Flying is all about using your imagination. Every great pilot was once a kid staring at the sky imagining life in the clouds flying P-51s in formation with imaginary friends ... OK, some of us anyhow. Others, who actually studied instead of dreaming, learned that an imaginary straight line drawn through an airfoil from the leading edge to the trailing edge is called what?


Camber line


Dihedral line


Chord line


Chorus line

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