1968-02-01

Application of Fiber-Reinforced Epoxy Materials in Helicopter Rotor Blade Development 680315

Advantages of filament-reinforced epoxy structures are discussed in comparison with metal structures commonly used for helicopter rotor blades, while test data on various fiber-reinforced epoxy materials are compared. Development test results demonstrating structural adequacy of reinforced-epoxy full size rotor blade segments are presented as well as quality assurance techniques. Economic considerations on cost of materials versus component performance improvement are discussed in a cost effectiveness summary.

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