haileekauptar

helikaaptar
D-HOPQ (2723445432).jpg
An Aerospatiale SA360
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Categories of Aircraft
Lighter than air (aerostats)
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see also
• Ground-effect vehicle
• Hovercraft
• Flying Bedstead
• Avrocar

helikaaptar ek vimaan hai, jise ek ya adhik kshaitij rotar ke dvaara oopar ki disha mein nodit kiya jaata hai. pratyek rotar mein mein do ya adhik pankhudiyaaain hoti hain. haileekauptaron ko rotar-ving vaayuyaan ki shreni mein vargeekrut kiya gaya hai, jisse ki inhein jude-pankh vaayuyaan se pruthak kiya ja sake. yeh shabd French bhaasha ke shabd héaalicoptèaare se nikla hai, jise gustaav de pontaun d॑aimekort ne 1861 mein srujit kiya tha. yeh bhi yoonaani bhaasha ke shabd helix/helik- (ἕaaλaaιaaκ-) se bana hai, arthaat "kundaleedaar" ya "mudta hua" evam pteron (πaaτaaεaaρaaόaaν) = "pankh".[1][2]


rotar pranaali

rotar pranaali ya rotar, haileekauptar ka ek ghoomta hua bhaag hota hai, jo use ek upari bal deta hai. yeh pranaali kshaitij bhi lag sakti hai, kyonki mukhya rotar oordhvaadhar bal ya lift deta hai. ya ise oordhvaadhar bhi lagaaya ja sakta hai, puchh rotar ki tarah. yahaan yeh kshaitij bal deta hai, taurk prabhaav ki pratikriya ko rokane ke liye. rotar mein ek ek maast ya dand, ek chakranaaiya a hab aur rotar pankhudiyaan ya bleds hote hain!

anukram

prayog

sandarbh

tippani
paadatippani
  1. "helikaaptar ". Online Etymology Dictionary. Retrieved: 28 November 2007
  2. Cottez 1980, p. 181.
pustak vivran
  • Cottez, Henri. Dictionnaire des structures du vocabulaire savant. Paris: Les Usuels du Robert. 1980. ISBN 0-85177-827-5.
  • Flight Standards Service. Rotorcraft Flying Handbook: FAA Manual H-8083-21. Washington, DC: Federal Aviation Administration, U.S. Dept. of Transportation, 2001. ISBN 1-56027-404-2.
  • Francillon, René J. McDonnell Douglas Aircraft since 1920: Volume II. London: Putnam, 1997. ISBN 0-85177-827-5.
  • Frawley, Gerard. The International Directory of Civil Aircraft, 2003-2004. Fyshwick, Canberra, Act, Australia: Aerospace Publications Pty Ltd., 2003, p. 155. ISBN 1-875671-58-7.
  • Munson, Kenneth. Helicopters and other Rotorcraft since 1907. London: Blandford Publishing, 1968. ISBN 978-0-7137-0493-8.
  • Thicknesse, P. Military Rotorcraft (Brassey's World Military Technology series). London: Brassey's, 2000. ISBN 1-85753-325-9.
  • Watkinson, John. Art of the Helicopter. Oxford: Elsevier Butterworth-Heinemann, 2004. ISBN 0-7506-5715-4
  • Wragg, David W. Helicopters at War: A Pictorial History. London: R. Hale, 1983. ISBN 0-7090-0858-9.

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