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Rocket stove Easy bake oven

 
rocket scientist
Posts: 6322
Location: latitude 47 N.W. montana zone 6A
3199
cat pig rocket stoves
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Hi All;    
Started on a new project after stove chat the other day.
Matt Walker suggested, that on my new dragon tech  batchbox doors.
I might want to find a way to Bake the high heat paint on before shipping.
He thought some buyers might have a problem with stinky paint curing in their home during the first burn.

According to the can of 2000F header paint. Freshly painted metal should be brought up to 200F & then cooled for 20 minutes.
Then it is brought up to 400F & then cooled for 20 minutes, finally it is brought up to 600F as a final cure on the paint.

To accomplish this I am designing my new easy bake oven (a no lightbulb version)
Built almost entirely from salvaged pieces on hand.... in the back 40 scrap yard!
I had a large cast iron tub with door from a Victorian estate stove. One side has a 20" hole that the riser will poke thru.
By flipping it upside down and remounting the hinges. I formed the basis for my oven.
A used angle iron frame was perfect size to sit the tub on. Tomorrow I'll extend the legs to bring it up to riser height.
I used my Skamal insulated firebricks to fab a 6" J tube .
The riser is a section of metalbestos insulated chimney.
I'll use a piece of Morgan superwool over the top of the oven to insulate it.

More photo's to follow.







20201203_095818.jpg
Scrap cast iron
Scrap cast iron
20201203_095914.jpg
the original door
the original door
20201203_123827.jpg
on the angle frame
on the angle frame
20201203_123845.jpg
door drilled and ready to remount
door drilled and ready to remount
20201204_145429.jpg
remounted door
remounted door
20201204_145420.jpg
Original draft door to be new chimney
Original draft door to be new chimney
20201205_140327.jpg
6" J
6" J
20201205_140315.jpg
Insulated Skamal firebrick 6" J tube rocket
Insulated Skamal firebrick 6" J tube rocket
 
thomas rubino
rocket scientist
Posts: 6322
Location: latitude 47 N.W. montana zone 6A
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Got the stand made up and got the bottom firebrick bedded in sand!
Now I mix up a batch of mortar and start stacking brick!
20201208_113220.jpg
[Thumbnail for 20201208_113220.jpg]
20201208_113233.jpg
[Thumbnail for 20201208_113233.jpg]
 
thomas rubino
rocket scientist
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Location: latitude 47 N.W. montana zone 6A
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A 6" J tube is 5.5" wide...  2x6 planed lumber is 5.5 " perfect as a form board!
Clay sand mortar and sand as a backfill.  The whole core will be covered in a clay cob when I'm done but for now its burning!
I'll get the oven on top as soon as I have help.
20201208_140512.jpg
[Thumbnail for 20201208_140512.jpg]
20201208_142422.jpg
2x6 form board
2x6 form board
20201208_152705.jpg
Wala one 6" J tube up and running!
Wala one 6" J tube up and running!
20201208_152840.jpg
Sopping wet just over freezing Burning great!
Sopping wet just over freezing Burning great!
 
thomas rubino
rocket scientist
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And today I got the oven on top of the frame.
I have ceramic blanket over the top and sides and sheet metal over that.
Some nice flat rock to hold the metal down and its time to light it off!

Ignition went very well and before long I had a rocket launch on my hands! Its so cool the way an unrestricted J tube roar's!
Even now hrs later the Skamals still have moisture steaming off.
Without trying very hard I had the easy bake over 440F .

I need to bury the core, in a cob mix. To really seal it up 100%. That should send me up over 500F and headed for the 600F I'm hoping for!
20201212_113437.jpg
on the stand
on the stand
20201212_113448.jpg
on the stand
on the stand
20201212_113504.jpg
The dragon roar's
The dragon roar's
20201212_114456.jpg
superwool in place
superwool in place
20201212_122555.jpg
Sheet metal on top
Sheet metal on top
20201212_122602.jpg
let it snow
let it snow
 
Rocket Scientist
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Looks like a hillbilly Star Wars imperial Walker!

A little modest roof over it and you'll be set for baking paint on doors in any condition.

Great job Thomas.
 
steward
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Location: Coastal Salish Sea area, British Columbia
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great job thomas!!

Where are the photos with a bubbly cheesey pizza, hot out of the oven? Have you cooked anything in it yet?
 
thomas rubino
rocket scientist
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Hi Jordan;   I built this oven to bake the high heat paint on my batchbox doors that I am building for sale.  So not to many bubbly cheese pizzas will be coming from this stove.
I do have my large outdoor wood smoker that I cook in all the time, including bubbly cheese pizzas!
20200926_183521.jpg
smoked pizza
smoked pizza
 
thomas rubino
rocket scientist
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Location: latitude 47 N.W. montana zone 6A
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Tried out the easy bake today!
And the first door gets baked !
I never even smelled the paint curing.
Took a bit to get the door up to 600F but it got there

My J tube core will burn hotter, faster after it is buried in cob.
20201228_122148.jpg
baked door ready to go
baked door ready to go
20201228_122158.jpg
6" J tube core needs cob to seal it up.
6" J tube core needs cob to seal it up.
 
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