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Intake vent size?.

Posted: Mon Mar 28, 2016 8:24 pm
by Vidasi13
Thank you for the add :chef:. I've already started on my 30 gallon drum and the lid is a 2" bunge I was wondering what size holes to drill for the intake vents for the proper draft flow I was thinking two 2" on opposite sides thanks in advance for the newb question.

Re: Intake vent size?.

Posted: Tue Mar 29, 2016 9:36 am
by k.a.m.
I use four 3/4" intakes evenly spaced 2" off the bottom of the drum.

Re: Intake vent size?.

Posted: Tue Mar 29, 2016 10:42 am
by Finatic
I used 3 of these Weber grill replacement dampers on mine (which is an 85 gallon drum) and it is (for the most part) overkill. Each hole I believe is 3/4" in diameter. It is handy to have all of them open when I'm trying to get the coals going but it's not necessary. I'd go with at least one 2" if you plan on using any type of electronic temperature control device (which in my opinion is not necessary on a drum). If I built another one I would go with 2 of the Weber dampers though. IMO it's always better to have too much intake than not enough.

Re: Intake vent size?.

Posted: Tue Mar 29, 2016 4:05 pm
by Vidasi13
Great idea thanks for your guy's input I really appreciate it :lol:

Re: Intake vent size?.

Posted: Sun Apr 10, 2016 12:50 am
by Vidasi13
So I went with the 2" intake holes now I need ideas for the dampers.

Re: Intake vent size?.

Posted: Sun Apr 10, 2016 9:01 am
by Swamp Donkeyz BBQ
I use ball valves. I've seen people use magnets too. The flimsy type magnets that you can make door signs with.

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Re: Intake vent size?.

Posted: Mon Apr 11, 2016 7:33 am
by Finatic
I build my own but here is a link to an air exhaust damper that looks like it'll work well.

[http://www.bbqsmokersupply.com/index.php?main_page=product_info&cPath=6&products_id=60&zenid=34eb86af89c9536b498b63eb1dfe8310]