Assertion: blimp's pilot | /r/HasProperty | suspended below the center of gravity
Facets:
value: to provide stability
type: PURPOSE
Source sentences:
text: On a small silver disc dated that year, he engraved on one side the forces acting on an aircraft and on the other a sketch of an aircraft design incorporating such modern features as a cambered wing, separate tail comprising a horizontal tailplane and vertical fin, and fuselage for the pilot suspended below the center of gravity to provide stability.