Drag or negative traction of geared down supporting propellers in the downward vertical gilde of a helicopter
geared-down
1920
5 Bl.
Miscellaneous
English
RVK: | ZO 7000 |
Geared down propellers and efficiency of commercial airplanes
Engineering Index Backfile | 1927
|Engineering Index Backfile | 1920
Design of propellers for geared turbines
Engineering Index Backfile | 1913
|Hybrid geared traction transmissions
NTRS | 1983
|