# A Methodology for Determining the Optimal Rotational Speed of a Variable RPM Main Rotor/Turboshaft Engine System

> Research article (Journal of the American Helicopter Society, 2015) · cited 24× · AI/ML

**Wikidata**: [openalex:W4253972161](https://www.wikidata.org/wiki/openalex:W4253972161)  
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