As I said in the first post, it's hard to reliably describe a sound. One man's clunk, is another man's thunk, is a the third guy's clank.
I've never heard a BB make what I'd call a clunk, but that doesn't mean another person wouldn't describe it that way.
__________________
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.