Question about conducting heat

Discussion in 'Smoker Builds' started by noogsmoke, Oct 30, 2015.

  1. noogsmoke

    noogsmoke Newbie

    Is there a particular reason - other than readily available 6" stove pipe - that 6" is the only(?) diameter used in double barrel builds? 

    I took a look at some today for my build but they seemed huge!  Would decreasing the size to 4" not conduct enough heat?
     
  2. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    4" flows 1/2 of 6"... You want all the flow you can get... I would use 8" and control the heat with the air inlet on the FB....
     
  3. noogsmoke

    noogsmoke Newbie

    I assumed there would be some difference in flow between sizes but it had me thinking...

    Obviously, the moe flow the better.  However, if our ideal temps are only within 50-75* of each other then would reducing the diameter control itself essentially?

    I am running two 4" elbows instead of one/two 6" elbows.  If I can hit ideals temps running full open, albeit smaller, pipe then why mess with larger ones and mess with inlet airflow?

    I suppose the question is: can I hit optimal temps on wide open 4"? Or is the control available from 6" and FB inlet that much more ideal?
     
  4. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    Someday, you may want to adjust the temperature....
     

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