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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
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The journey back to civilisation was often a whole lot faster and just as dramatic. On an MI-17 helicopter no less! Sitting atop and around military cargo. The best way to describe the Tawang sojourn was to compare it to a VR game, where one went from 'Jack and the Beanstalk' to the land of Black Hawk Down, all within nine weeks
...more
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― INVICTUS
― INVICTUS
“
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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