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pipe burner build instructions

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  • dsmith
    replied
    Hi Joe,
    We have a single 1.5" hole in the bottom of the smoker for air input and for drippings. We added a sliding door on the back end so that we could regulate for more air, and also a place to enter our tin of hickory chips for smoke flavor. We will add more bottom holes if we find that we need even more air.
    I found that Franklin Machine sells brass 1/8" npt orifices that will work just fine. Their p/n 158-1111 is a #55 (and they have others). They are wholesale so one would need to find a retailer to buy from - there are some on the web. I will try my solder filled nipple first. Solder melts at about 380 degrees F, but I should be OK with mine located outside the smoker. Another option would be to braze rather than solder, that would raze the melting temp to over 800 deg F. We should be able to finish the smoker shortly, and I will post pictures.
    Thanks
    Don

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  • boykjo
    replied
    Good deal!

    Remember, when you install your burner(s) you will need to ventilate the area around the burner. I drilled a 1 1/2" hole at the bottom of each end of the drum and installed a trap door in the middle. I also use the trap door to add wood chips. I have an expanded metal tray that lies across my burner to create the smoke.

    Good luck with your cooker.................

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  • dsmith
    replied
    Hi Joe, All is well and I have blue flame. I filled the 1/8 NPT adapter at the burner tube, about 1/4 full with solder, and then drilled a center hole with a #55 drill (.055"). THe solder should hold up fine as it is well away from the burner slots , and is located outside of the smoker. This did the trick as you suspected. I am attaching pics. FYI, I also noted that the slots cut into the blackpipe with the band saw are the same width as a sawzall blade. Again, thank you for all your help. Don

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  • boykjo
    replied
    Your Orifice on the regulator hose end is definitely causing the problem. Order or pick up new orifice and post results as per our conversation

    Joe

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  • dsmith
    replied
    Boykjo here are the pics. First is the smoker, we're getting there but still have some finish work to do. Next is the yellow flame (yes - carbon monoxide), next is pic of the manifold, then the regulator asm, then the orfice out of the manifold flow control valve, and finally the orfice at the end of the regulator hose. This hose end orfice appears to be 2 to 3 times the size of yours, and may well be the problem. The black pipe diameter is 1" ID, with 1/8" wall. I did get some 1.5" ID black pipe today (it was already in process) and can build that up into a burner to try if necessary. Or I can see if I can find a reducer that will take the end of the regulator hose down to a smaller orfice. Boykjo - what do you suggest. And,,,thank you very much for the help.
    Don

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  • boykjo
    replied
    Originally posted by poolie_p View Post
    boykjo; have you tried this with Natural Gas? I know you would need a different Reg. just curious if the holes would need to bigger or smaller, same
    Thanks
    No I havent. messed with natural gas a few times. Seems to be very finicky....

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  • boykjo
    replied
    Don, here's the pic of the end of the regulator hose.

    heres a link to where u can get untested unfinished pipe in charlotte

    http://www.mechsupply.com/
    Last edited by boykjo; 02-01-2008, 01:40 PM.

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  • poolie_p
    replied
    boykjo; have you tried this with Natural Gas? I know you would need a different Reg. just curious if the holes would need to bigger or smaller, same
    Thanks
    Last edited by poolie_p; 02-01-2008, 10:32 AM.

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  • Guest's Avatar
    Guest replied
    Nice rig...well thought out...keep in mind that yellow flames also mean carbon monoxide present, too.

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  • whateg0
    replied
    Originally posted by dsmith View Post
    Now that's one fine looking smoker. I think that you have also hit on my problem, I'll find some 1.5" OD pipe today and build up a burner. Got your PM, and will call to let you know how I made out. Thanks, Don.
    When looking for materials, remember that tubing is measured by the outside dimension while pipe is measured on the inside.

    Dave

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  • dsmith
    replied
    Now that's one fine looking smoker. I think that you have also hit on my problem, I'll find some 1.5" OD pipe today and build up a burner. Got your PM, and will call to let you know how I made out. Thanks, Don.

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  • boykjo
    replied
    Originally posted by dsmith View Post
    It was a single 60" tube (1" dia), fed with an end cap manifold, per your design, connected via flexible gas hose to a high pressure regulator. The regulator was directly attached to a 1/2 full, 20# propane tank.
    I Just saw 1 inch diameter? Pipe should be 1 inch inner diameter 1 1/2 inch outer diameter. I am going to PM you my number. call me anytime this weekend.

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  • boykjo
    replied
    Heres mine

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  • boykjo
    replied
    I'll post a pic of the regulator today (friday afternoon) so we can figure out how to turn this yellow stuff into blue stufff.

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  • dsmith
    replied
    Thanks for the quick response as to my "yellow flames". We have had a lot of fun building the smoker. It has come a long way from an unused fuel oil drum in a neighbors back yard, and an old boat trailer left in the weeds for years. It looks better than store-bought. I will get pics of it and the burner tomorrow. I searced for weeks looking for a tube burner that would work. Thank you for your design. You certainly will be on the list to come over for some good Carolina Smoked Pig.
    We tested the one 60" tube burner in the open - out doors. It was not in the smoker. It was a single 60" tube (1" dia), fed with an end cap manifold, per your design, connected via flexible gas hose to a high pressure regulator. The regulator was directly attached to a 1/2 full, 20# propane tank.
    Ultimately, we will have two independent 60" tubes, fed each with their own drilled out end caps, per your design, and fed from a "T" connection from a single high pressure regulator. The regulator will be fed from a 20# propane tank. Each "T" will have its own flow control knobs.
    I appreciate your help in solving the yellow flame problem. Tomorrow, I will check to see if the regulator has a hole in the end. It is brand new, so I suspect it is correct. I did notice that we could turn up the gas flow, and the yellow flames would really shoot out of the saw cuts. I could also almost shut of the gas supply and notice that the flames on the far end of the tube would extinguish, but almost think that the near end flames looked bluish. We tried covering up the 4 - 1/4 inch holes on the end cap, and noticed no difference in the yellow flames.
    I purchased a 30" black pipe (1" dia) today and a couple more end caps. So I can experiment per your suggestions, and closer to the length of your burner. Lookin' forward to the first smoke. Thanks Don

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