Curtiss S

{{Short description|Curtiss engine}}

The Curtiss S was a {{cvt|60|hp}} water-cooled 6-cylinder in-line aero-engine.{{cite book |last1=Angle |first1=Glenn D. |title=Airplane Engine Encyclopedia |url=https://archive.org/details/airplaneenginee00anglgoog |date=1921|publisher=THE OTTERBEIN PRESS|location=Dayton, Ohio|pages=}}