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Helicopter - Wikipedia

en.wikipedia.org/wiki/Helicopter

A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors. This allows the .... The Danish inventor Jacob Ellehammer built the Ellehammer helicopter in 1912. It consisted ...

Who invented the helicopter? | Reference.com

www.reference.com/vehicles/invented-helicopter-a63ab6b925bce2f6

Attempts to create helicopters can be traced back to Leonardo da Vinci, but the first working prototype helicopter, the VS-300, was invented by Igor Sikorsky in ...

Who invented the first helicopter? | Reference.com

www.reference.com/history/invented-first-helicopter-69eedff1a9f3eac5

The VS-300, the world's first functioning helicopter, was invented by Igor Sikorsky . The patent was granted to Sikorsky on March 19, 1935, following his initial ...

World's First Helicopter – Today in History: September 14 ...

connecticuthistory.org/worlds-first-helicopter-today-in-history/

On September 14, 1939, the VS-300, the world's first practical helicopter, took flight at Stratford, ... Categories: Igor Sikorsky, Invention and Technology, Stratford.

History of the Helicopter and Igor Sikorsky - Inventors - About.com

inventors.about.com/od/hstartinventions/a/helicopter.htm

Chronicle of the evolution of rotary wing aircraft - helicopter pioneers and inventors profiled.

A History of the Helicopter | Prime Industries

primeindustriesusa.com/history-of-the-helicopter/

Aug 31, 2015 ... Later, several other inventors also created helicopter-like toys, the most notable of which was Alphonse Pénaud's 1870 coaxial rotor model ...

Upper Limit Aviation | When Was the First Helicopter Invented ...

upperlimitaviation.edu/when-was-the-first-helicopter-invented/

Jan 1, 2016 ... But where did it all start? When was the first helicopter invented, and where, and by who? Well, turns out that's kind of a tricky question.

Helicopter (Aerial Screw) - The Inventions of Leonardo Da Vinci

www.da-vinci-inventions.com/aerial-screw.aspx

Nearly four hundred years before the invention of the helicopter, Leonardo da Vinci invented a flying machine that used a revolving platform to gain flight.

Who is the inventor of the helicopter shot? - Meet the man who ...

economictimes.indiatimes.com/slideshows/entertainment/meet-the-man-who-taught-dhoni-the-helicopter-shot/who-is-the-inventor-of-the-helicopter-shot/slideshow/54676158.cms

Jan 5, 2017 ... ... of the helicopter shot? Do you think it is Dhoni's own invention? ... Meet the man who taught Dhoni the helicopter shot. 2/5. PLAY. Slow. Fast.

Igor Sikorsky and the Helicopter

www.asme.org/engineering-topics/articles/aerospace-defense/igor-sikorsky-aviation-pioneer

Ivan Sikorsky contributed much more to the aviation industry than the helicopter he is best known for.