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-   -   Uds runs hot tried everything HELP (http://www.bbq-brethren.com/forum/showthread.php?t=128850)

powerhouse2 03-22-2012 07:11 PM

Uds runs hot tried everything HELP
 
I have only about 40hrs on my uds, but every time it likes to run at 300 I have used rtv on all fittings I only start with 8 Briquettes on lump I have no sealant on the lid yet but fits tight. so my question is what's my next step should I

shorten my 12 in smokestack to reduce draft

seal the lid

try different charcoal iv been using cowboy I know it sucks but I had a big bag

I have been putting a beer can over the stack with a hole in it with valves closed and it will hold 250 how can I fix this? thanks

N8man 03-22-2012 07:18 PM

Definitely need different charcoal for sure...

Boshizzle 03-22-2012 07:22 PM

300 ain't so bad for BBQ. But, I'd probably just use fewer lit coals.

LostArrow 03-22-2012 07:26 PM

Too hot means too much air flow.
Briquittes may help

SirPorkaLot 03-22-2012 07:30 PM

1. Ditch the lump. Go to briquettes.
2. You should be able to control 99% of your airflow with exhaust wide open (intakes closed should shut it down)
3. Start with 6 lit briquettes

CarolinaQue 03-22-2012 07:33 PM

Quote:

Originally Posted by SirPorkaLot (Post 1989161)
1. Ditch the lump. Go to briquettes.
2. You should be able to control 99% of your airflow with exhaust wide open (intakes closed should shut it down)
3. Start with 6 lit briquettes

^^^What he said^^^

If it's still running hot with briquettes, then you have an air leak some where.

retired trucker 03-22-2012 07:39 PM

Are your intakes air tight? If you can not shut all intake air coming into the drum, then you can not control the rate of burn. The exhaust is not your culprit. Does your lid fit tight? What type of lid do you have on it? It should fit with a fairly tight fit also. How many intake's do you have, and are they able to be caped or shut off?

landarc 03-22-2012 07:43 PM

I found that I have good success with briquettes, terrible battle with lump, any lump, unless I run the smoke from one edge to the other, but, that can cause burm time issues. My lid fits better with a layer of grease on the rim, actually, it fits really well with that rim of smoky grease.

powerhouse2 03-22-2012 08:12 PM

I have 3 intakes 3/4 with high temp rtv around them. if I put a rag in the stack it goes out quickly so I can't have to much air coming in at the lid? maybe I should just try dif charcoal first.

powerhouse2 03-22-2012 08:16 PM

Quote:

Originally Posted by retired trucker (Post 1989167)
Are your intakes air tight? If you can not shut all intake air coming into the drum, then you can not control the rate of burn. The exhaust is not your culprit. Does your lid fit tight? What type of lid do you have on it? It should fit with a fairly tight fit also. How many intake's do you have, and are they able to be caped or shut off?

I have a lid with a 2in bung, I can cap all intakes I with valve.

BigBobBQ 03-22-2012 08:22 PM

powerhouse to check and see if it is the lid that is leaking just take some aluminum foil and fold it up into strips and fold it longways over the top edge of the drum and it will seal it up for a test. Also try swapping to briquettes and see if that helps.

JMSetzler 03-22-2012 08:25 PM

I have never tried lump in my UDS, but I also have a 12x2" stack on mine and I never tamper with it. I have three 3/4" air intake holes on the bottom of mine and two of them are ball-valve controlled. Your air flow is simply a little too high. You need to control your temperature with the intake rather than the exhaust on the drum. The draft created by the stack will still be limited by how much air is allowed in at the bottom.

Boshizzle 03-22-2012 08:29 PM

Quote:

Originally Posted by powerhouse2 (Post 1989209)
I have 3 intakes 3/4 with high temp rtv around them. if I put a rag in the stack it goes out quickly so I can't have to much air coming in at the lid? maybe I should just try dif charcoal first.

No matter how many intakes or outlets you have, if you have too big a fire in there it's going to get too hot. I stick by the fewer lit coals approach.

Ground Pounder 03-22-2012 09:15 PM

Where are you taking the temp at? Where is the thermo located? And is it calibrated?

sandiegobbq 03-22-2012 09:41 PM

You are at the perfect temperature at 300 degrees.

You should be so lucky.


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