Wings in Ground Effect: Ekranoplans and WIG Craft
Wings in Ground Effect: Ekranoplans and WIG Craft
- Neue Suche nach: Yun, Liang
- Neue Suche nach: Bliault, Alan
- Neue Suche nach: Yun, Liang
- Neue Suche nach: Bliault, Alan
It is “ground effect” that causes an aircraft to glide above the runway until sufficient speed is lost for the cushion to decay and then allow it to touch down. Lift increases and resistance reduces near the ground in the zone less than one wing chord above it—the surface effect zone (SEZ) or ground effect zone. In 1903, the Wright Brothers flew relatively long distances in the SEZ with their biplane, using very little power. They were aware of the higher lift forces when gliding close to the ground, but were aiming to fly higher into the air. In parallel with ACV development, in Russia, a major military programme was begun in the 1960s to build large WIG craft capable of jet plane speeds at a few meters above the sea for power projection in the Caspian. These craft were really ahead of their time, and the fall of the USSR contributed to stopping their development. Rather like ACV’s, WIG craft have had more successful development at smaller sizes and lower speeds. We summarize the technology and the story so far.
Dokumentinformationen
Wings in Ground Effect: Ekranoplans and WIG Craft
High Performance Marine Vessels ; Kapitel : 3 ; 89-132
2012-02-11
44 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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