Square RF

FATNECK · Post by **FATNECK** » July 24th, 2015, 7:06 am

It's time for another build. Looking for a smaller backyard RF. I have been look at Clover Ridge square RF for some time now. My big smoker is nice but looking for something that's going to burn a little less fuel. I have start on a 48l x 24w x24d square smoker. Those sizes are base off of a firebox that I already have. It's 30l x 18w x 18d. Just wanted the crew to double check my measurements that I ran thru the BBQ calculator.

Cooking chamber-48l x 24w x24h
Firebox- 30l x 18w x18h
Throat size- calls for 77.76in2. I made it @ 78in2(3.5h x 24l)
Baffle plate- 1" above throat opening@4.5"
Gap on other side of baffle plate- 3.5" to 4"
Chimney size- 6" pipe at 17.25". Could change to 8" pipe to short stack a little bit
Baffle plate to top of first grate-@4"

Clover Ridge Smokers · Post by **Clover Ridge Smokers** » July 24th, 2015, 9:49 am

Those are similar to my cals

FATNECK · Post by **FATNECK** » July 24th, 2015, 6:26 pm

I like the look of the square RF smokers. Hopefully I can get the doors and racks built this weekend.

forty_creek · Post by **forty_creek** » July 24th, 2015, 8:35 pm

I think you are on a great path!!! I wished I would have found this site a lil sooner before I had my mind set on and had in hand a 500 gallon propane tank. I would have went square! One day I will build a MACK/CRS version patio RF.
Good luck!

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Post by **Rodcrafter** » July 25th, 2015, 9:53 am

FC you're gonna like the one you're building now so much it will be a while before you find the time to build another.

Making memories.

forty_creek · Post by **forty_creek** » July 25th, 2015, 11:53 am

Very true RC! Finding time

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Post by **Rodcrafter** » July 26th, 2015, 7:44 am

I say that because you are gonna spend your time. Learning and playing with this cooker.

Making memories.

forty_creek · Post by **forty_creek** » July 26th, 2015, 10:12 am

[THUMBS UP SIGN]

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FATNECK · Post by **FATNECK** » July 26th, 2015, 4:22 pm

Quick update. After a few days, the cooking chamber is welded. The door frame, baffle plate, racks and chimney are fine also. I didn't have any 6" pipe do I used 5" instead. It made the stack @25" vs 17.5". I drop stack down 4" on side of CC to give me 21" in the air. Hopefully I'll have doors and firebox attached this week. Once I figure how to resize photos, I'll post some later. Time to grab a nice cold one.

Post by **Rodcrafter** » July 26th, 2015, 8:20 pm

Just so you know only the portion of the stack on the outside of the CC is what counts. 5" is fine, but I wouldn't shorten it.

jm2cw

Making memories.

FATNECK · Post by **FATNECK** » July 26th, 2015, 8:44 pm

Rodcrafter- as long as I have a total of 25" for the exhaust than I should be fine. I notched the CC to take half of the pipe and went down 4" on CC. That gives me 21" above CC. Reason for dropping pipe into side of CC, I have a door on garage that I need to fit thru. Total height of smoker will be @ 82".

forty_creek · Post by **forty_creek** » July 26th, 2015, 11:59 pm

I think Puff and Gizmo have made removable exhaust...
I think what RC is referring to by not shortening it is that if you go 5" instead of 6" recalculate your exhaust height. Smaller diameter will add height. From reading your post I think you did this. We are just trying to help if we can

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FATNECK · Post by **FATNECK** » July 27th, 2015, 4:19 am

I ran numbers thru BBQ calculator and the height went up almost 7.5". With 6" pipe the height was @17.25" and with 5" pipe it is 24.76" so I made it 25".

Post by **Rodcrafter** » July 27th, 2015, 11:19 am

Like FC said we are only trying to help. I think I see what you mean now. I first thought you counted a portion that went down inside the CC. I've made the stack removable too. I did it so I could cover it with a grill cover.

Making memories.

Clover Ridge Smokers · Post by **Clover Ridge Smokers** » July 27th, 2015, 7:14 pm

The calculation from the pit calculator is for the portion of the stack that is external to the CC. Any part of stack that is internal to the CC is not counted. If you make the stack too short, you more than likely will have issues with your cooker. Since you have a limitation due to a garage door, go to a larger stack size to keep the stack height shorter.

FATNECK · Post by **FATNECK** » July 27th, 2015, 8:07 pm

Thanks for everyone's input with the stack. Hopefully I can upload somes pictures. From the top of CC, my stack is 21" and from the side it's 25". The calculator states I need @25" for 5" pipe. Would I need to add 4" to stack?

FATNECK · Post by **FATNECK** » July 27th, 2015, 8:19 pm

More pics

forty_creek · Post by **forty_creek** » July 27th, 2015, 11:02 pm

I think you will be fine the way you got it

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FATNECK · Post by **FATNECK** » July 28th, 2015, 8:53 pm

Thanks Forty. I'll keep posting pics along the way.

Post by **Rodcrafter** » July 28th, 2015, 9:15 pm

One thing about it you could always set a collar adding 4" on top of the stack and see if it makes it run smoother. If nothing else but a test.

jm2cw

Making memories.

forty_creek · Post by **forty_creek** » July 28th, 2015, 9:34 pm

FATNECK I misread your post. If the calculator says 25 I would stay close to it. 4"s is 16% shy of the recommended. Try RCs idea! He's clever thataway

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FATNECK · Post by **FATNECK** » July 29th, 2015, 1:38 pm

I'll add 4" to stack. I'm thinking about doing something that is removable. I'll might try to play with it this weekend. Worst case scenario is that I'll weld 4" to stack and shorten the stand by 4" to keep me at my height.

forty_creek · Post by **forty_creek** » July 29th, 2015, 2:21 pm

There ya go!

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FATNECK · Post by **FATNECK** » August 16th, 2015, 9:01 pm

Just wanted to post an update. Work had me busy for the last couple of weeks but I was able to get a few things done this weekend. I took Rodcrafter advice and made a sleeve for the stack. I made the frame for my cart. I was able to finish the doors for cook chamber and attached the firebox. Hopefully in the next week or so I'll be ready for blasting and painting. Trying to have this ready for Labor Day.

Puff · Post by **Puff** » August 16th, 2015, 9:36 pm

Fatneck, I don't know how I missed your posts...I really enjoy watching builds come together....possibly because I was unable to log in for a few weeks. Did you ever get to make your removable stack?. Gizmo told me to use the same stack tube...make it 6" long but cut out a strip of material out of it and weld it back together using larger hose clamps to squeeze it back together. Once you are happy with the ease of the fit, weld it up and smooth out the welded stripe . It has been great for me as I keep the stack height to near nothing for trailering or lower overhead doors.

Allow a bit extra for heat expansion....there is no leakage or dripping and mine slides on and off easily

After looking at the shop in you photo, this is easily something you have probably done before many times

SmokerBuilder.com

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