.

Because the Defiant looks so different from a regular helicopter, it’s worth unpacking how it works. Its two rigid top rotors are stacked atop one another, and they counterrotate. That’s rare: Most helicopters use a tail rotor as an anti-torque system to counteract the forces created by the single top rotor as it spins—picture a helicopter with one top rotor and no tail rotor, and you could imagine that it would spin around in circles.

. “This type of level body deceleration allowed us to maintain situational awareness and view the landing zone throughout the approach and landing without the typical nose-up helicopter deceleration.”

theres a better more advanced craft. It has two side by side front props. Its quit. I seen it flying low near boston. Two flying in formation.

(11b6nib5) that is a tough looking machine.

magda_tarnowska FYI

Hi, I am a structural engineer from Iran who have many ideas. I have summarized some of my ideas on my twitter(I suggest look at the idea of generating electricity by gravity). I want to work with companies and investors. Do you want to cooperate?

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