Nice Flues tutorial by Researcher, an interesting exchange of letters regarding a cracked frame 10g, and comments by Miller and Larry
https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=552092

I'm trying to find Greg Tag's cracked frame research - it must have been prior to 2007
https://www.doublegunshop.com/forum...mp;Board=1&main=6532&type=thread

Interesting thread with a sectioned 16g Flues frame
https://doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=41484&page=1

[Linked Image from photos.smugmug.com]

[Linked Image from photos.smugmug.com]