Foreign-object retention and flow characteristics of retractable engine-inlet screens

Fred W. Steffen, Lewis A. Rodert
naca-rm-e57a15
Jul 1957


An investigation was conducted to determine and improve upon the foreign-object- retention capabilities and pressure-loss characteristics of retractable engine-inlet screens. Test were made with two commercially made retractable screens installed in the engine-inlet sections for which they were designed.

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