Thrust losses due to shanks were of order of 9% at airplane Mach number of 0.7 when propeller was operating at highest test power coefficient of 0.17per blade; loss in thrust due to shanks was function primarily of airplane Mach number and was relatively independent of blade loading.
Investigation of thrust losses due to shanks of flared-shank two-blade propeller on slender-nose airplane
Nat Advisory Committee Aeronautics -- Tech Note
1947
6 pages
8 Supp Sheets
Report
English
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Engineering Index Backfile | 1928
|Measurement of propeller blade shank
Engineering Index Backfile | 1941
|