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Just Finished My New Build

 
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Brian Oatway



Joined: 23 Jun 2017
Posts: 8

PostPosted: Thu Aug 24 17 2:27 am    Post subject: Just Finished My New Build Reply with quote

I've been lurking around here for some time gathering information and ideas for my new BBQ. I've been working on the build all spring/summer and just wrapped it up to the point I can use it last week. First run of 20 racks of spare ribs was on Saturday.

It is 8.5' x 3' with a 36x36x30 insulated fire box centered in the rear and is reverse flow (double reverse flow maybe?).

I was very happy with how it performed, temps even within 7 or 8 degrees across all the lower racks. (I used water trays to keep the temps in the middle down a little bit).

I was also happy with the amount of fuel it used. 4 bags of kingsford for a 1 hour warmup and 6 hour cook plus a few small splits on top.

The only real issue is that the insulated fire box door warps ALOT when hot, so much so I needed to use a big bar clamp to keep it closed. It warps about 3/4", funny thing is it goes right back to dead straight when cool.



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brutus1964
BBQ Pro


Joined: 01 Apr 2014
Posts: 509
Location: Pinson, Tn.

PostPosted: Thu Aug 24 17 7:50 am    Post subject: Reply with quote

That's a good looking smoker.
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k.a.m.
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Joined: 12 Dec 2007
Posts: 25975
Location: Southeast Texas.

PostPosted: Sun Aug 27 17 8:19 pm    Post subject: Reply with quote

Awesomw looking build Brian. Very Happy
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Brian Oatway



Joined: 23 Jun 2017
Posts: 8

PostPosted: Mon Aug 28 17 10:50 pm    Post subject: Reply with quote

Thanks all

I have used it a few times now and it seems to be working pretty well. The fire box door still warps, I am going to try welding some big pieces of angle to the inside and see if that helps but I'm thinking the real solution is going to be replace the door with something that is not insulated and only and single layer thick. The doors weighs well over 200lbs so it's not something I'm looking forward to scrapping.

The cooking chamber doors have also moved a little bit, I now have small 1/8" gaps at the bottoms, I don't see any smoke escaping there but I will need to tweak them a bit.

I still have some thinks I need to finish like a shelf on the outside along the front and some other niceties on the trailer but I'm just enjoying using it for now.
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EightySecond



Joined: 19 Sep 2013
Posts: 17

PostPosted: Wed Aug 30 17 11:51 pm    Post subject: Reply with quote

Love those chain handles, looks awesome. Well done.
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Brian Oatway



Joined: 23 Jun 2017
Posts: 8

PostPosted: Fri Sep 01 17 12:22 am    Post subject: Reply with quote

EightySecond wrote:
Love those chain handles, looks awesome. Well done.


I'm pretty sure I saw chain handles on here and got the inspiration. I was worried about them not staying cool enough but they are barely warm.
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Ben17



Joined: 04 Sep 2017
Posts: 5

PostPosted: Tue Sep 05 17 2:51 am    Post subject: Reply with quote

I am working on a similar build, and I was wondering if you would share how you set up the inside. I am trying to figure out how I will get the heat distribution I am looking for.

Ben
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Brian Oatway



Joined: 23 Jun 2017
Posts: 8

PostPosted: Wed Sep 06 17 12:07 am    Post subject: Reply with quote

Ben17 wrote:
I am working on a similar build, and I was wondering if you would share how you set up the inside. I am trying to figure out how I will get the heat distribution I am looking for.

Ben


I have a reverse flow plate that is about 6" below the lower cooking level. The plate is pitched to the center of the cooking chamber with a grease drain in the middle.




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Ben17



Joined: 04 Sep 2017
Posts: 5

PostPosted: Wed Sep 06 17 9:03 am    Post subject: Reply with quote

Perfect! Thank you!
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baconX



Joined: 18 Apr 2017
Posts: 16

PostPosted: Thu Nov 02 17 12:57 pm    Post subject: Reply with quote

That is one nice smoker! Well done
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Pit Boss
BBQ Super Pro


Joined: 04 Sep 2008
Posts: 2288
Location: Mt. Pleasant, South Carolina

PostPosted: Fri Nov 03 17 3:57 am    Post subject: Reply with quote

Looks great.

