NASA facts: an educational publication of the National Aeronautics and Space Administration
U.S. National Aeronautics and Space Administration, 1962 - Technology & Engineering
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25 feet ACEE program Active control systems Aeroelastic Tailoring aileron aircraft structures airline service airplane aluminum alloy applications of composites Boeing box structure build confidence candidate materials characteristics commercial airline commercial transports compared to conventional complete wing composite components composite material takes composite structures construction control surfaces corrosion data design and fabrication elevators energy energy-efficient evaluation fabrication and testing fewer number Figure flight future aircraft graphite epoxy composites graphite fibers ground testing honeycomb horizontal stabilizer in-flight inboard industry confidence installed on commercial joint study laminar-flow lay-up technique leading-edge loading Lockheed L-1011 transport matrix McDonnell Douglas DC-10 medium-sized primary structure metal alloys metal structures NASA NASA's number of fasteners phase piece produce aluminum reduced reduction comes required ribs sandwich secondary structures stiffened stiffness tion titanium transport aircraft typical U.S. Air Force United Air Lines upper rudder segment vertical fins vertical stabilizer weight reduction weight saving wing and fuselage