Page 49 - The Jet Engine

Combustion chambers

Fig. 4-5 A vaporizer combustion chamber.

chamber has an inner flame tube around which there 17. The separate flame tubes are all interconnect-
is an air casing. The air passes through the flame ed. This allows each tube to operate at the same
tube snout and also between the tube and the outer pressure and also allows combustion to propagate
casing as already described in para. 6. around the flame tubes during engine starting.

Fig. 4-6 An early Whittle combustion chamber.

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