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human-powered helicopter

helicopter powered solely by human activity

en-GB/ˈhjuːmən - ˈpaʊəd ˈhɛlɪˌkɒptə/
en-US/ˈjumən - ˈpaʊɚd ˈhɛlɪˌkɑptɚ/

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human powered aircrafthelicopter