Well it's taken longer than I thought but My first version of a UDS is done and smokin! I went with a single 1-1/2" intake and a 2" stack on the lid. Right now I'm using up the lump charcoal I had left from my UDFP that I like to cook on for the summer months. Gonna switch to briqettes next. I'll spare you all the usual info the burnin the liner and simple build stuff cause all that has been well covered already.