TRANSPORT · TRANSPORT|land transport|land transport
- uillinn ghreadta Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- flapping angle
- en
- Definition the angle between the bladespan axis and the plane of no feathering.Blade flapping motion is the variation with azimuth angle of the blade flapping angle Reference Multilingual Aeronautical Dictionary(AGARD,1980)