Newbie Here

Discussion in 'Reverse Flow' started by racer102, Jul 31, 2015.

  1. racer102

    racer102 Fire Starter

    First build need advice. Will this work for a air compressor tank 20 X 48

    1-   18 X 18 Fb to be used

    2-  Cut into tank will be 5" from the bottom to seam which is 5" in from crown of tank

    3- plate mounted flush with FB. Will be using a channel and sloping to opposite end for drain

    4- cooking grate would be 4 to 5 inches above plate

    Thanks in advance for the info. Those calculation pages just screw me up have come up with 8" from the bottom seems really high to me and just leaves no grate area to speak of
     
  2. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

  3. racer102

    racer102 Fire Starter

    So with a dome end on a compressor tank what do I use Partial round, football ETC. ????

    Also how deep do I set it into the tank
     
    Last edited: Jul 31, 2015
  4. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    If you measure from one seam to the end of one dome, that will be close..... OR measure half the domes and do the calc...


     
  5. racer102

    racer102 Fire Starter

    So I measured the tank from seam to end of dome 43.5" so that is my true length now, not the way I was measuring it total end to end at 48".

    So recalc. at 43.5"
     
  6. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    That's close enough to get an approximate volume... AND will get good numbers for the rest of the calculations so you have a great smoker.......

    Dave
     
  7. racer102

    racer102 Fire Starter

    Thanks Dave greatly appreciate your advice. Now off to start up the plasma cutter and get tis thing started
     
  8. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    Considerations for the door opening....


     
  9. racer102

    racer102 Fire Starter

    Here it is the start of my smoker. Thanks to Dave for the help. I'm slowly doing this as I had cancer surgery 4 weeks ago and I'm still not up to full speed so I tinker then rest for the day then work a little more

    Marking the cut out for the throat was a challenge but got it marked. I used my Dial Indicator base with a long drill bit in it the taped a magic marker to that. Set height and went to marking. Put a piece of sheet metal down so that it would move smoothly around without any jarring worked great.

    Here is what I have so far





     
  10. racer102

    racer102 Fire Starter

    Is there any real height standards for a smoker from the ground to bottom of door is it more preference

    My smoker will have about 4 to 5 inches from plate to grate and leave me 10" above the grate to top will this be ok
     
  11. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    You could make the grate adjustable.... from 3" to 5" from the RF plate to accommodate larger cuts of meat.. maybe add a second grate so you could have one at 3" and one at 9" for smaller cuts of meat....

    The only standard is making the smoker accommodate your needs...
     
  12. jcbigler

    jcbigler Smoking Fanatic SMF Premier Member

    Dave, is the proper measurement from end to end including the domes? or from seem to seem? or what?
     
  13. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member



    See post 4....
     
  14. racer102

    racer102 Fire Starter

    Fire box dampers. I have a end door going in to the fire box. Where is the best placement for the damper front or side round or sliding square. should it be mounted low  middle or high
     
  15. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    see link on post #2
     
  16. racer102

    racer102 Fire Starter

    So it looks like square is better than round is that correct. Also the square inch calcs I take are based son sea level I'm at 5000 ft. Says I need 13.5 sq in how much should this be increased
     
  17. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    Elevation "should" have an equal effect, on all parts of the smoker....
     
  18. racer102

    racer102 Fire Starter

    Fire box done door drilled with vents and charcoal box built. Little at a time and will get this smoker done. Pics of fire box coming


     
    Last edited: Sep 24, 2015
  19. racer102

    racer102 Fire Starter

    Question about flue. I know the height I'm suppose to use according to the calculator sheet but where do you measure from. I'm using a 90 degree elbow out of the end of the cc so is it from the bottom of the elbow to top or what  Thanks
     
  20. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member



    I recommend the plenum style exhaust stack connection for improved air flow...
     

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