Strain Measurements of Rotor Blades, M.BERRY. Am Helicopter July 1952 p 9, 15-6. Features and application of Baldwin SR-4 bonded resistance wire strain gages as used at Piasecki Helicopter Corp for checking performance of new types and sizes of rotors against their design strength and actual maximum stresses to which they may be subjected in flight.
Investigations of bending-moment, distribution on model helicopter rotor blade and comparison with theory
NACA -- Tech Note
1952
91 pages
Report
English
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