A screw sloop is a propeller-driven sloop-of-war. They were popularized in the mid-19th century, during the introduction of the steam engine and the transition of fleets to this new technology.
USS Plymouth, an Algoma-class screw sloop
The Hydra-class sloop Hecla in 1854
Screw sloop Rattler vs paddle sloop Alecto in 1845
The first USS Wyoming of the United States Navy was a wooden-hulled screw sloop that fought on the Union side during the American Civil War. Sent to the Pacific Ocean to search for the CSS Alabama, Wy
Screw sloop
…USS Housatonic, sunk by the first successful submarine attack. USS Wyoming Watergeus-class sloop…