My first I start out with a 250 gallon propane tank

Discussion in 'Reverse Flow' started by steve4christ, Dec 18, 2013.

  1. Well I have been reading all of your threads and I do mean all (like a lot of you my wife has been asking questions about my internet use) and as of today I have three very important steps out of the way....1) I have a very qualified welder who is going to walk through this process with me from start to finish 2) I have on order a trailer, I found out that I can have our local trailer builder make me a stripped down  trailer (axel and frame) cheaper than I can buy the materials and build it myself $600 and 3) Finally found a 250 gallon tank for $150.....oh yeah make that four steps 4) I found out that one of the members of the church I pastor works at the local steel yard [​IMG]. 3/16 4x10 plate steel for $120 (I was originally quoted from the same steel yard $158) and they may throw in some cutting to boot.

    Picking up the propane tank on Friday morning and cutting it open Saturday am. I post some pics of that when I can. Thanks for all of your inspiration!!
  2. Oh and my design inspiration comes from a friend who built this beauty.

    Although I like it a lot I am not planning on adding the 12" middle section.
  3. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    Are you happy with your preliminary calculations for the smoker...... You might consider running those numbers through the forum so members can help with stuff to insure you get the best smoker possible...

    steve4christ likes this.
  4. Yep Dave I am happy with the numbers I ran on the feldon calculator and I do have a question to throw out there. I want to add a rib rack on the end over the fire box and I was wondering where to add in those dimensions. So far I have the following measurements

    CC 57750 ci

    FB 30x30x24 21600 ci or 112.2%

    Chimney size 6 in pipe 38"

    So I am looking to see if I can find out what size I can make my rib rack and what adjustments that might require to my firebox...I'd rather be a bit  larger than need be and yes I thought about rephrasing that but I'm in too big a rush today [​IMG].
  5. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    I see you have run your numbers using the 112% larger firebox.. That is one problem I have with Feldon's calculator.... It uses the FB to calculate all the numbers.....
    I would rerun the numbers with the original 100% FB numbers.... In my opinion the sizing of stack, FB inlets, FB/CC opening etc should be based on the size of the CC.... Just my opinion.... Then you can make the FB any size you want.....
    steve4christ likes this.
  6. Thanks Dave I'll run those numbers

  7. I agree totally Dave, ...I start with the cooking chamber size and and use the calculator as a base line for minimum sizes for everything else,

    Sort of , if its at least that big or bigger, I'll be fine.
    steve4christ likes this.
  8. Ok so most of the day I've been thinking of the build and an idea I have is to put a big grill on the back over the FB instead of a rib rack. I haven't seen one on here so far. Does anyone have any design ideas they are kicking around? When I take this rig into some neighborhoods I might be cooking hamburgers and hotdogs to give away so I need plenty of room and I'm not sure how to make the change from a RF to a grill on the fly. Any ideas would be great.
  9. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    Steve, evening.... My thoughts are, "a dual purpose makes neither design a great design"...... Build a separate grill....
    If you "must" make it a dual purpose, make the top of the FB removable and install a grate directly over the fire.... I would hope that wouldn't have an effect on the quality of RF smoker you were building....
    steve4christ likes this.
  10. Do a park style grill on the back side. Sausage over some kingsford is a mighty fine snack while waiting on some slow smoked BBQ.

    steve4christ likes this.
  12. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    If you mount something similar on the top of the FB, it will scavenge heat from the FB and no additional calculations are necessary.... Incorporating it into the smoke/heat flow path is something I have no idea how to figure, and still maintain the integrity of the smoker....
    steve4christ likes this.
  13. Hey Dave and RW ,

    Here is what we did on one of our smokers, This was a small unit  You can grill or smoke but not both at the same time. I had rather have a separate grill

    steve4christ likes this.
  14. Went by to pick up the tank today and the guy offered to cut the end off for me and make it into a fire pit even throwing in the steel for the legs. Only drawback is time, 2 weeks, but hey I can wait. I need to work the plan some more and I wasn't looking forward to that first cut ;-)
  15. So the holidays are really busy in my line of work. Today I was able to pick up the on to building this wonderful instrument of pleasure. [​IMG]

    Below are some pictures for your viewing

  16. Question: Is it better to burn now or wait till all the cutting and welding is done first?
  17. Also I've been thinking about my idea of the smoker grill combo I talked about earlier and I might have given the wrong impression of what I want. I want a smoker that can at times (very limited times I might add) be used as a grill.....but never at the same time. Make sense?
  18. jmud

    jmud Meat Mopper

    When I built the mini mud pit it was a propane tank too. I lit a couple SMALL fires in it to burn off some of the smell. Might not get it all out till the end of build, but the small burns help. Had to wash clots pretty good too
    steve4christ likes this.
  19. Fire pit look good my #2 son builds fire pits when he has time

    steve4christ likes this.
  20. My wife was excited at her new fire pit


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