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:
“The sad, the lonely, the insatiable,
To these Old Night shall all her mystery tell;
God’s bell has claimed them by the little cry
Of their sad hearts, that may not live nor die.”
—William Butler Yeats (1865–1939)