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A helicopter is an aircraft that is lifted and propelled by one or more horizontal rotors, each rotor consisting of two or more rotor blades. Helicopters are classified as rotorcraft or rotary-wing aircraft to distinguish them from fixed-wing aircraft because the helicopter derives its source of lift from the rotor blades rotating around a mast. The word 'helicopter' is adapted from the French hélicoptère, coined by Gustave de Ponton d'Amecourt in 1861. It is derived from the Greek words helix/helik- ( ) = "spiral" or "turning" and pteron ( ) = "wing".
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Wikipedia about helicopter
A helicopter is an aircraft that is lifted and propelled by one or more horizontal rotors, each rotor consisting of two or more rotor blades. Helicopters are classified as rotorcraft or rotary-wing aircraft to distinguish them from fixed-wing aircraft because the helicopter derives its source of lift from the rotor blades rotating around a mast. The word 'helicopter' is adapted from the French hélicoptère, coined by Gustave de Ponton d'Amecourt in 1861. It is derived from the Greek words helix/helik- ( ) = "spiral" or "turning" and pteron ( ) = "wing".
As an aircraft, the primary advantages of the helicopter are due to the rotor blades that revolve through the air, providing lift without requiring the aircraft to move forward. This creates the ability for the helicopter to take off and land vertically without a runway. For this reason, helicopters are often used in congested or isolated areas where fixed-wing aircraft cannot take off or land. The lift from the rotor also allows the helicopter to hover in one area and more efficiently than other forms of vertical takeoff and landing (VTOL) aircraft, allowing it to accomplish tasks that fixed-wing aircraft cannot perform.
Although helicopters were developed and built during the first half-century of flight, some even reaching limited production, it was not until 1942 that a helicopter designed by Igor Sikorsky reached full-scale production,Munson 1968 with 131 aircraft built.Hirschberg, Michael J. and David K. Dailey, "Sikorsky." US and Russian Helicopter Development In the 20th Century. American Helicopter Society, International. 7 July 2000. Even though most previous designs used more than one main rotor, it was the single main rotor with antitorque tail rotor configuration of this design that would come to be recognized worldwide as the helicopter.
History
Since 400 AD, Chinese children have played with bamboo flying toys. This toy made its way to Europe and is depicted in a 1463 European painting.Goebel, Greg. "The Invention Of The Helicopter". Vectorsite.net. Retrieved: 28 November 2007. A book written in 4th-century China, referred to as Pao Phu Tau (also Pao Phu Tzu or Bao Pu Zi, 抱朴子), is reported to describe some of the ideas inherent to rotary wing aircraft:Fay, John. "Helicopter Pioneers - Evolution of Rotary Wing Aircraft". Helicopter History Site. Retrieved: 28 November 2007.
cquote: Someone asked the master about the principles of mounting to dangerous heights and traveling into the vast inane. The Master said, "Some have made flying cars with wood from the inner part of the jujube tree, using ox-leather 1 fastened to returning blades so as to set the machine in motion."
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Nigerian singer's helicopter impounded during shopping trip
BBC NewsA helicopter rented by a Nigerian hip-hop star is impounded by a school for landing on their field without permission.http://news.bbc.co.uk/go/rss/-/1/hi/world/africa/7604857.stmRecent Helicopter Crashes Underscore Need For Greater Use of Flight Data Recorders
PRWeb via Yahoo! News "The capability is there, why not use it?" asks Aviation/Helicopter Attorney.http://news.yahoo.com/s/prweb/20080910/bs_prweb/prweb1312124...DART Helicopter Services Acquires Canam Aerospace and Cargo Net Innovations
RotorhubPINEY FLATS, Tenn., September 9, 2008 — DART Helicopter Services (DHS) has acquired Canam Aerospace Inc., and purchased a 50 percent interest in Cargo Net Innovations, DHS President & CEO Jeff Shapiro announced today.http://www.shephard.co.uk/Rotorhub/Default.aspx?Action=74511...Delta Airlines Offers Discounted US Helicopter Service Between JFK and Manhattan for Domestic Economy Class Customers
RotorhubNEW YORK, Sept. 9, 2008 -- Customers traveling in Economy Class on Delta Air Lines' (NYSE:DAL) domestic flights to or from its hub at New York's John F. Kennedy International Airport for a limited time can enjoy a discounted one-way fare of $45* for US Helicopter Airport Shuttle Service.http://www.shephard.co.uk/Rotorhub/Default.aspx?Action=74511...Now a helicopter with spinning disc instead of blades
New KeralaWashington, Sep 10 : The US defence department is funding a radical helicopter design called the DiscRotor that would have a spinning disc instead of conventional spinning rotor blades at high speeds.http://www.newkerala.com/topstory-fullnews-20897.htmlNews about Helicopter
Pakistan's new president says he has plan to fight terrorism
Owen Sound Sun Timeslast week took part in a helicopter- backed ground assault that killed at least 15. The unilateral actions have sparked a public backlash, including official protests, although it appears Pakistan, the Islamic world's only nuclear power, is too ... http://www.owensoundsuntimes.com/ArticleDisplay.aspx?e=11927...US Coast Guard suspends search for helicopter pilot missing after ...
MSN UK NewsThe U.S. Coast Guard is suspending its search for a Coast Guard pilot missing since his helicopter crashed during exercises near Hawaii last week. Rear Adm. Manson K. Brown said Sunday he had a "heavy heart" as he announced the search was over for ... http://news.uk.msn.com/article.aspx?cp-documentid=9508297Gains in Iraq security seen as `fragile'
Miami HeraldIn Afghanistan, defense officials said, the president's decision would provide a net increase of about 1,500 U.S. troops, almost all of them helicopter crews, military police and logistics units attached to the Army brigade bound for Helmand province ... http://www.miamiherald.com/news/world/story/679712.htmlCLIMATE CHANGE
Der SpiegelDaley notified her colleagues by radio, who immediately anaesthetized the foundling and loaded it into a helicopter. Before uniting the foundling with its new family, Daley tranquilized the surrogate mother bear.http://www.spiegel.de/international/spiegel/0,1518,395014,00...661 marijuana plants seized in Seneca County
Democrat and ChronicleSeneca County sheriffs deputies have seized 661 marijuana plants found at several properties in Seneca County. Deputies, in conjunction with the New York State National Guards helicopter unit and the Seneca County District Attorneys Office ... http://www.democratandchronicle.com/article/20080910/NEWS01/...Search results for Helicopter
Helicopter Game - Free Arcade & Classic Game from AddictingGames
Helicopter Game, a Free Arcade & Classic Game from AddictingGames: Helicopter go up.Helicopter go down.
Helicopter go boom.
Watch out for blocks.http://www.addictinggames.com/helicopter.html
























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