Forno Bravo Forum: The Wood-Fired Oven Community

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-   -   Fire won't stay lit (http://www.fornobravo.com/forum/f16/fire-wont-stay-lit-20075.html)

lifeofpie 10-29-2013 09:06 AM

Fire won't stay lit
 
Hi everyone, I just finished my first oven and I'm having trouble keeping the fire lit. I built it to the instructions, but I think I'm having an airflow issue. Any ideas?

Wiley 10-30-2013 09:44 AM

Re: Fire won't stay lit
 
Lifeofpie,

Here are a couple of possible answers: You say just finished the WFO, so is the oven dry? If the oven is still wet/water in bricks/not dried out it won't act properly. Another possibility is the wood: how dry is the wood you are using? The problem could be a combination of the two.

You might try a draft door to improve draw. I use such a door and it causes my WFO to draw like there was a fan blowing air into the WFO. Shortens time from match to first pizza significantly as well as lessening any smoke that may want to escape out the front. Lots of postings about draft doors, check the archives.

Hope these ideas help. I'm sure others will chime in with other possibilities.

Wiley

michelevit 10-30-2013 11:46 AM

Re: Fire won't stay lit
 
Are you using kindling? Make a nice kindling pile before adding more substantial wood.

boerwarrior 10-30-2013 11:48 AM

Re: Fire won't stay lit
 
can you post pictures? Are you starting your fire near the front and only pushing it back once you have a strong fire and draw going? It is very difficult to start the fire in the center of the oven. In my oven, the fire needs to be strong and the chimney hot before I can push everything into the middle and stoke it up!

stonecutter 10-30-2013 12:06 PM

Re: Fire won't stay lit
 
Likely a wet oven as mentioned by the others. If smoke is choking out the fire, then the chimney opening is probably undersized. A small fire built close to the oven opening or a twist of newspaper to heat the flue is going to help get your draw going.

lifeofpie 10-30-2013 01:37 PM

Re: Fire won't stay lit
 
I think I was doing a bunch of things wrong. I didn't have enough kindling, too big of a log to start with plus it had about 9.5% moisture according to the meter. Pretty dry, but could be drier. I'll look up a draft door and try everyone's suggestions in the meantime. Also, I'll get a few pics up. Thanks for the help.

lifeofpie 10-30-2013 01:45 PM

Re: Fire won't stay lit
 
Oh I forgot to mention that I put in an 8" x 24" chimney so I hope that's not too small.

lifeofpie 10-30-2013 03:30 PM

Re: Fire won't stay lit
 
Here's a pic of it basically done. I also rigged up an automatic door of sorts that uses an RTD in the middle of the floor to sense the temp and then will open or close to maintain the temp. I couldn't find any info on the forums and obviously I'm not sure if it works yet. Has anyone tried this? If so, results?
https://www.dropbox.com/s/ry1tp93zs1z2u1z/photo%201.JPG

hodgey1 10-30-2013 05:26 PM

Re: Fire won't stay lit
 
My 2 cents is your wood has to be wet. If your useing kindling and get that started in the front of the oven with bigger chunks and get those going you should never have a problem. Once its going well under your chimney push it into the center of the oven it will roar as long as your woods not wet. Seasoned wood is easy to identify by looking for cracks/checking in the grain at the end of the logs. If no cracks it's not dry. It takes at least 6 months stored indoors dry to season wood in NW Pennsylvania.

lifeofpie 10-30-2013 05:58 PM

Re: Fire won't stay lit
 
Makes sense, I'll try starting the fire under the chimney and go from there.

Not sure why my picture didn't show up? Did I do something wrong?


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