Questions tagged [hover]

Sustained flight above ground level with no forward speed, best known for being done by helicopters (although some other types of aircraft are also capable of hovering).

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Does the ARCA hoverboard violate known limits on small-diameter electric fans?

The ARCA board is being hawked as achieving 430 pounds of lift from 36 electric fan motors for six minutes of 'flight.' c.f. : http://www.theverge.com/2015/12/24/10663228/arcaspace-arcaboard-hoverboard-skateboard To my uneducated eye, getting 12…
RoboKaren
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How does the flyboard air get sufficient lift/thrust with such small form factor?

How does the flyboard air get so much thrust when it can't have more than an 6" disc area (if that) on each of its four lift engines? Isn't the thrust of a rotor = CT * p * Area * tipSpeed^2? (CT - coefficient of thrust, p = air density, tip speed…
oeste
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