I recently saw a store online that allows you to enter each walls dimension and will then tell you the max racking for each wall. I had saved the store name on my previous computer but it died.
The one I have seen is from Apex Wine Cellars, although it seems to be some sort of sub or related company at this website:
that was the one. thanks ![[thankyou.gif]](/uploads/db3686/original/2X/d/df165fe9c1593d19166ae7e1ffe5e272089cc07b.gif "thankyou"){kind=small}