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Hi,also anther design to Boeing-Vertol as tilt-rotor projects,and alsothey called it D238,I am suspicious in this impression,and also theysaid it was developed from Model-222.http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770010060_1977010060.pdf
Hi,
also anther design to Boeing-Vertol as tilt-rotor projects,and also
they called it D238,I am suspicious in this impression,and also they
said it was developed from Model-222.
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770010060_1977010060.pdf
