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A balloon helicopter is a flying toy consisting of a latex toy balloon and a plastic propeller, derived from the simple balloon rocket. The most important feature is the hollow propeller hub which directs air into a passage in each propeller blade. The air passages channel air to the blade tips such that air escapes in a fine jet tangentially.
A Helikite lifting a gyro-stabilized camera. The Allsopp Helikite is a kite balloon or kytoon designed by Sandy Allsopp in the United Kingdom in 1993. [1] This Helikite comprises a combination of a helium balloon and a kite to form a single, aerodynamically sound, tethered aircraft, that utilises both wind and helium for its lift.
The first of these, Aereon, used three individual cigar shaped balloons rigged together in a flat plane; the second, Aereon #2, employed a single "lemon-shaped" balloon. [9] Andrews' Aereons were propelled by angling the balloons upward and dropping ballast, then process was then reversed with the balloons being angled downward and large ...
Cluster ballooning was inspired by Larry Walters's experience, although his was not the first. [1]On July 2, 1982, Larry Walters (April 19, 1949 – October 6, 1993) made a 45-minute flight in a homemade aerostat made of an ordinary lawn chair and 42 helium-filled weather balloons. [2]
A vacuum airship, also known as a vacuum balloon, is a hypothetical airship that is evacuated rather than filled with a lighter-than-air gas such as hydrogen or helium. First proposed by Italian Jesuit priest Francesco Lana de Terzi in 1670, [ 1 ] the vacuum balloon would be the ultimate expression of lifting power per volume displaced.
The Fulton system in use The Fulton system in use from below. The Fulton surface-to-air recovery system (STARS), also known as Skyhook, is a system used by the Central Intelligence Agency (CIA), United States Air Force, and United States Navy for retrieving individuals on the ground using aircraft such as the MC-130E Combat Talon I and B-17 Flying Fortress.
Giffard, Henri, Henri Giffard papers, 1852-1910...Correspondence, notes, design drawings, broadsides, newspapers, printed illustrations, articles about Giffard, and newspaper clippings relating chiefly to Giffard's exhibition of a large captive balloon in the courtyard of the Tuileries in Paris in 1878. Includes his notes on hydrogen gas and ...
Tim Cole with John Kugler and Dennis Brown pioneered balloon design using the inexpensive, agricultural gas anhydrous ammonia. This lifting gas is an economical alternative to helium . [ 7 ] From Greeley, Colorado, Cole made a world-record solo duration flight in an ammonia gas balloon on September 26, 1991; the National Aeronautics Association ...
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