stability sail - A vertical pole on which flags can be raised. stall - 1 - To stop moving. 2 - Air is sail to stall when it becomes detached from the surface it is flowing along.
Also stability sail or riding sail. Any small sail set to help the boat maintain its direction without necessarily moving, as when at anchor or in heavy weather. Steaming Light ...
Riding sail Also called a stability sail. Any small sail set to help the boat maintain its direction without necessarily moving, as when at anchor or in heavy weather.
See also: Stability, Boat, Set, Heavy weather, Hull
 
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