Tank gun question

From: J. Forster (jfor@quik.com)
Date: Tue Oct 01 2002 - 11:08:38 PDT


In looking at various tank pics, a friend asked me what the bulge often seen in
the middle of tank main gun barrels is for. My only guess is to break up some
vibration mode. It's not the flash arrestor, I think.

Anyone know for sure.

TIA,
-John



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