Tests at Stanford University on 4-blade fixed counter-propeller in combination with 2-blade rotating propeller; efficiency of normal form, well-designed air propeller can be increased about 2% over full working range by addition of fixed counterpropeller blades.
Experiments with counter-propeller
Nat Advisory Committee Aeronautics -- Tech Note
1933
9 pages
5 Supp plates
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Experiments with a counter propeller
SLUB | 1933
|Engineering Index Backfile | 1930
|Engineering Index Backfile | 1913
|