Vertical Take off crafts is a good Mechanical Seminar topic.Vertical takeoff and landing (VTOL) emerged as a concept, which was soon to be successfully implemented. Dr A.A Griffith, in 1941 who was then the chief engineer of Rolls Royce ltd. put forward this idea in his paper to the aeronautical research council.
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Types of vertical takeoff and landing (VTOL)
1. WHOLE AIRCRAFT IS TILTED
2.ENGINES OR PROPELLERS ALONE ARE TILTED
Jet lift refers to the lifting system employed in all aircrafts capable of VTOL. The term jet is taken to include not only pure jet engines but also bypass and turbo fan engines. The merit of a lifting system can be mathematically given as
Thrust/ (Engine weight + Fuel weight)
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