Static soaring flight has hitherto been accomplished by means of two sources of energy: ascending air currents in the vicinity of obstacles and those produced by unequal heating. The latter has not yet been practically tested in soaring flight.
Static soaring flight over flat sea coasts
1923-11-01
Miscellaneous
No indication
English
Soaring flight and soaring aircraft
Engineering Index Backfile | 1922
Engineering Index Backfile | 1928
|Engineering Index Backfile | 1921
|Engineering Index Backfile | 1912
|Engineering Index Backfile | 1957