In what follows an estimate will be made of the magnitude of the ground effect. For the two cases where the distance a of the propeller from the ground is very small, and very large, respectively, in comparison with the propeller radius r(sub o) the relations may be simply expressed. We consider first the effect of the ground, assuming that the thrust is held constant, as may be done by a suitable change in the propeller speed.
The ground effect on lifting propellers
1937-08-01
Miscellaneous
No indication
English
ELECTRIC VTOL AIRCRAFT WITH TILTING PROPELLERS AND LIFTING PROPELLERS
European Patent Office | 2024
|The theory of lifting propellers
Engineering Index Backfile | 1928
|General study of lifting propellers
Engineering Index Backfile | 1929
|Lifting-Surface Program for Contrarotating Propellers
NTIS | 1989
|The ground effect on liftin propellers
TIBKAT | 1937
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