A twin rotors technology allows to replace the usual rear rotor of an aircraft with a vertical fin
Item
Title (Dublin Core)
A twin rotors technology allows to replace the usual rear rotor of an aircraft with a vertical fin
Subject (Dublin Core)
Article Title and/or Image Caption (Dublin Core)
Image Caption: Twin rotors lift and propel a teardrop plywood craft designed and built in his spare time by Fred Landgraf, engineer at a Los Angeles, Calif. , aircraft company.
Language (Dublin Core)
eng
Temporal Coverage (Dublin Core)
Date Issued (Dublin Core)
1944-01
Is Part Of (Dublin Core)
pages (Bibliographic Ontology)
48
Rights (Dublin Core)
Public Domain (Google digitized)
Source (Dublin Core)
Archived by (Dublin Core)
Lorenzo Chinellato
Marco Bortolami (editor)