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paravane
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paravane

Anti-mine device, used by the British in World War I for minesweeping.

It was towed from the bows of a ship and was so designed that at a preset depth it would pull the towing wire taut. When this wire struck a mine cable, the cable was deflected down the wire to the paravane where it met a powerful cutter blade.

This cut the mine free to float to the surface some distance from the ship, where it could be destroyed by gunfire.

One paravane on each side of a ship's bow virtually guaranteed safety against moored mines.



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At dawn each day a flotilla of trawlers would proceed to sea, using these paravanes to sweep the navigation channels.
In January 1941, possibly to celebrate Australian troops' key role in Battle of Bardia, the first major Allied victory, Australian merchant seamen went on strike on the ground that ships did not have paravanes, owing to other strikes, and despite an assurance they would proceed only along swept channels.
 
 
 
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