The Bell XV-15 was an American tiltrotor VTOL aircraft. It was the second successful experimental tiltrotor aircraft and the first to demonstrate the concept's high speed performance relative to conventional helicopters.
Read more about Bell XV-15: Flight Testing, Specifications (XV-15)
Famous quotes containing the word bell:
“I go, and it is done; the bell invites me.
Hear it not, Duncan, for it is a knell
That summons thee to heaven, or to hell.”
—William Shakespeare (1564–1616)