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A non-rigid airship, commonly called a blimp , is an airship (dirigible) [1] without an internal structural framework or a keel. Unlike semi-rigid and rigid airships (e.g. Zeppelins ), blimps rely on the pressure of their lifting gas (usually helium , rather than flammable hydrogen ) and the strength of the envelope to maintain their shape.
The Spirit of Goodyear, one of the iconic Goodyear Blimps. This is a list of airships with a current unexpired Federal Aviation Administration (FAA) [1] registration.. In 2021, Reader's Digest said that "consensus is that there are about 25 blimps still in existence and only about half of them are still in use for advertising purposes". [2]
The airship was 403 ft (122.8 m) long and was almost 120 ft (36.6 m) high, containing some 1,500,000 cubic feet (42,450 cubic meters). [6] The endurance time of the airship could extend for days. This model of the N-class blimp was the largest non-rigid airship ever flown. The ZPG-3W Vigilance was the last of the airships built for the U.S ...
As the blimp ascends or descends, the internal ballonets expand or contract to compensate for density changes and to maintain uniform pressure in the envelope. The latest Goodyear airship, the Zeppelin NT, is a departure from this convention, as it is a semi-rigid airship that makes use of a truss inside the envelope to provide some of its ...
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Pages in category "Lists of airships" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. A. List of airship ...
Most airships built since the 1960s have used helium, though some have used hot air. [a] The envelope of an airship may form the gasbag, or it may contain a number of gas-filled cells. An airship also has engines, crew, and optionally also payload accommodation, typically housed in one or more gondolas suspended below the envelope.
Airships of the United Kingdom (1 C, 37 P) Airships of the United States (2 C, 32 P, 1 F) This page was last edited on 2 October 2023, at 01:58 (UTC). Text is ...