I'll add this after I re-read Bandit's question....I have tried moving blankets before, when I had a very cold and windy day, and it seemed to help. I guess by extending the pipe into the chamber I'm hoping to accomplish the same thing, making the pit more efficient.
[B]Full Draw BBQ[/B]
Lang 60D trailer
22.5 Weber Kettle - retired
[COLOR=red][B]Rec Tec[/B][/COLOR] Grill