there is McDonnell Douglas aircraft for pre-ATF competition.
http://www.google.com/patents?id=m0Q4AAAAEBAJ&printsec=abstract&zoom=4&dq=C.+Dornier+airplane&num=100#PPP1,M1
at least the last drawing is new for me,and that patent was for
aircraft look like the Model-225,it had auxiliary airfoils.
http://www.google.com/patents?id=IhIyAAAAEBAJ&pg=PA1&dq=Mcdonnell+douglas+airplane&num=100#PPA1,M1
the McDonnell Douglas wingtip mounted,counter-rotating
proprotor for tiltwing aircraft.
http://www.google.com/patents?id=H5QBAAAAEBAJ&printsec=abstract&zoom=4&dq=VSTOL+aircraft&num=100#PPA63,M1
A control surface ( 152 ) for an aircraft has a reinforced elastomer surface ( 154 ) on a surface of the aircraft and has a perimeter ( 156 ) attached to the aircraft. An actuation mechanism ( 160 ) moves the reinforced elastomer surface ( 154 ) from a first position, substantially conforming to...
A hinge line system (52) for an aircraft has a structural block (22) attached to a first edge of a hinge line. The structural block (22) has a flange (28) attached to a first end of an elastic sheet (32). A second structural block (24) is attached to a second edge of the hinge line. The second...
An expandable fuel cell (72) for an aircraft (70) has a flexible structure (126) having a perimeter (124) attached to an airframe of the aircraft (70). The flexible structure (126) has an empty position, in which the flexible structure (126) approximately conforms to a moldline (76) of the...
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