An interesting and informative discussion RE: chamber rings, with quotes from Mr. Charles E. Dell and his investigation into the phenomenon.

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CMM

That is not correct per Charlie's findings. If the wad is left off the powder column by .10 it would create a faint ring and having it .20 off the ringing affect went away. There is more to it as wad material comes into affect as well. Anything that turns into a plasticized state while being burned must also be avoided. I highly recommend picking up Charlie's book it is a wealth of information and I reference it often. The chapter on chamber ringing is worth the cost of the book alone and he goes into great detail on the matter. The comment on Texas Mac's web site about Charlie ringing chambers by having the wad off the powder column is incorrect, that stops the ringing affect. It was when the wad was placed directly on top of the powder column that Charlie could ring chambers at will. From the book on page 343 in Charlie's words " With the cork wad on the powder ten shots and we had a ring forming, with the .010 standoff we saw possibly a hint of a ring and with .020 standoff there was no ring." Again wad material comes into play plus some other factors so buy the book to read the entire testing methods and materials and chamber ringing should no longer be a concern.

J.Louis

It is available from Buffalo Arms for a mere $195.00 of from the ASSRA Archives for $60.00 your choice. Fell free to add a donation to the ASSRA as we sell to to cheap. But it is what Charlie wanted.
Cheers,
Laurie

J.Louis
They are all unsigned.
Cheers,
Laurie

fallingblock wrote on Oct 20^th, 2012 at 8:02pm:


Wow.  I thought that was a typo so I just went to the BACO sight to check.  I paid a lot less than that when I bought mine from them a couple of years ago.  I think I paid $60 or $70 dollars.  It is a great book.

Chris.

Thanks for the leads on Dell's book.

.......... is anyone using a wad with their smokeless loads? Specifically thinking 25-20WCF and 25-35WCF.

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Let me repeat, A More Than Interesting Article, by a substantial patron of the sport and worthy of your time reading it.

Thanks Wayne for your appearance here today and for your clarification.  Keep up the good work.   

CMM

Thanks Mike, you are correct with your statment having the powder held perpendicular to the bore   would ring the chamber. All of Charlies ringing tests did have an air space between the wad and the base of the bullet. In fact at times two wads were used, one a .020 standoff from the powder and one in the case mouth and or at the bullets base with no ringing effect. Air space was always present and anything under the .020 standoff either showed faint signs of a ring occurring and on the powder a consistent ringing of the chamber.

J.Louis