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Q-talk *ON TOPIC ONLY* QUALITY ON TOPIC discussion of Backyard BBQ, grilling, Equipment and just outdoor cookin' in general, hints, tips, tricks & techniques, success, failures... but stay on topic. And watch for that hijacking.


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Unread 10-31-2012, 11:09 AM   #16
mistertom
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Quote:
Originally Posted by mbshop View Post
i'm a bit confused by yer design. but the chips you are using are to long thus allowing them to jam against the sidewall of the smoker. just make the chips or shredded pices not as long and it should be ok.
here is some basic designs,
http://www.wedlinydomowe.com/smokeho...moke-generator
Which part is confusing? I think if I only use the chipper instead of the shredder the chips will be more uniform and smaller.
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Unread 10-31-2012, 11:14 AM   #17
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Quote:
Originally Posted by mbshop View Post
i'm a bit confused by yer design. but the chips you are using are to long thus allowing them to jam against the sidewall of the smoker. just make the chips or shredded pices not as long and it should be ok.
here is some basic designs,
http://www.wedlinydomowe.com/smokeho...moke-generator

I did look at that information prior to making it. That is mainly where I got the idea from. It is essentially the low nozzle smoke generator design with the addition of the slanted bottom. I had the idea that the slanted floor would allow the ash to fall out. That remains to be seen! Thanks for taking the time to help me out!
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Unread 10-31-2012, 11:18 AM   #18
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Originally Posted by woodpelletsmoker View Post
There is a very simple method to make your smoke generator workable
Thank you for your input. Could you elaborate on the method please?
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Unread 10-31-2012, 12:23 PM   #19
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I also think you may want to delete the 90 deg elbow and direct your air flow straight through the tee into the smoker causing a venturi effect.
Or perhaps I am looking at this wrong.
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Unread 10-31-2012, 12:27 PM   #20
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I just looked at it again and I think you just need to reposition the tee so that is perpendicular to the generator and inject air straight though the tee and lose the 90
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Unread 10-31-2012, 02:14 PM   #21
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Originally Posted by Q Junkie View Post
I also think you may want to delete the 90 deg elbow and direct your air flow straight through the tee into the smoker causing a venturi effect.
Or perhaps I am looking at this wrong.
I was not planning on using the elbow at all. I needed to get another nipple after the T, but all I had on-hand for my test was the 90. The venturi still worked. There was a noticeable difference with the air pump off, however the elbow would certainly present resistance to flow.

Sorry it looks misleading. I just needed something to pass the the blowpipe to make the venturi work.
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Unread 11-01-2012, 10:37 PM   #22
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I tried with pellets and it seemed to smoke for a couple of hours without any trouble before I closed the air vent. Thanks!
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Unread 11-02-2012, 03:29 AM   #23
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Sweet! I have had great runs (gravity fed and air through the top) with pellets and chips but found that mixing in dust causes it to need a tap every now and then.
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Unread 11-04-2012, 10:20 AM   #24
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I think that I will move the venturi/ smoke outlet to the top for sure. It still seems to get a cemented mass of char just above above the outlet. In all of my previous hot smokers my wood (maple) has burned completely to a white ash. I was hoping to use this for cold smoke only. Without an external source of heat/combustion it seems that the pellets only char and do not burn completely.

Dr KY, was that your experience? Or do your pellets combust completely?
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Unread 11-04-2012, 10:58 AM   #25
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For a better pellet burn I suggest raising the flame above the intake with some kind of screen, and make sure you have room for ash to fall below that level. I also like the air being blown from the top into the cooker with the air pump. 86 the wood chips, just to ruff for what you are doing. In order to keep ash from blocking airflow you may need to give the side a rap or two now and then, to let ash drop away. Also suggest not filling it to much and adding if need be.
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Unread 11-04-2012, 04:48 PM   #26
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Quote:
Originally Posted by mistertom View Post
Thank you for your input. Could you elaborate on the method please?
Find a small tube, say 2" in diameter, drill holes in the tube.
Insert the perforated tube inside the center of chips.
Positive blow from bottom.
light chips on top.
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Unread 11-04-2012, 09:13 PM   #27
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Quote:
Originally Posted by woodpelletsmoker View Post
Find a small tube, say 2" in diameter, drill holes in the tube.
Insert the perforated tube inside the center of chips.
Positive blow from bottom.
light chips on top.
That is a very interesting idea. With this method do you place your outlet at the top or bottom of the hopper?
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Unread 11-04-2012, 09:45 PM   #28
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Quote:
Originally Posted by mistertom View Post
That is a very interesting idea. With this method do you place your outlet at the top or bottom of the hopper?
Blow from bottom. Outlet must be on top
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Unread 11-05-2012, 01:58 AM   #29
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Quote:
Originally Posted by mistertom View Post
I think that I will move the venturi/ smoke outlet to the top for sure. It still seems to get a cemented mass of char just above above the outlet. In all of my previous hot smokers my wood (maple) has burned completely to a white ash. I was hoping to use this for cold smoke only. Without an external source of heat/combustion it seems that the pellets only char and do not burn completely.

Dr KY, was that your experience? Or do your pellets combust completely?
I agree with Mo-Dave and do much the same. I ran a mixture of pellets and chips and do tend to get a bit of resin inside only if the air is at too high a pressure. Haven't had any problems with bridging or masses though. I truly believe that blowing from the top works out best and keeps the design simple. In the past I did the bottom thing but had more issues.
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Unread 11-07-2012, 02:01 PM   #30
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Thanks to all for the input. I now have some proven ideas to work with. I appreciate it!
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