Search results
Results from the WOW.Com Content Network
The Focke-Wulf Fw 61 was the first successful, practical, and fully controllable helicopter, first flown in 1936. [ 2 ] [ 3 ] [ 4 ] It was also known as the Fa 61 , as Focke began a new company— Focke-Achgelis —in 1937.
The first "free" flight of the VS-300 was on 13 May 1940. [2] The VS-300 was the first successful single lifting rotor helicopter in the United States and the first successful helicopter to use a single vertical-plane tail rotor configuration for antitorque. With floats attached, it became the first practical amphibious helicopter.
Focke-Wulf constructed Juan de la Cierva's C.19 and C.30 autogyros under license from 1933, and Focke was inspired by it to design the world's first practical helicopter, the Focke-Wulf Fw 61, which first flew on 26 June 1936 by Hanna Reitsch. In the Deutschlandhalle arena in 1938, it also became the first practical helicopter to be flown indoors.
Igor Sikorsky was born in Kiev, Russian Empire (now Kyiv, Ukraine), on May 25, 1889. [6] [10] [11] He was the youngest of five children.His father, Ivan Alexeevich Sikorsky, was a professor of psychology in Saint Vladimir University (now Taras Shevchenko National University), a psychiatrist with an international reputation, and an ardent Russian nationalist.
These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of short take-off and landing or short take-off and vertical landing aircraft cannot perform without a runway. In 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production. [1] [2]
On its first flight, the balloon floats at an altitude of 50,000 feet (15,000 meters) and in 10 hours travels over 600 miles (970 km) to a point near Huntsville, Arkansas. [27] [28] June 26 – Piloted by Ewald Rohlfs, the world's first practical, fully controllable helicopter, the German Focke-Wulf Fw 61, makes its first free flight.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
On 26 June 1936 he flew the Focke-Wulf Fw 61, considered the first practical helicopter, on its maiden flight. On 27 April 1937, together with Henrich Focke , he founded the company Focke-Achgelis to develop and manufacture helicopters at Hoykenkamp .