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Construction of USS Shenandoah, 1923, showing the framework of a rigid airship. A rigid airship is a type of airship (or dirigible) in which the envelope is supported by an internal framework rather than by being kept in shape by the pressure of the lifting gas within the envelope, as in blimps (also called pressure airships) and semi-rigid airships.
In contrast to the Zeppelins, the Parsevals were non-rigid or semi-rigid airships, with little or no stiffening structure inside the fabric envelope. The Zeppelins had a rigid internal framework made of duralumin. Both types relied on hydrogen gas to provide lift. Diagram of an early Parseval airship.
Semi-rigid airships maintain their shape by internal pressure, but have some form of supporting structure, such as a fixed keel, attached to it. Rigid airships have an outer structural framework that maintains the shape and carries all structural loads, while the lifting gas is contained in one or more internal gasbags or cells. [4]
USS Shenandoah was the first of four United States Navy rigid airships. It was constructed during 1922–1923 at Lakehurst Naval Air Station, and first flew in September 1923. It developed the U.S. Navy's experience with rigid airships and made the first crossing of North America by airship.
The fabric-clad rigid airships were given commissions, the same as warships. [1]USS Shenandoah (ZR-1) - served 1923-25, lost 3 September 1925 due to structural failure while in line squalls, 14 killed
SMS Seydlitz with an airship by Zeppelin or Schütte-Lanz. Schütte-Lanz (SL) airships were a series of rigid airships designed and built by the Luftschiffbau Schütte-Lanz company from 1909 until 1917. [1] One research and four passenger airships were planned for post-war use, but were never built.
Euro Airship is planning an around-the-world, non-stop flight with Solar Airship One. It would be the first flight to make the trip without using fossil fuels.
The list of hull classifications comprises an alphabetical list of the hull classification symbols used by the United States Navy to identify the type of a ship.. The combination of symbol and hull number identify a modern Navy ship uniquely.