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!!!!!!!!! Dragon Transformation 8" J tube to 6" Batch Box

 
gardener
Posts: 3685
Location: latitude 47 N.W. montana zone 6A
1003
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Hi All;
Today was the day. After seven years,  I retired our beloved 8" J tube!
Yesterday I completed the door for the 6" batchbox that will proudly step up and take her place.
With the metal work completed .That freed me up to start her transformation.
I got her completely emptied out. Did a complete inspection(autopsy) of all all her internals.
After seven years of  hard burning she was in perfect condition!  Could have happily continued for another seven years!
A few cracked brick that were hurting nothing, the perlite clay riser was in perfect condition. Burn tunnel was perfect condition.

I saved out a handful of firebricks and started filling in the box.
All the cob from my barrel and all the cob that I had saved from a rebuild. Plus some new perlite fireclay to top it all off!

Tomorrow I can lay the secondary tube down and start building the box around it!
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Our Beloved 8" J tube
Our Beloved 8" J tube
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8" J tube
8" J tube
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And so it begins
And so it begins
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Fiberglas wrap visible
Fiberglas wrap visible
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ready to lift off the barrel
ready to lift off the barrel
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walla one hidden riser
walla one hidden riser
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look ma shes got no riser on
look ma shes got no riser on
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Filling in the hole
Filling in the hole
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R.I.P. 8" J tube
R.I.P. 8" J tube
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Ready for what comes next
Ready for what comes next
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Used 8" riser looking for new home
Used 8" riser looking for new home
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Lots of miles left on her
Lots of miles left on her
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New door
New door
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new door
new door
 
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Posts: 1233
Location: Westbridge, BC, Canada
316
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Lots of great information to learn from here Thomas.

1) The fiberglass mesh buried within the cob around the barrel seems to be in very good condition and still able to do its job in keeping this area from crumbling apart from all the years of expansion/contraction between steel and cob.

2) The barrel looks like it only has surface rust on it and could survive a lot longer as well. For those that have a bench made out of half barrels, this is a good reassurance.

3)  For those that have a properly made perlite/clay riser, it can still be considered a very good option if you want to keep costs down.

4) That door is going to look great once installed!
 
thomas rubino
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Posts: 3685
Location: latitude 47 N.W. montana zone 6A
1003
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Hi Gerry: Thank You!
Yes, the mesh worked perfect!  It is the thing to do if you want to have a partially cobbed barrel!
The 55 gal barrel will get a lite sanding and a blast of high heat paint. It had paint seven years ago... can't imagine where it went...
I would love to find a local home for that riser it is in perfect shape. Now that I know about 5 & 6 minute risers I can't see using it here again.

Made good progress today.
Got the secondary air tube placed. Got a firebrick floor put down.
Made up a form box for when I mortar the bricks in.
Discovered that my Skamal insulated bricks will fit perfectly between the firebrick and the red clay decorative brick surround.
Got my 6 minute riser cut.  And did a partial mock up to see how it all fits together.
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Gerry Parent
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Posts: 1233
Location: Westbridge, BC, Canada
316
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Great progress Thomas!  

Are you going with firebricks for the roof also or using a piece of cf board?
If your going with bricks, looks like there is about 1/4" of a ledge on each side to support them?
 
thomas rubino
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1003
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Hi Gerry;
I'll use 1" CF board as a roof and then I will use red brick over that.
You may notice how long the secondary air tube is.
I built it long so it can be cut to fit once the new door is mounted.
Currently mulling over, ways build a brick box to sit the back of the barrel on.
Maybe have to get more red brick!   You can't have too many!
 
thomas rubino
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Not a lot of time today but I started mudding things into place.
Needed to keep my form in place to make sure that my door fit!
Then I brought the door itself in, just to see it in place!
The orange bricks will not be mudded at all.
The red clay bricks will be Portland cemented as a secure outer shell for the box.
Off to the big city of Sandpoint tomorrow. I'm thinking 50 more red bricks and a new sack of mortar mix needs to come home.
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thomas rubino
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Posts: 3685
Location: latitude 47 N.W. montana zone 6A
1003
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Had an idea this evening; See if I could cut the cob above the transition area flat and use that to bring my brick around.
2 minutes with a carpenters saw made a great start!  As long as I can just follow that around. I will have a great base to put brick on and come up high enough to place my barrel
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thomas rubino
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1003
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Things are coming along nicely!   Got a fair amount done today.  
Couple more days and it will be ready to light off!
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thomas rubino
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Location: latitude 47 N.W. montana zone 6A
1003
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Today I got very close!
All that's left is to mud in the door.
Drill and set two tapcon masonry bolts to make sure the door stays attached!
Clean out last years ashes, seal up the cleanout door.
And build a fire !!!
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looking good
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thomas rubino
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And here it is starting to dry out!
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gift
 
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