The idea that an airplane can fly endlessly carrying heavy loads of passengers and cargo without burning any fuel, can stop and hover in place weightless at any time, and can takeoff and land vertically is a radical departure from accepted thought concerning aviation. This new reality that is made possible by the invention of Robert Hunt’s astounding new hybrid aircraft is Hunt Aviation’s vision of the future of aviation. Our aircraft is a rigid glider made of lightweight composite materials.
The new hybrid “gravity-powered aircraft” is formed by merging the capabilities of the following devices into a single new aircraft apparatus:
(1) an aircraft capable of aerostatic (lighter-than-air) lift to gain altitude.
(2) a glider aircraft capable of aerodynamic lift, having a high glide ratio to accomplish long range gliding.
(3) an innovative new extremely low drag vertical axis wind turbine that is capable of harnessing the force of the wind to generate power as the aircraft glides upward via positive buoyancy and glides downward via gravity acceleration.
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.
Interestingly, because this hybrid plane uses technology of gliding and aerostatic lift, the idea for sustained flight actually has more in common with the older technology of Leonardo Da Vinci’s first primitive hang glider, than it does from the Wright Brother’s engine powered airplane only a century ago.
The “Gravity-Plane”, as Hunt Aviation likes to call it, uses gravity’s dual properties – buoyancy which creates an upward motion in order to gain altitude, and gravity acceleration which creates a forward and downward gliding motion. The two motions combined form the heart of Hunt’s new gravity powered technology, a technology that could make for a much healthier and cleaner environment.
Lighter-than-air (Aerostatic) lift may be explained by the principal of buoyancy, also known as the Archimedes Principal. Gravity exerts a greater pull on more dense materials than on less dense materials, which causes buoyancy. For example, a bubble rises in water and helium rises in air because they are less dense than the surrounding “lifting” fluid.
Gravity powered aircraft benefits ?
Obvious benefits of the technology are that the aircraft does not require fuel, which is aviation’s main cost. This also makes the aircraft safer in terms of fuel burning or exploding. Furthermore, having no waste emissions or noise, the aircraft is extremely environmentally friendly. “Hunt’s invention is the first practical use of gravity to provide a motive force by forming a continuous cycle out of two forces of gravity with the result being, for the first time ever, self-sustained fuel-less flight and this is a tremendous and historic accomplishment”.
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2) http://depletedcranium.com/fuel-less-gravity-plane-just-a-few-problems/
bhamza29 
Very well written. I have read about this project before, or at least one like it. It’s amazing how far aviation technology has come. Clearly, there is still a lot of ground to cover on this particular front, but the progress is exciting and encouraging.
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You put a lot of thought and effort into this post, well done! I also found it very interesting that the plane’s technology that is common to Leonardo Da Vinci’s ! I guess he was ahead of his time huh?
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Hey, Hamza your topic is one of the best interesting topic. I like how you describe the gravity aircraft. For me it seem to be a technology that seem to happen and I found it very interesting that plane is common to Da vinci concept. However, If I were you, I tried to find one of the video in order that the reader could see what going on. Good work!
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