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ballonet |
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ballonet [ˌbæləˈnɛt] n (Engineering / Aeronautics) an air or gas compartment in a balloon or nonrigid airship, used to control buoyancy and shape [from French ballonnet a little balloon] How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The ballonet is a zero-porosity internal membrane filled with the inert gas helium. The upper chamber is filled with helium and the lower chamber is a pressurized air compartment, called a ballonet. Classified as a semi-rigid airship, as opposed to a blimp or dirigible, the CargoLifter's exterior structure is supported by an inner "bladder", or ballonet, which maintains the shape and altitude of the airship by increasing or decreasing air pressure. |
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