Page 18 - The Jet Engine

Basic mechanics

Fig. 1-11 A turbo/ram jet engine.

18. The turbo/ram jet engine (fig. 1-11) combines ventional turbo-jet with the afterburner lit; at other
the turbo-jet engine (which is used for speeds up to flight conditions up to Mach 3, the afterburner is
Mach 3) with the ram jet engine, which has good inoperative. As the aircraft accelerates through Mach
performance at high Mach numbers. 3, the turbo-jet is shut down and the intake air is
19. The engine is surrounded by a duct that has a diverted from the compressor, by guide vanes, and
variable intake at the front and an afterburning jet ducted straight into the afterburning jet pipe, which
pipe with a variable nozzle at the rear. During take- becomes a ram jet combustion chamber. This engine
off and acceleration, the engine functions as a con- is suitable for an aircraft requiring high speed and

Fig. 1-12 A turbo-rocket engine.

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