Astra-Torres airship
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The Astra-Torres airships were non-rigid airships built by Société Astra in France between about 1908 and 1922 to a design by the Spaniard Leonardo Torres Quevedo. They had a highly characteristic tri
Astra-Torres AT-1 at an air show in 1911
Blimp
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A blimp, less commonly called a non-rigid airship, is an airship without an internal structural framework or a keel. Unlike semi-rigid and rigid airships, blimps rely on the pressure of their lifting
The Spirit of Goodyear, one of the iconic Goodyear Blimps
Steerable ducted fans on a Skyship 600 provide thrust, limited direction control, and also serve to inflate the ballonets to maintain the necessary overpressure.
A modern blimp from Airship Management Services showing a strengthened nose, ducted fans attached to the gondola under the hull, and cable-braced fins at the tail
Advertising blimp landing at local airport in New Jersey