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Helicopters
A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward, and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of VTOL (vertical takeoff and landing) aircraft cannot perform.
The English word helicopter is adapted from the French word hélicoptère, coined by Gustave Ponton d'Amécourt in 1861, which originates from the Greek helix (ἕλιξ) "helix, spiral, whirl, convolution" and pteron (πτερόν) ...more
The English word helicopter is adapted from the French word hélicoptère, coined by Gustave Ponton d'Amécourt in 1861, which originates from the Greek helix (ἕλιξ) "helix, spiral, whirl, convolution" and pteron (πτερόν) ...more
“
The riot had taken on a beauty of its own now. Arcs of gasoline fire under the crescent moon. Crimson tracer in mystical parabolas. Phosphorescence from the barrels of plastic bullet guns. A distant yelling like that of men below decks in a torpedoed prison ship. The scarlet whoosh of Molotovs intersecting with exacting surfaces. Helicopters everywhere: their spotlights finding one another like lovers in the Afterlife.
And all this through a lens of oleaginous Belfast rain.
”
― The Cold Cold Ground
― The Cold Cold Ground
“
How do you feel about helicopters?"
There was a long pause. "How do you mean? Ethically?"
"As a mode of transportation."
"Faster than camels, but less sustainable.
...more
”
― The Raven Boys
― The Raven Boys
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