Exhaust systems, let s face it, give a lot of trouble in aviation. As we mentioned in the earlier article on cracks, exhaust systems need to be added as components that are subject to a great many cracking is sues. That said, a great deal is asked of very thin steel that runs very hot, and must be designed with great flexibility in use to handle vibrations while maintaining a exhaust tight seal, and the ability to be disassembled. It's very easy for aircraft exhaust to penetrate the cabin if not kept up to par, since many aircraft depend on the exhaust for cabin heating. By contrast the auto uses hot liquids for transfer of heat to the cabin.
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