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Gravity Powered Plane uses no fuel.

submitted by AeroMechanical
1 decade 6 years 6 months 3 weeks ago

Former nuclear designer, Robert D. Hunt of Hunt Aviation Corp has come up with a new "gravity powered aircraft technology" that he claims can accomplish sustained fuel-less flight. Hunt has designed a new hybrid aircraft: a "gravity-powered aircraft" which is a fixed wing, ridged skin airplane made of lightweight and modern composite materials. By October 2003, Hunt Aviation Corp had already begun the first phase of prototype construction, assembling a consortium of aviation manufacturers and suppliers that wish to support the revolutionary aircraft technology.

-from Gizmag.com