Advanced Technology VTOL Drive Train Configuration Study
UNITED TECHNOLOGIES CORP STRATFORD CT SIKORSKY AIRCRAFT DIV
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This report presents transmission system concepts that have been developed during a design investigation into single-rotor pure and compound helicopter drive trains. Specific areas considered in this study include torque dividing mechanisms supplying power to multiple load paths, redundant drives, and the use of epicyclic gearing for initial speed reduction. Recently, the free-planet planetary concept for parallel-axis speed reduction has been advanced for use in helicopter drive trains. A preliminary study incorporating this concept in a main gearbox is included.
- Machinery and Tools