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Encyclopedia > Screw sloop

A screw sloop is a propeller-driven sloop-of-war. In the 19th century, during the introduction of the steam engine, ships driven by propellers were differentiated from those driven by paddle-wheels by referring to the ship's screws (propellers). Other propeller-driven warships included screw frigates and screw corvettes.


  Results from FactBites:
 
1862foreignnavies (529 words)
Screw and paddle-wheel gunboats of 2 to 6 guns numbered 197.
In France, the fleet numbered thirty-seven screw liners of up to 130 guns each; fifteen screw frigates and eighty-four steam corvettes and sloops, plus at least twenty-five gunboats.
There were ten screw line-of-battle ships, nine screw frigates, and twenty-six screw sloops and corvettes.
Encyclopedia4U - Screw - Encyclopedia Article (1840 words)
A screw is a shaft with a helical groove formed on its surface.
Screws with left-hand threads are used in exceptional cases, when the screw is subject to anticlockwise forces that might undo a right-hand thread.
The diameter of a metric screw is usually specified in millimetres (mm) prefixed by the capital letter M, as in "M5" for a 5mm diameter screw.
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