Author Topic: Forno Napoletano - made in Germany  (Read 3685 times)

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Offline Balilla-vero

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Forno Napoletano - made in Germany
« on: March 04, 2014, 01:46:08 AM »
Hey All,
The Idea was Born last Summer, i enjoyed the long barbecue evenings with my friends, and the idea of an own oven would not let me go...
So i searched the whole internet, to find the perfect kit for me...
I'm half Italian, my wife is a real Neapoletana , when we're all together ( I'm a only child  :-D ) we are 27 persons  :o with friends a lot more...
so it was not easy to find the right size ( i got a little problem to oversize and exaggerate  >:D ) Quality and design...
i thought to get a valoriani, Alfa or lineavz kit...But then i fell in love with a forno classico from Mario Acunto, for me the design is second to none.
I long for the whole year after the homeland. Soccer, Italian food, music... and my exaggerated patriotism help me to bridge this time.
my search led me to this forum, the topic :  Authentic Neapolitan WFO - How to build  made me to build an oven itself

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vedrai che il mondo poi ti sorriderà


Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #1 on: March 04, 2014, 02:18:52 AM »
OK, I'm not a mason oven...  I'm metal builder so it was clear as the shelter is, i also wanted to stay mobile so he got enough strong and big wheels.
The inner diameter should be 100cm, the High of the Dome 35cm...
I voted for the baking area a 50mm fire clay plate, here the data sheet (unfortunately in German) :
Datenblatt A 30 HQ
SK-Feuerfestigkeit (Segerkegel): 28 = 1640°C
Tonerdegehalt ( Al2O3 ): 30-33 %
T-Max.Dauertemperatur: 1250°C
R-Rohdichte: 1,80-1,90 ( g/cm³)
Pg-Gesamt-Porosität: 30-32 Vol.%
Po-Offene Porosität: 23-26 Vol.%
TWB-Temperaturwechselbeständigkeit: >25
KDF-Kaltdruckfestigkeit: 12 N/mm²
W-Wärmeausdehnung: 0,55-0,58 %/1200°C

As floor insulation, I chose 75mm Vermiculite-Perlite flaked, without cement and on top 75mm porous concrete plate's in germany better known under the name Ytong.
Since there is an inner ring to center the isolation and  the baking area.
« Last Edit: March 04, 2014, 02:23:12 AM by Balilla-vero »
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Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #2 on: March 04, 2014, 03:19:13 AM »
I cut the Plates with Angle Grinder and Jigsaw, that works perfectly.
The mouth of the oven door 44 X 22 cm, I had in mind that there will be problems with the heat expansion of the steel... but it works flawlessly.
Because the centered base plate, could be the soldiers very easily put to the circular... I used a refractory mortar,
despite my inexperience he could be processed very well.
At the dome I made an error, I used potting soil for the form because it was easy and cheap to get... but it is absolutely unsuitable, since larger morsels were in the earth and it could be very bad form.
after two days I removed the sand and was overjoyed after the dome was rock hard  ;D
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vedrai che il mondo poi ti sorriderà

Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #3 on: March 04, 2014, 03:50:32 AM »
For the outer insulation I opted for light concrete from Vermiculite-Perlite and cement 4:1, and sufficiently incorporated wireframe.
On the side I have at least 12.5 cm, on the dome over 20cm. The flue I saved from and plastered him with refractory mortar.
My baby was then dried from early December to late January, the outer layer of lightweight concrete was intentionally not been completely applied, because I wanted to first check if he rips somewhere.
To be honest I had abdominal pain all the time, never dreamed that it works so perfectly.
Fatte 'na pizza c'a pummarola 'ncoppa
vedrai che il mondo poi ti sorriderà

Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #4 on: March 04, 2014, 04:04:37 AM »
In early February I woke him from his slumber  :-*
and wanted to heat it slowly, but my ten year old nephew had other plans  and tried out how big you could make a fire in it 
after a tantrum a la napoletana  >:D I checked the oven and was reassured because he has remained undamaged.
the next day we made pizza for the first time, the oven heats up without problems in more than 450 ° C and keeps the heat on days.
The  :pizza: pies are perfect  :drool:
on the last pictures you can see it in its final form if I find time soon he still gets mosaic tiles around...
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Offline meatboy

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Re: Forno Napoletano - made in Germany
« Reply #5 on: March 04, 2014, 06:02:10 AM »
awesome sir! more than well done!

I hope we can bake some pies soon ;-)

Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #6 on: March 04, 2014, 08:04:25 AM »
You're welcome  :chef:
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Offline Tampa

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Re: Forno Napoletano - made in Germany
« Reply #7 on: March 04, 2014, 09:16:59 AM »
awesome sir! more than well done!

