There are reasons for believing that in certain states of working, resultant aerodynamic force on blade element of propeller is normal to helicoidal surface; object of inquiry was to see to what extent this is borne out by experimental results.
Airscrew torque-coefficient
Aircraft Eng
Aircraft Engineering ; 17 , n 198
1945
3 pages
Aufsatz (Zeitschrift)
Englisch
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Emerald Group Publishing | 1945
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|Engineering Index Backfile | 1941