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The calculator says your recommended half moon throat diameter is 8.69. Your quadrant dimension needs to be half that, 4.35. A half moon is half of a circle. The half moon area of a 8.69 diamter circle is 30.13 sq inches. My half moon has a overall larger diameter than 8.69, it's 14.25 at the top o...

Looking at the numbers in the smokerbuilder pitcalc, you have a slightly undersized FB at 98%. The throat comes out around the same at 30insq, the height is correct around 3in but check the top width of the half moon which should be 14.4in. It could be down to fire management - are you getting thic...

Looking at the numbers in the smokerbuilder pitcalc, you have a slightly undersized FB at 98%. The throat comes out around the same at 30insq, the height is correct around 3in but check the top width of the half moon which should be 14.4in. It could be down to fire management - are you getting thic...

Link to BBQ Pit Calculator

cooking chamber is 19.625 x 36
Firebox is 16x14.25x16.25
Smokestack is 2.8 x 33
the area of the throat is: 30.2. Half moon up 3.0625 from quadrant.

hogaboomer wrote: ↑

November 2nd, 2021, 7:39 pm

You need to post all your dimensions. That throat looks awful small.

I have drawings at work. I'm sure I just went with the throat calculator found online.

The pipe is 2.8" inner diameter. Its 33" tall.


Link to BBQ Pit Calculator

hogaboomer wrote: ↑

November 2nd, 2021, 6:35 pm

Gotta be the stack damper, most guys say to leave it wide open. Control your temps with the firebox vents and the size of the fire.

My stack doesn't have a damper. I'm beginning to wonder if it's too small/restrictive.

I have a reverse flow that I built using help from here. I've been struggling with the food color. I cooked a couple butts the other day and there is this charcoal/soot like appearance to it. It rubs off on my hands and it's black. Doesn't taste odd though. It's looks like, to me, if the flames in t...

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https://youtu.be/g6KjpXlfvY8

Not sure why the forum rotates my pics?

20200411_173452.jpg Thanks! I burned it out yesterday with my fire grate in. I saw a video of someone suggesting not using a fire grate and burning right on bottom of FB. His reasoning was the coals do not fall through grate. That didnt work for me. I put the grate back in today and now look. Nice ...

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Just started my build based on this design! Thank you so much for posting this!

I'm putting the bottom rack right at bottom door height. I've got just under 11" from there to the top of the smoker. Do I want more room between top rack and top of smoker? Or more room from bottom rack to top rack? See attached.

https://lh3.googleusercontent.com/PDSxKMrSuvzM6V-jHTC0c7hEYAqGCxlGrJSF_54tt4fXR1uC9Lr3vF9coSe5CaghZOQi2r2lTqvy0suwJyRWlEYV4JdOUzcWUtq1Xrvr8uLl3ng1NuAcGruWfI1m30B5H0Wd1eLgR44MaXImk8BDDCMuQsjF7LVoEd9kyc9-YFskjCSAiQ4tAjCQSzv2cELmPNkluxPbRvwoXPDf9eo6KPpgd9zWpayXf1Hc8miFCwwNFw1ZxQfDvS0a_mmPpYu35hoAg8aTU...

I've seen the bottom rack level with the mid point of the smoke chamber with slide out. I've also seen the bottom rack below the door and split in 2 racks for removal. And only the top rack could slide out as it was also narrower. I've seen the doors start below top center a few inches and go below ...

Here is the link to my build. https://dl.dropbox.com/s/ms3tmqwfd4i16zp/complete.jpg?dl=0 https://smokerbuilder.com/forums/viewtopic.php?f=11&t=4675 I spent the last 2 hours updating all the picture links since Dropbox decided to kill direct links a couple years ago. As for size, I have always felt ...