Dear all, Sorry Jim if I took your comment out of context.. Richard. My thinking hasn't changed. I published the FW ceiling as a frame of reference only. My recommendations for matching hammer weight and ratio are rules of thumb as well. Each situation is unique and choices are made based on a balance of all the relating factors. The 5.5R/TopMedSW/38BW just happens to be a popular PTD request and I've come to trust it as a design standard. David Stanwood
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