The Canadian Forces CH113/113a Search and Rescue Helicopters occasionally encounter unavoidable icing conditions in their operating environment, The original engine inlet safeguards were not designed form nor capable of sustained operations in icing environments, necessitating removal of the inlet screens in these conditions. This arrangement resulted in unacceptable risk of foreign object damage to the engine, and compromised operational safety. Ice tolerant inlet screens were developed as a remedy for this problem. The flat faced, inverted cone screens with a bypass opening accommodate progressive ice congestion during the various operational modes with minimum engine performance degradation.


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    Title :

    Ice Tolerant Engine Inlet Screens for CH113/113A Search and Rescue Helicopters


    Contributors:
    R. B. Jones (author) / W. A. Lucier (author)

    Publication date :

    1990


    Size :

    11 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English