The report summarizes a study of possible alternatives to the tail rotor on single-rotor shaft-driven helicopters. The objective was to select concepts that show improvements over the tail rotor in high-speed dynamics, vulnerability, reliability and maintainability, safety, and at a lower priority level, acoustic detectability, and erosion and foreign object damage. These characteristics were to be obtained without incurring unacceptable penalties in aircraft weight, performance, or cost. The stability and control criteria of MIL-H-8501A were imposed throughout. (Author)
Advanced Antitorque Concepts Study
1971
167 pages
Report
Keine Angabe
Englisch
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