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Dragon Dream
Dragon Dream is an experimental lighter than air (LTA) cargo rigid airship built by Worldwide Aeros Corp as a half-scale proof of concept prototype for a design which the manufacturer calls the "Aeroscraft". The development and design has been funded by the US government through the military Walrus HULA and then the "Pelican" projects.
==Design==
The hull of the Dragon Dream has a flattened elliptic cross-section.
Buoyancy control is managed by pumping helium gas from the internal gas bag and compressing it into a storage cell, the reduction in lifting volume leading to a loss of buoyancy. The system can vary the airship's lift by 3,000-4,000 lb. The manufacturer uses the phrase "Control Of Static Heaviness" for this technology.
;Specifications
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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