Yahoo Web Search

  1. ...4): world's first production helicopter . (1940) Sikorsky S-48 (R-5/H-5...) all-composite proof of concept helicopter (1984) Sikorsky S-76 Spirit: 14-seat commercial...

    3 Answers · Cars & Transportation · 11/08/2007

  2. ...search and rescue missions during World War II. A Sikorsky R-4 helicopter showed that it had a definite military role when was used...

    3 Answers · Arts & Humanities · 02/08/2007

  3. i don't think "any" man should fly "any" helicopter without training.You can kill yourself and others

    6 Answers · Cars & Transportation · 02/07/2010

  4. ...the article, I can certainly understand Sikorsky Helicopter being upset !! First the...a known hawk and supporter of Sikorsky . The Mi-17 Hip...

    5 Answers · Politics & Government · 15/08/2010

  5. http://en.wikipedia.org/wiki/Igor_ Sikorsky September 14, 1939 by this article.

    1 Answers · Arts & Humanities · 16/10/2006

  6. ... the basic principles of lift and drag etc, Sikorsky had to figure out a way to counteract the torque of...difference in lift on the rotor as it spun. As a helicopter is flying forward, the rotor is obviously...

    6 Answers · Arts & Humanities · 31/10/2008

  7. Igor Sikorsky who was born 1889, Kiev , Russian-born U.S. pioneer in aircraft design who is best known for his successful development of the helicopter .

    3 Answers · Travel · 29/05/2011

  8. The helicopter contract was awarded to Boeing and Sikorsky would like the contract re-opened for competitive bidding and has support for it's protest.

    3 Answers · News & Events · 18/03/2007

  9. ... rocket pods and miniguns, plus door guns. When helicopter -carried anti-tank missiles was invented (namely, the...

    1 Answers · Cars & Transportation · 14/05/2007

  10. ...4] On May 16, 1977, the landing gear failed on a Sikorsky S-61 while it was taking on passengers on the roof...

    11 Answers · Cars & Transportation · 01/10/2011

  1. Try asking your question on Yahoo Answers