Reply by Patrick Jaromin

I’m no expert but I did quite a bit of research online before designing my system…and I can share you some links to some of the articles I’ve read…

This guy did some calculations re: 6” vs. 4” and convinced me to use 6” mains (along with reading Sandor’s book)
http://unkis17.googlepages.com/dc.htm

Here are some other links I saved that you may find of value:
http://www.woodcentral.com/articles/shop/articles_221.shtml
http://www.woodcentral.com/articles/shop/articles_221.shtml
http://harderwoods.com/pipedocs.html
http://home.comcast.net/~rodec/woodworking/articles/DC_myths.html
http://www.benchmark.20m.com/articles/BlastGate/blastgatebuilding.html

-- Patrick, Chicago, IL http://www.TenonAndSpline.com/blog