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A lifting gas or lighter-than-air gas is a gas that has a density lower than normal atmospheric gases and rises above them as a result, making it useful in lifting lighter-than-air aircraft. Only certain lighter than air gases are suitable as lifting gases. Dry air has a density of about 1.29 g/L (gram per liter) at standard conditions for ...
Based on specific lift (lifting force per unit volume of gas), the greatest static lift is provided by hydrogen (11.15 N/m 3 or 71 lb f /1000 cu ft) with helium (10.37 N/m 3 or 66 lb f /1000 cu ft) a close second. [174] In addition to static lift, an airship can obtain a certain amount of dynamic lift from its engines.
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. [1][2] Rigid airships are often commonly called Zeppelins ...
It held 200,000 cubic metres (7,062,000 cu ft) of gas in 16 bags or cells with a useful lift of approximately 232 t (511,000 lb). This provided a margin above the 215 t (474,000 lb) average gross weight of the ship with fuel, equipment, 10,000 kg (22,000 lb) of mail and cargo, about 90 passengers and crew and their luggage.
The Graf Zeppelin (Deutsches Luftschiff Zeppelin #130; Registration: D-LZ 130) was the last of the German rigid airships built by Zeppelin Luftschiffbau during the period between the World Wars, the second and final ship of the Hindenburg class, and the second zeppelin to carry the name "Graf Zeppelin" (after the LZ 127) and thus often referred to as Graf Zeppelin II.
The Goodyear Blimp is any one of a fleet of airships (or dirigibles) operated by the Goodyear Tire and Rubber Company, used mainly for advertising purposes and capturing aerial views of live sporting events for television. [3] The term blimp itself is defined as a non-rigid airship —without any internal structure, the pressure of lifting gas ...
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