Actions for Model Tests on the Economy and Effectiveness of Helicopter Propellers

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Model Tests on the Economy and Effectiveness of Helicopter Propellers

Author
Munk, Max M
Published
January 1925.
Physical Description
1 electronic document
Online Version

Availability

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Restrictions on Access
Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
The average velocity of helicopter blades relative to the air is greater than that of airplane wings. The helicopter may turn out to be more economical than the airplane wing for extreme velocities of horizontal flight, the airplane then requiring a very great speed range.
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19930081030.
Accession ID: 93R10320.
NACA-TN-221.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15437703