weight.  see the wheel of misfortune [ edit ] Vectored thrust Ryan  XV-5 . Ducts in wings with half-trash can lid covers. Hawker P.1127/Kestrel / Harrier ; four rotating nozzles for vectored thrust of fan and jet exhaust. [ edit ] Tilt-rotor Bell XV-3 Bell XV-15 Bell 609 Bell-Boeing  V-22 Osprey