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- Airship abstract "An airship or dirigible is a type of aerostat or lighter-than-air aircraft that is propelled through the air by engine power. An aerostat stays aloft by having a large "envelope" filled with a lifting gas that is less dense than the surrounding air. In early dirigibles, the lifting gas used was hydrogen, due to its high lifting capacity.Helium gas has almost the same lifting capacity and is also nonflammable, but is rare and relatively expensive. Significant amounts were first discovered in the United States and, for a while, helium was rarely used for airships outside the United States. Most airships built since the 1960s have used helium, though some have used hot air.Besides the main envelope, an airship also has engines and crew accommodation, typically in a gondola hung beneath the envelope.The main types of airship are non-rigid, semi-rigid, and rigid. Non-rigid airships, often called "blimps", rely on internal pressure to maintain the shape of the airship. Semi-rigid airships maintain the envelope 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 which maintains the shape and carries all structural loads, while the lifting gas is contained in one or more internal gas bags or cells. Rigid airships were first flown by Count Zeppelin and the vast majority of rigid airships built were manufactured by the firm he founded. As a result, all rigid airships are sometimes called zeppelins.[citation needed]Airships were the first aircraft capable of controlled powered flight, and were most commonly used before the 1940s, but their use decreased over time as their capabilities were surpassed by those of aeroplanes. Their decline was accelerated by a series of high-profile accidents, including the 1930 crash and burning of British R101 in France, the 1933 storm-related crash of the USS Akron and the 1937 burning of the hydrogen-filled Hindenburg. From the 1960s, helium airships have been used in applications where the ability to hover in one place for an extended period outweighs the need for speed and manoeuvrability such as advertising, tourism, camera platforms, geological surveys, and aerial observation.A total of 4,700 airships now exist across the world.[citation needed]".
- Airship thumbnail Zeppellin_NT_amk.JPG?width=300.
- Airship wikiPageExternalLink ballonboek.nl.
- Airship wikiPageExternalLink EPFL_TH2986_app_screen.pdf.
- Airship wikiPageExternalLink EPFL_TH2986_screen.pdf.
- Airship wikiPageExternalLink ?id=3IfNAAAAMAAJ&pg=PA8283.
- Airship wikiPageExternalLink ?id=gtQWAAAAYAAJ&pg=PA117.
- Airship wikiPageExternalLink books?id=uraKiSbbW1YC&printsec=frontcover.
- Airship wikiPageExternalLink 0001.html.
- Airship wikiPageExternalLink Lueger-1904.
- Airship wikiPageID "58005".
- Airship wikiPageRevisionID "606777779".
- Airship date "March 2010".
- Airship group "note".
- Airship hasPhotoCollection Airship.
- Airship liststyle "lower-roman".
- Airship reason "where is this San Julian located, there are several, and cite would be helpful".
- Airship ref "Brooks1992".
- Airship ref "Brooks2004".
- Airship ref "Lig".
- Airship ref "Lueger1920".
- Airship reference "--06-30".
- Airship reference "Brooks, Peter, W., Zeppelin: Rigid Airships 1893–1940, Washington, Smithsonian Institution Press, 1992, ISBN 1-56098-228-4".
- Airship reference "Brooks, Peter, Zeppelin: Rigid Airships 1893–1940, 2004, ISBN 0-85177-845-3".
- Airship reference "Lueger, Otto: Lexikon der gesamten Technik und ihrer Hilfswissenschaften, Bd. 1 Stuttgart, Leipzig 1920. digital scan".
- Airship subject Category:Aeronautics.
- Airship subject Category:Airships.
- Airship subject Category:Edwardian_era.
- Airship subject Category:Gases.
- Airship subject Category:Hydrogen_technologies.
- Airship subject Category:Victorian_era.
- Airship comment "An airship or dirigible is a type of aerostat or lighter-than-air aircraft that is propelled through the air by engine power. An aerostat stays aloft by having a large "envelope" filled with a lifting gas that is less dense than the surrounding air. In early dirigibles, the lifting gas used was hydrogen, due to its high lifting capacity.Helium gas has almost the same lifting capacity and is also nonflammable, but is rare and relatively expensive.".
- Airship label "Airship".
- Airship label "Ballon dirigeable".
- Airship label "Dirigibile".
- Airship label "Dirigible".
- Airship label "Dirigível".
- Airship label "Luchtschip".
- Airship label "Luftschiff".
- Airship label "Sterowiec".
- Airship label "Дирижабль".
- Airship label "سفينة هوائية".
- Airship label "飛行船".
- Airship label "飞艇 (轻航空器)".
- Airship sameAs Vzducholoď.
- Airship sameAs Luftschiff.
- Airship sameAs Dirigible.
- Airship sameAs Baloi_gidatu.
- Airship sameAs Ballon_dirigeable.
- Airship sameAs Kapal_udara.
- Airship sameAs Dirigibile.
- Airship sameAs 飛行船.
- Airship sameAs 비행선.
- Airship sameAs Luchtschip.
- Airship sameAs Sterowiec.
- Airship sameAs Dirigível.
- Airship sameAs m.0fx72.
- Airship sameAs Q133585.
- Airship sameAs Q133585.
- Airship wasDerivedFrom Airship?oldid=606777779.
- Airship depiction Zeppellin_NT_amk.JPG.
- Airship isPrimaryTopicOf Airship.