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1
Noise from propellers with symmetrical sections at zero blade angle.
Published 1938“…National Advisory Committee for Aeronautics,…”
Online Access
Government Document eBook -
2
Noise from propellers with symmetrical sections at zero blade angle /
Published 1937“…National Advisory Committee for Aeronautics,…”
Online Access
Government Document eBook -
3
Propeller rotation noise due to torque and thrust /
Published 1940“…National Advisory Committee for Aeronautics,…”
Online Access
Government Document eBook