Initial sketch

Chriz · Post by **Chriz** » March 13th, 2021, 7:44 am

Step 1…….make a skectch….[emoji3514]

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dacolson · Post by **dacolson** » March 13th, 2021, 11:10 am

What CAD program are you using? LOL. Looks great. You gonna CNC cut that maple leaf and signature?

Chriz · Post by **Chriz** » March 13th, 2021, 12:55 pm

Hahaha, I’ll give this to my metal worker neighbour. He’s converting to something proffesional[emoji56]

I plan on looking for a laser cutter that can do this.
Gotta brand it[emoji1377]

dacolson · Post by **dacolson** » March 13th, 2021, 1:05 pm

Agreed for sure. This is mine:

Just mocked up for now but I’ll mount it on 1/4” standoffs.

Chriz · Post by **Chriz** » March 13th, 2021, 1:08 pm

That looks cool!

Dirtytires · Post by **Dirtytires** » March 13th, 2021, 1:45 pm

Raise the exhaust (better airflow), eliminate the firebox grill (hard to seal/control fire), and consider not using a grease drain (looks pretty but completely unnecessary). The round inside square firebox seems overly complicated but no reason it won’t work. I like my air intakes on the sides and that design pretty much forces you to cut them into the door.

Just my thoughts.....

Chriz · Post by **Chriz** » March 13th, 2021, 2:04 pm

Thanks for the input.
So the exhaust not on grate level?

Dirtytires · Post by **Dirtytires** » March 13th, 2021, 6:22 pm

My experience with low mounted exaust is that it tends to trap the air in the top of the smoker. This disrupts airflow, causing the smoke to drop more creosote and particles on the meat which alters its taste. I’ve had both and my overall taste and pit operation improved greatly when I moved to a top mounted exaust.

To each their own....just my experience.

tinspark · Post by **tinspark** » March 14th, 2021, 1:55 am

There is something to be said about a good hand sketch. I have done field sketches at work to work through field problems at work for our (3) in house mechanical engineers and a couple of full time draftsmen, and a few of them couldn't do a legible hand sketch if their life depended on it. Something to be said about a decent hand drawing. Not sure if schools even teach drafting anymore. It was part of apprenticeships years ago. Now it has all shifted to CADD. Both definitely have their place, but a good, legible hand sketch seems to be a dying art.

Chriz · Post by **Chriz** » March 14th, 2021, 2:07 am

The pro has made a start.

tinspark · Post by **tinspark** » March 14th, 2021, 2:27 am

I like the tapering log rack. Dave makes a really nice one. It self feeds itself into a channel.
Also, You might think about raising it and your door a few inches though. That way you can get air under your log rack, which will support combustion better. Also place your FB inlets at or a little below your log rack that way air drafts through your inferno..
Nice work. Big T preaches this and I am a believer!!! haah ha!..

Chriz · Post by **Chriz** » March 14th, 2021, 2:45 am

Thanks, in another thread someone hinted me to the following.

I really like that idea.

Post by **Pete Mazz** » March 14th, 2021, 4:15 am

That's a pic of Lou Ann. Only thing I don't like about it is clean up time for ash.

Chriz · Post by **Chriz** » March 14th, 2021, 4:29 am

Yeah that’s on my mind as well.
Thinking of a solution, any ideas?
Or maybe as simple as putting a hinge on it so you can open the bottom part. Should leave room to get a rod and sweep it out.

tinspark · Post by **tinspark** » March 14th, 2021, 6:01 am

Chriz wrote: ↑
March 14th, 2021, 4:29 am
Yeah that’s on my mind as well.
Thinking of a solution, any ideas?
Or maybe as simple as putting a hinge on it so you can open the bottom part. Should leave room to get a rod and sweep it out.

Some guys put an ash pan underneath that slides or lifts out. Also Instead of a hinge, you could set up a pan/ drawer pull type setup.
It may lock up if stuff falls through the expanded metal tho. I like using a simple log rack and an ash pan underneath the rack. Pull out the rack, then pull the pan after it cools and dump in the trash can... easy-peasy..Best setup ever...IMO!

Dirtytires · Post by **Dirtytires** » March 14th, 2021, 11:30 am

I put a full width ash drawer under my wood basket. I can empty by just pulling it out and don’t need to open the main firebox door or remove the basket. I just bump the basket a few times to knock the remains ash thru, then pull out the drawer and dump it.

However, this type of an ash pan will not work with a round bottom firebox.

dacolson · Post by **dacolson** » March 14th, 2021, 11:39 am

With the round FB, the ash pan isn’t that big of a deal. It the bottom of your door is flush with the bottom of the FB, you just scoop the ash out. Isolating airflow below the wood grate will be tricky though. And venting with an insulated FB makes it even harder. I’ve got an idea about doing my usual side vents and using rectangular tubing to go through the insulation from the outer box to the pipe on the inside. Then framing out some plate like the bottom of LuoAnne across the bottom of the pipe. Then leave the front open with the door opening down to the bottom of the pipe, exposing the ash below. If I could draw as nice as Tinspark I’d sketch it out.

dacolson · Post by **dacolson** » March 14th, 2021, 11:45 am

Note sure it this illustrates it well but here goes:

The rectangular tubing would go from the vents to the pipe. Then drop a plate in on either side of the pipe horizontally at the height of the bottom of the log rack to direct air through the bottom of the fire.

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Chriz · Post by **Chriz** » March 14th, 2021, 12:54 pm

Not sure I get the tubing.

I’m also going to try and sketch it….[emoji85]

The front comes down so you can sweep out the ash.

And ofcourse a door would be put on, but to save myself the effort I left it out of the drawing.

Kcd2016 · Post by **Kcd2016** » March 24th, 2021, 10:04 am

That's a whole lot of inlets!! Be sure to check the calculators, you won't need but just a few of those.

I like your hinge idea. I'd consider an ash pan that slides in and out instead of having to sweep it out.

SmokerBuilder.com

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