Open figure viewer
VERTICAL take‐off aircraft in the form of jump‐autogyros and helicopters have been under sporadic development since the first world war during which a co‐axial design attributed to von Karman was used tethered for observation purposes. Only limited success was achieved between the wars due to two main factors:
This content is only available via PDF.
© MCB UP Limited
1968
You do not currently have access to this content.
