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kopfring

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kopfring [′käpf‚riŋ]
(ordnance)
A metal ring which is attached to the nose of a bomb to reduce its penetration in earth or water.


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The Henschel Hs293/294 anti-ship guided missile (also of WW II), using an SC500 warhead with Kopfring (a device fitted to German and Russian bombs to limit penetration in soil), may have achieved supercavitation on entering the water at 150 to 180 metres/sec.
 
 
 
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