mcDonnell_xv9a_01.jpg

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[Ron Monroe]

This is a Hughes concept, not McDonnell. You can even see it on the Nacelle,
and the cockpit looks suspiciously like an OH-6. It was a concept to test
the idea of pushing hot air through the rotors to make them turn, rather
than using a transmission. It was called the Hot Air Cycle.
Ron

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