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2
Posted on 6/3/20 at 10:17 am to AlxTgr
I’d use charcoal to get a good coal bed then burn sticks. It’ll burn cleaner and taste better. Just my opinion. Nice work, though. That looks great! If you burn wood you’ll definitely wanna crack that door.
Posted on 6/3/20 at 10:24 am to pharmer
quote:I did this the last time. Worked well. Almost impossible to add already burning coal. Maybe should have made door on top.
I’d use charcoal to get a good coal bed then burn sticks.
Posted on 6/3/20 at 11:52 am to AlxTgr
I guess I misunderstood. Are you starting with a layer of charcoal, then burning sticks/chunks after that? I don’t understand the use of the fan and all that if so because you’d be running it like a stick burner.
This post was edited on 6/3/20 at 11:54 am
Posted on 6/3/20 at 2:06 pm to TH03
quote:I have done that, yes. Still messing with it to see how it runs best.
Are you starting with a layer of charcoal, then burning sticks/chunks after that?
quote:I don't know what a stick burner is. If no fan, no heat. The box is sealed. The fan gives me control over the temps and makes a spike nearly impossible. I will not have to baby sit the cooker as much as I did when it was in its original form.
I don’t understand the use of the fan and all that if so because you’d be running it like a stick burner.
This post was edited on 6/3/20 at 2:08 pm
Posted on 6/3/20 at 2:20 pm to AlxTgr
quote:
I don't know what a stick burner is
An offset smoker like this was originally. Burn wood in the firebox which feeds smoke into the cook chamber.
quote:
If no fan, no heat. The box is sealed. The fan gives me control over the temps and makes a spike nearly impossible.
So I imagine you don’t get enough air flow to burn wood cleanly. Is the fan the only air intake?
Posted on 6/3/20 at 2:43 pm to TH03
If that fan is your only source of air, I don't see how this thing will ever burn properly. You're forcing a ton of air through a very restrictive tube with an undersized exhaust in a bad location.
Posted on 6/3/20 at 2:59 pm to ruger35
quote:
If that fan is your only source of air
I think he mentioned that it is.
He also mentioned he is upgrading his fan to a higher capacity fan.
I have no clue about airflow volume through tubes but I agree seems that only so much will go through that tube unless the blower is extremely powerful.
I guess if he can run the smoker and control it between 225 and 275 it is working though huh?
Posted on 6/3/20 at 3:02 pm to SmokedBrisket2018
quote:
I guess if he can run the smoker and control it between 225 and 275 it is working though huh?
But essentially running like an oven if you can’t get enough airflow to completely combust the wood chunks.
That’s kind of the trade off between set and forget and a true offset smoker experience.
Posted on 6/3/20 at 3:54 pm to ruger35
quote:You and I and Biggerbear are never going to agree. You have a very restrictive view of these things. I mean, it's already working properly
If that fan is your only source of air, I don't see how this thing will ever burn properly. You're forcing a ton of air through a very restrictive tube with an undersized exhaust in a bad location.
The exhaust could not be in a better location, and the size has zero to do with anything. You're just wrong on that as Biggerbear pointed out.
Posted on 6/3/20 at 3:55 pm to TH03
quote:No, he's right. It's nowhere near an oven. LOTS of smoke can be produced.
But essentially running like an oven if you can’t get enough airflow to completely combust the wood chunks.
Posted on 6/3/20 at 4:03 pm to AlxTgr
quote:
LOTS of smoke can be produced.
But you don’t want lots of smoke. If airflow isn’t right, you get thick white smoke because the wood isn’t fully combusted. You need more oxygen to get the thin blue smoke.
Maybe I’m still just misunderstanding how this thing is working.
Posted on 6/3/20 at 4:17 pm to TH03
Lots of smoke isn't the point, clean smoke is the key. Exhaust size does matter because you are force feeding air into the chamber but not efficiently pulling it out. An efficient smoker only pulls in enough air for proper combustion at the desired temperature. As far as placement, for more even grate temperatures across the cooking chamber an exhaust at grate level is best.
All of the above points are also why 99.9% of reverse flow smokers have a 1/4" plate running the length of the chamber minus a foot or so.
All of the above points are also why 99.9% of reverse flow smokers have a 1/4" plate running the length of the chamber minus a foot or so.
Posted on 6/3/20 at 4:26 pm to TH03
quote:I just said can. You said oven. It was a response to that.
But you don’t want lots of smoke
quote:I think so.
Maybe I’m still just misunderstanding how this thing is working.
Posted on 6/3/20 at 4:29 pm to ruger35
quote:No, that's not how it works.
Exhaust size does matter because you are force feeding air into the chamber but not efficiently pulling it out
quote:I don't believe this changes much at all. Not enough to make any diference.
As far as placement, for more even grate temperatures across the cooking chamber an exhaust at grate level is best.
quote:That's done because it's the easiest way to do it.
All of the above points are also why 99.9% of reverse flow smokers have a 1/4" plate running the length of the chamber minus a foot or so.
Posted on 6/3/20 at 4:33 pm to AlxTgr
quote:
I don't believe this changes much at all. Not enough to make any diference.
Definitely makes a difference, I've owned and run both styles. Also why some pit builders build "collector boxes" to pull from the width of the grate.
quote:
That's done because it's the easiest way to do it.
Not because it's the easiest, because it actually makes smoke go from one end to the other. Also allows for a heat sink so to speak across the cooking chamber.
quote:
No, that's not how it works.
It is how that works, exhaust height and size all affect the draft through the smoker.
Posted on 6/3/20 at 5:24 pm to ruger35
quote:As this does.
because it actually makes smoke go from one end to the other.
quote:No, it simply doesn't. A larger exhaust cannot change the size of the tubing leaving the firebox.
It is how that works, exhaust height and size all affect the draft through the smoker.
Look, I have a suggestion. Next smoker you build? Don't do it the way we did
Posted on 6/3/20 at 5:34 pm to AlxTgr
quote:
Look, I have a suggestion. Next smoker you build? Don't do it the way we did ?
No problems there, I just bought my last smoker for a while. I wouldn't even attempt to build one, I'll stick to cooking and fishing and let other people experiment with that road. I've dedicated my miter saw as a firewood saw cause I swear the saw can't cut two pieces of wood the same size to save its life. Definitely the saw.
Posted on 6/3/20 at 5:45 pm to AlxTgr
quote:
No, it simply doesn't. A larger exhaust cannot change the size of the tubing leaving the firebox.
It’ll affect the draw though.
Posted on 6/4/20 at 7:49 am to TH03
Only if smaller than the first tube, which it's not.
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