I hope we can bake some pies soon ;-)
+1.  Amazing job.  Thanks for sharing the pictures.
Dave

Offline JConk007

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Re: Forno Napoletano - made in Germany
« Reply #8 on: March 04, 2014, 09:52:47 AM »
Great Job !! You could work for Mario Acunto !  Looks very similar. Killer Casters! I see you used the lightweight Insuating block under floor which you cut to size right ? whats the thin layer between floor and iso block? what is the floor tile /hearth / Biscotti made from? Where  did you find  the blocks and the floor? great work on the surround also and chimney area!
So with out the nap and dry out  curing process , how long did the build take ?  Sorry for all the ? but you make it nice and  straight forward
Looking forward to your adventure and watching it all come together !
John
« Last Edit: March 04, 2014, 10:06:15 AM by JConk007 »
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Offline wheelman

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Re: Forno Napoletano - made in Germany
« Reply #9 on: March 04, 2014, 10:14:36 AM »
wow!  that's a fine piece of work.  thanks for showing it here.  how high is the ceiling inside? 
congratulations!
bill


Offline Tscarborough

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Re: Forno Napoletano - made in Germany
« Reply #10 on: March 04, 2014, 05:51:02 PM »
Nice work!  I am sure you will enjoy it for a long time.

Offline TXCraig1

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Re: Forno Napoletano - made in Germany
« Reply #11 on: March 04, 2014, 08:48:11 PM »
Awesome. Now get the temp up a bit .  ;D
Pizza is not bread.

Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #12 on: March 05, 2014, 01:09:14 AM »
i thank you very much, your appreciation makes me very proud  ;D

@ JConk007
The Insulation Blocks were a recommendation of an oven mason, the Blocks have become a popular building material and you can get them anywhere... meatboy said i might get problems with the material... i will see it
The Biscotto is made of rough fire clay plate's with the measured 50X30X5cm, the plate's were fixed with refractory mortar, that's the thin layer between biscotto and iso block.
The construction has lasted about 5 days, my aunt asked me yesterday whether I come one week in the Abruzzo and her also build an oven :-D

@ Wheelman
The ceiling is 35cm high

@ TXCraig1
I give my best  >:D

I am thinking to make the oven door a little deeper to get even more top heat, i would sure make a plate to screw to remain flexible...
what do you think of this idea ?
Manuel
Fatte 'na pizza c'a pummarola 'ncoppa
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Online stonecutter

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Re: Forno Napoletano - made in Germany
« Reply #13 on: March 05, 2014, 08:57:46 AM »
Nice work, looks very professional in fact.   
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Offline dheeraj

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Re: Forno Napoletano - made in Germany
« Reply #14 on: March 05, 2014, 11:58:31 AM »
wow the over certainley looks very professionally done thats nice work , the wheels looks pretty awesome.. good work

scott123

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Re: Forno Napoletano - made in Germany
« Reply #15 on: March 05, 2014, 03:06:41 PM »
Manuel, what method did you use to counteract the outward lateral force of the low dome?

Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #16 on: March 05, 2014, 03:38:15 PM »
@ scott123
shame on me, but I have not installed an extra attachment.
Maybe it was beginners luck, i even sat on it, he has not moved a millimeter.
The lightweight concrete is now reinforced with much wireframe, after completion of the oven had even survived a bumpy truck ride without a scratch.

I'll post soon even a photo of the refractory mortar, the seller praised him already because of its good properties... I can only confirm this.
Fatte 'na pizza c'a pummarola 'ncoppa
vedrai che il mondo poi ti sorriderà

scott123

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Re: Forno Napoletano - made in Germany
« Reply #17 on: March 05, 2014, 04:00:26 PM »
You sat on the dome?  :o I'm not even sure I'd do that with a fully reinforced oven.

It's such a beautiful oven and I hate to be a pessimist here, but in the battle between man vs. physics, physics wins- even if it takes some time for it to be victorious. Over time, the dome will settle and press against the soldiers- and if nothing is pressing back, if there is no opposite force, the soldiers will give.

At least, in a low dome oven, this will occur.  The dome looks like a classic NP low dome from the photos, but, perhaps the angle is not quite so severe and the force is directing a bit more downward than outward.  What's the internal dimension of the oven?

Offline Tscarborough

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Re: Forno Napoletano - made in Germany
« Reply #18 on: March 05, 2014, 04:13:55 PM »
I sat and stood on top of my unreinforced barrel, along with a load of bricks and mortar when I was building the chimney, it isn't going anywhere.

In that style the insulation is the reinforcing.  You and your date can dance on top of it.

Offline Balilla-vero

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Re: Forno Napoletano - made in Germany
« Reply #19 on: March 05, 2014, 04:18:03 PM »
@ scott123
The internal diameter is 100 cm.
the oven has a coat with 13 cm reinforced concrete around,  hope that it is enough to keep the furnace in the form.
but you're right! it was reckless because not make provisions.
but I've done some things, that I would do differently now.
Fatte 'na pizza c'a pummarola 'ncoppa
vedrai che il mondo poi ti sorriderà


 

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