Product Improvement Test of Cobalt-Steel Leading-Edge Main-Rotor Blades in the UH-1D Helicopter
ARMY AVIATION BOARD FORT RUCKER AL
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The purpose of this research is to provide the Iroquois Project Manager with the results of operational experience on product-improved cobalt- steel leading-edge main-rotor blades on the UH-1D Helicopter relative to their suitability in resisting sand and dust erosion as compared with the standard rotor blades.
- Metallurgy and Metallography