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Application of Fiber-Reinforced Epoxy Materials in Helicopter Rotor Blade Development
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English
Abstract
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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Citation
Hoffstedt, D., "Application of Fiber-Reinforced Epoxy Materials in Helicopter Rotor Blade Development," SAE Technical Paper 680315, 1968, https://doi.org/10.4271/680315.Also In
References
- Tarczynski T. “Fiberglass Reinforced Plastic Blades for the CH-47 Helicopter.” Vertiflite October 1963
- Pinckney R. L. “Fabrication Techniques and Materials for High Modulus Filament Reinforced Composites.” Final report to U. S. Air Force AFML, AFSC, WPAFB, Ohio, Contract AF33 (615) 3319, Boeing Document D8-0916 December 1967
- Research and Development of Helicopter Rotor Blades Utilizing Advanced Composite Materials.” Contract AF33 (615) 5275, Boeing Document D8-0471-5 September December 1967