<page_title> Slowed rotor </page_title> <section_title> List of slowed rotor aircraft </section_title> <table> <cell> Sikorsky X2 <col_header> Aircraft </col_header> </cell> <cell> 360 to 446 <col_header> Rotor RPM </col_header> </cell> </table>
The X2 deals with the rotor speed from 446 to 360 RPM.