Assertion: vertical stabilizer | /r/CapableOf | employ dorsal fin
Facets:
value: at its forward base
type: LOCATION
value: often
type: TEMPORAL
Source sentences:
text: The vertical stabilizer often employs a small fillet or "dorsal fin" at its forward base which helps to increase the stall angle of the vertical surface (thanks to vortex lift) and to prevent a phenomenon called rudder lock or rudder reversal.
text: The vertical stabilizer often employs a small fillet or "dorsal fin" at its forward base which helps to increase the stall angle of the vertical surface (thanks to vortex lift) and to prevent a phenomenon called rudder lock or rudder reversal.