| 摘要 |
A vertical jet aircraft with a tiltable jet engine that is mounted in the aircraft to help the pilot when he or she has his or her landing gear down and has the elevators at the tail plane and the ailerons at the wings set for landing to obtain vertical thrust by using hydraulic lifters to tilt the engine. The aircraft will experience more vertical thrust for every increase in angle as the engine gets tilted from horizontal to vertical. The aircraft will reach 100% vertical thrust, 0% horizontal thrust so the aircraft will gear towards 100% vertical landing or takeoff and also, this tiltable jet engine aircraft will be able to land or takeoff vertically without the thrust provided by the wings.
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