Show us that firebox door and explain the warp.
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BurnBern
BBQ Fan


Joined: 17 Jul 2015
Posts: 147
Location: UK

PostPosted: Sat Nov 04 17 8:38 am    Post subject: Reply with quote

Really awesome smoker. Well done.

I was wondering how you have your counter weight system set up as I’m looking for a set up for my smoker. Do you have any photos of your system set up.
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Netko



Joined: 11 Oct 2017
Posts: 4

PostPosted: Tue Nov 07 17 2:53 am    Post subject: Reply with quote

woow this looks great. Nice job. How much time did you spend to build this smoker?
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Brian Oatway



Joined: 23 Jun 2017
Posts: 8

PostPosted: Tue Nov 14 17 1:54 am    Post subject: Reply with quote

Pit Boss wrote:
Looks great.

Show us that firebox door and explain the warp.


Thanks Pit Boss

In this pic you can see the top door gap when it is cold:


and in this pic you can see the gap when hot and warped:


There is 3/8" to 1/2" warp across the width of the door. The door is double layer 1/4" plate with 2" of insulation. I think the inner plate is expanding much more than the outer causing the warp.

A pic of the door before the insulation and inner skin were added:


A pic of the door latches and open on the fire box:



I'm thinking of cutting it off and just going with a single layer door out of 3/8"

[/img]
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Brian Oatway



Joined: 23 Jun 2017
Posts: 8

PostPosted: Tue Nov 14 17 2:01 am    Post subject: Reply with quote

BurnBern wrote:
Really awesome smoker. Well done.

I was wondering how you have your counter weight system set up as I’m looking for a set up for my smoker. Do you have any photos of your system set up.


Thanks

This is the best pic of the counterweights I have:

But you can see the here too:


The counter weights on the smaller side doors are just traditional style. The center weight is a cast iron bean pot that is filled with about 80lbs of melted lead. It rides up and down on the rod that opens and closes the stack covers and is attached to the door with wire rope and pullies. It took a bunch of trial and error to get it worked out but it works well and is a little unique. The center door weighs about 100#.
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Brian Oatway



Joined: 23 Jun 2017
Posts: 8

PostPosted: Tue Nov 14 17 2:09 am    Post subject: Reply with quote

Netko wrote:
woow this looks great. Nice job. How much time did you spend to build this smoker?


I spent all of last summer in my driveway/garage working on it. I built the trailer too. If I had to guess I would say 250hours but that is just a guess.

I still have a few things I want to add to it. Storage bins on either side of the fire box, fold down steps to get up onto the trailer, a Santa Maria style charcoal grill on the front and a couple of big propane burners
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KMM
Newbie


Joined: 01 May 2016
Posts: 31

PostPosted: Tue Nov 14 17 10:36 am    Post subject: Reply with quote

Yeah, that door is going to be problematic without some love...in hindsight, you probably should have welded some cross bracing before insulating and closing it up. As a stop gap, you could try welding a couple strips of .25"x 2" A36 in a "x" pattern from corner to corner on the inside of the door. That might be enough to keep it from warping. Kevin may have a better solution, perhaps he will weigh-in.
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BurnBern
BBQ Fan


Joined: 17 Jul 2015
Posts: 147
Location: UK

PostPosted: Tue Nov 14 17 2:00 pm    Post subject: Reply with quote

Brian Oatway wrote:
BurnBern wrote:
Really awesome smoker. Well done.

I was wondering how you have your counter weight system set up as I’m looking for a set up for my smoker. Do you have any photos of your system set up.


Thanks

This is the best pic of the counterweights I have:

But you can see the here too:


The counter weights on the smaller side doors are just traditional style. The center weight is a cast iron bean pot that is filled with about 80lbs of melted lead. It rides up and down on the rod that opens and closes the stack covers and is attached to the door with wire rope and pullies. It took a bunch of trial and error to get it worked out but it works well and is a little unique. The center door weighs about 100#.

Thank you I especially like the way that you have a rod running through the pot to keep it centralised and steady. I’m going to use that idea on my counter weight that I’m busy with now. Thanks again and well done on your build.
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T00lman
BBQ Super Pro


Joined: 21 Dec 2007
Posts: 2468
Location: warren michigan

PostPosted: Wed Nov 15 17 3:58 am    Post subject: Reply with quote

WOW makes me realize that I should have payed better attention in shop class . awesome skills you have there !!
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