Page 203 - The Jet Engine

Vertical/short take-off and landing

Fig. 18-10 A lift-jet engine.

Remote lift systems 18. The remote lift-fan (fig. 18-12) is mounted in the
17. Direct lift remote systems duct the by-pass air or aircraft wing or fuselage, and is driven mechanically
engine exhaust air to downward facing lift nozzles or by air or gas ducted into a tip turbine, The drive
remote from the engine. These nozzles may be in the system is provided by the main propulsion power
front fuselage of the aircraft or in the wings. The plant or by a separate engine.
engine duct is blocked by means of a diverter similar 19. The advantage of the remote lift system is that
to that described in para. 10. it gives some freedom to the aircraft to position the

Fig. 18-11 Lift-fan engine configurations.

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