BP location

Discussion about Reverse Flow Smokers
smokincookie
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BP location

Postby smokincookie » October 12th, 2017, 9:54 pm

I’m really new and about to set out on the journey of my own build. I have a 120 gal propane tank my plans are to use only about 48 - 50” of it and to make it portable to the extent of using it at home and being able to load it on my utility trailer to use it at small functions. My first of many questions is how large or small of an opening do I leave at the opposite end from the FB? Thanks for all the help I see myself getting.



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Big T
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Re: BP location

Postby Big T » October 12th, 2017, 11:10 pm

The BP opening is no larger than the throat (opening from FB to CC) but can be up to 25% smaller than the throat. I make it the same as the throat and I've never had any issues.


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smokincookie
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Re: BP location

Postby smokincookie » October 13th, 2017, 12:56 am

Thanks Big T! See I’m already getting smarter just by being here and listening! Thanks Man



smokincookie
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Re: BP location

Postby smokincookie » October 23rd, 2017, 8:16 am

Yet another question strikes my mind. When I strap the CC door should I mount the hinges allowing for the seal and just work to the hinges and between them ? I don’t want to do this wrong and have messed up and wished I had done something different.



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Re: BP location

Postby Big T » October 23rd, 2017, 4:39 pm

You can strap the door and make sure the it doesn't warp before you weld the hinges on. That way you can straighten it if you need to before welding the hinges. You'll need to space the door half the thickness of the gasket that you plan to use so the door doesn't bind up and tear the gaskets off.


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Re: BP location

Postby Rodcrafter » October 23rd, 2017, 5:19 pm

There you go!


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Re: BP location

Postby smokincookie » October 23rd, 2017, 9:14 pm

Thanks again Big T. I have been thinking how will the door open I have bullet hinges and if the top is strapped will it not open? I told y’all I was new at this.



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Re: BP location

Postby Big T » October 23rd, 2017, 9:48 pm

You can weld one tab on the bullet hinge to the strap and the other tab to the tank. You may have to put a spacer on the tank depending on how thick your strap is. I'll try to attach a link to a picture that should help you out, if it works.download/file.php?id=23071&mode=view


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smokincookie
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Re: BP location

Postby smokincookie » October 24th, 2017, 6:55 am

And again you have settled my thoughts Thanks again Big T



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Re: BP location

Postby smokincookie » October 24th, 2017, 7:04 am

Now let me ask this, if I use 1/8” strap and plan to gasket the door should I use a 1/4” spacer for the hinge and space the door with temporary 1/8” spacers?



smokincookie
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Re: BP location

Postby smokincookie » October 24th, 2017, 3:58 pm

After seeing it written down I think I can answer this one and Big T already has, whatever thickness the door straps are yet the same size spacer if the temporary spacers are in place under the door it should fit right. Ok?



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Re: BP location

Postby Big T » October 24th, 2017, 8:53 pm

It doesn't really matter how thick that the strap is, just how thick your gaskets are. I normally use 3/8'' or 1/2'' fiberglass rope gasket so what you would do is get your door strapped and fitted to the tank the best that you can. Then say you're using 1/2'' gasket, lay the door in place on the tank, put a few 1/4'' thick spacers around the door between the door strap and tank. Then you would weld on your hinges to the door and the tank, you may need a spacer between the hinge and tank but you might not. There's also the Gizmo method were you would get your door strapped and fitted to the tank, glue the gasket to the inside of the door strap(use high temp RTV) and allow it to dry. Then lay the door in place and take a couple of ratchet straps and go around the door and tank, gently snug them down and weld your hinges in place and as Gizmo would say, there you have it, clear as mud.


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smokincookie
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Re: BP location

Postby smokincookie » October 25th, 2017, 5:15 am

Okee dokee thanks



smokincookie
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Re: BP location

Postby smokincookie » November 7th, 2017, 7:19 pm

And yet another question, I have yet to cut the ends from the tank but plan to this week my question is when I do should I in some way brace it from the inside or will it be ok and keep it’s shape? It will only be 46” long and then the BP and ends.



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Re: BP location

Postby Big T » November 7th, 2017, 7:41 pm

I have never had one distort from cutting the ends off so I don't think it's necessary. The door will probably spring a little when you cut it and I have seen the long sides of the door cuts warp some. I wouldn't cut the door all at one time, I usually leave the corners and a couple of half inch spots uncut and allow the tank to cool over night. It doesn't guarantee that it won't warp but it certainly doesn't hurt anything. Just remember that it's metal so if something doesn't go as planned it can be repaired with a little heating, beating, cutting and welding so don't get too stressed over any of the process.


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Re: BP location

Postby smokincookie » November 8th, 2017, 8:01 am

Thanks again Big T



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Re: BP location

Postby Rodcrafter » November 8th, 2017, 3:18 pm

:yth:


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smokincookie
has a junk pile that will one day smoke LOTS of BBQ
has a junk pile that will one day smoke LOTS of BBQ
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Re: BP location

Postby smokincookie » November 9th, 2017, 9:08 pm

I was able to get the ends cut off and to my dismay the wall thickness is 3/16” and not 1/4 as I had assumed, is this going to be a problem? After all the planning I certainly hope it won’t be.


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Re: BP location

Postby Big T » November 9th, 2017, 10:14 pm

You can get by with 3/16'' for the CC but you need 1/4'' minimum for the FB.


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smokincookie
has a junk pile that will one day smoke LOTS of BBQ
has a junk pile that will one day smoke LOTS of BBQ
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Re: BP location

Postby smokincookie » November 9th, 2017, 10:17 pm

1/4” for fire box is no problem I have already ordered all the supplies for the remainder in 1/4” so that’s good. Thanks again



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Re: BP location

Postby Big T » November 9th, 2017, 11:14 pm

:beer:


Measure Twice.....Cut Three Times.

smokincookie
has a junk pile that will one day smoke LOTS of BBQ
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Re: BP location

Postby smokincookie » November 10th, 2017, 4:12 pm

My mistake the CC is 1/4” it was late and I’m just getting older too LOL I got the LP fittings removed and all the holes patched, now I have to wait on the rest of the parts to come. I need to figure out how to add pictures to the post cause “ no pictures it ain’t real” ImageImageImage


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Re: BP location

Postby Big T » November 10th, 2017, 7:55 pm

Well it looks like you've got it figured out! You might want to put some shoes on before the sparks start flying..lol
:LG:


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smokincookie
has a junk pile that will one day smoke LOTS of BBQ
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Re: BP location

Postby smokincookie » November 10th, 2017, 7:59 pm

You know us Florida boys are tough :bigfoot:



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Re: BP location

Postby Rodcrafter » November 11th, 2017, 10:13 am

I wear shoes when cutting and welding. I guess the Texan is showing.


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