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This invention describes a long-endurance aircraft where the fuselage itself is the energy storage system. It uses an electric motor and propeller, and a non-inflatable parawing. The energy storage system is specifically a fuel cell system with hydrogen, oxygen, and water tanks, where the water tank helps balance the aircraft.
Why it matters: Filed before significant advancements in solar cell efficiency and lightweight fuel cell systems. These improvements make long-duration power requirements more achievable.
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