Unbuilt Beechcraft QCGAT demonstrator. The Quiet Clean General Aviation Turbofan (QCGAT) was an engine program that was extensively tested in 1978-80 under NASA supervision. Avco Lycoming and Garrett both submitted their own designs for it, but the program didn't go past ground tests.

Sources: National Archives


  • Beech QCGAT.jpg
    Beech QCGAT.jpg
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  • Avco Lycoming QCGAT.jpg
    Avco Lycoming QCGAT.jpg
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  • Garrett AiResearch QCGAT.jpg
    Garrett AiResearch QCGAT.jpg
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