SCIENCE · TRANSPORT · TRANSPORT|land transport|land transport
- claonadh geoiméadrach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- geometric pitch
- en
- Definition the distance which an element of a propeller would advance in one revolution when moving along a helix to which the line defining the blade angle of that element is tangential Reference Multilingual Aeronautical Dictionary(AGARD,1980)