Page 253 - The Jet Engine
P. 253

23: Power plant installation





                                                              Contents                                       Page



                                                              Introduction                                    243
                                                              Power plant location                            243

                                                              Air intakes                                     245

                                                              Engine and jet pipe
                                                              mountings                                       248

                                                              Accessories                                     249
                                                              Cowlings                                        249





























                                                                       POWER PLANT LOCATION
                                                                       2. The power plant location and aircraft configura-
                                                                       tion are of an integrated design and this depends
                                                                       upon the duties that the aircraft has to perform.
                                                                       Turbo-jet engine power plants may be in the form of
                      INTRODUCTION                                     pod installations that are attached to the wings by
                                                                       pylons (fig. 23-1), or attached to the sides of the rear
                      1. When a gas turbine engine is installed in an  fuselage by short stub wings (fig. 23-2), or they may
                      aircraft it usually requires a number of accessories  be buried in the fuselage or wings. Some aircraft
                      fitting to it and connections made to various aircraft  have a combination of rear fuselage and tail-
                      systems. The engine, jet pipe and accessories, and  mounted power plants, others, as shown in fig. 23-3,
                      in some installations a thrust reverser, must be  have wing-mounted pod installations with a third
                      suitably cowled and an air intake must be provided  engine buried in the tail structure.  Turbo-propeller
                      for the compressor, the complete installation forming  engines, however, are normally limited to installation
                      the aircraft power plant.                        in the wings or nose of an aircraft.

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