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  #51  
Old 01-08-2013, 10:07 AM
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Default Re: Rocket pot oven

Okay I think it's time for an update. During a busy weekend I had another opportunity to fire up the rocket stove and try my hand at cooking more pizza. I'll give you the details in reverse order. The pizza stone actually broke. I found that the heat was enough to cook this off the pizza stone and partially off the dome on the flower pot. I'm going to have to make some modifications to retain the heat. I'm not sure what all information you care to know about. However if you have any questions feel free to send them along. The temperature inside the oven was well over 650. That is the maximum on my little oven temperature gauge. I may have to go to the store and invest in a laser temp gauge so I can be more accurate. Fire management inside the rocket stove has been a bit tricky. If there's too much fuel it begins to smoke. I believe my burn chamber is too short and doesn't provide sufficient time for all the smoke to be consumed. At this point I am going to cut up some firebrick splits and make a new cooking surface. Step two in my plan is to insulate the dome. Probably just using Perlite or vermiculite cement mix.
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  #52  
Old 01-08-2013, 10:10 AM
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Default Re: Rocket pot oven

In the previous picture you can see some of the modifications I made to the stove. I put a Vent in the top of the pot and inserted another small flower pot. The aluminum foil is just to keep the hard surfaces from abusing each other. I have a spiffy handle on the door but it melted. So I just stuck a screwdriver in the hole. It works for now. You'll also see a picture here of my pizza stone having turned white I don't recall what the temperature requirement is for that. I believe it was 600+.
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  #53  
Old 01-08-2013, 10:15 AM
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Default Re: Rocket pot oven

And finally a picture of the mildly distorted product. I'm beginning to get the hang of cooking these things. What's better is that the bottoms didn't get scorched. At this point I think the biggest challenge is less the stove and more the cook. It may not be authentic but it sure tasted good. We also made cinnamon rolls, bananas Foster cake, and the cherries jubilee cake, the cherries Jubilee ended up burned because I just left it in there for too long.
So far this project has been a great way to learn about some of the materials used for the ovens, think I would recommend it to anybody who would want to tinker and learn about the various materials that are used. It's not very expensive and at the end of the day you can produce a pizza. I'm sure it's not as good as an authentic Pompeii but again it was a great experience. And for what it's worth I'm wonderfully humorous so I'll be making plenty jokes along the way.
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  #54  
Old 01-08-2013, 11:35 AM
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Default Re: Rocket pot oven

Hey Doc,

You're psyching me out! Please rotate your photos, they're driving me insane!
Gulf likes this.
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  #55  
Old 01-08-2013, 11:59 AM
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Default Re: Rocket pot oven

That's what we call job security. At least I know you are looking.
Believe it or not I'm trying to get the photos straight I can't seem to figure my own equipment. ( note to self... Use iPad sideways) Another problem I can help others with but can't help myself. Anyway here's a picture of my new cooking surface. It's difficult to cut around shapes straight to but you guys already figured that out.
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  #56  
Old 01-18-2013, 08:04 PM
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Default Re: Rocket pot oven

For what it's worth the oven is performing quite well. Last weekend we did some pies with the official dough recipe. They came out very well. We will give it another try on Sunday. The temp in the dome was 750+ and broke my oven thermometer. So I had to dig up an alternate. Pic attached.
Seems that a little foil insulation made a big difference. I have since used a 9-10:1 vermiculite Portland insulating layer and will see how it goes. Again a great small project to test supplies and gain skills.
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  #57  
Old 01-18-2013, 08:05 PM
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Default Re: Rocket pot oven

And we made focaccia.
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  #58  
Old 01-29-2013, 11:44 AM
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Default Re: Rocket pot oven

Well alrighty. When last we left our hero he was cooking pizza and singing the praises of his rocket stove pizza oven. Now we have an update. It seems that after a few uses the stove has become more efficient. I have been able to get the temperature well over the range of my thermometer. Have a look at the picture below. It cleared nicely and held heat quite well. I have added insulation and a chimney, which is supposed to resemble a wine bottle but I may have missed the mark on that one.
The cheap Mexican flower pot has held up very well, for what it's worth. Time will tell.
If one looks closely they can see the orange glow of the rocket emanating from below the cooking surface. Ant the Temperature gage has gone full circle. For reference the maximum reading is 750 at the bottom of the orange triangle.
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  #59  
Old 01-29-2013, 11:46 AM
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Default Re: Rocket pot oven

I almost forgot. Here's a picture of the whole stove. I still have some final render to apply. But it should give you an idea for those that care.
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  #60  
Old 02-01-2013, 11:42 AM
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Default Re: Rocket pot oven

Hi Doc! I have been thinking about doing the same thing with a flower pot and stumbled on your post. It has been great fun following your trials and tribulations all the way to ultimate success. I just want to make sure I understand your current method of heating the dome. It looks like your rocket oven is firing directly up on the firebrick and there are also heat exhausts around the circumference of the cooking surface. Also, it looks like you have your dome flower pot resting on top of another cut flower pot that is insulated with vermicrete. Am I seeing this correctly? I believe your base tower is constructed of regular brick and mortar. Do you have any concerns over not using firebrick instead? Thanks and keep the pictures and stories coming.
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