#11  
Old 04-03-2008, 12:37 AM
Il Pizzaiolo
 
Join Date: Dec 2006
Location: Mishigame & Iberia
Posts: 1,168
Default Re: Ferro Cement Pizza Oven

Innovations! You've really have quite a cooking complex!

Do you do July 4th pyrotechnics too?

ps...How do you avoid voids in your ferrocement?
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  #12  
Old 04-03-2008, 03:59 PM
Apprentice
 
Join Date: Oct 2007
Location: SC usa
Posts: 126
Default Re: Ferro Cement Pizza Oven

[QUOTE=Xabia Jim;28413]
Do you do July 4th pyrotechnics too?

QUOTE]

Jim,
How'd you know?
Attached Thumbnails
Ferro Cement Pizza Oven-fireworks-boat.jpg   Ferro Cement Pizza Oven-fireworkboat2.jpg   Ferro Cement Pizza Oven-fireworkboat3.jpg   Ferro Cement Pizza Oven-boat-launch-.jpg   Ferro Cement Pizza Oven-boat-launch2.jpg  

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  #13  
Old 04-03-2008, 10:51 PM
Journeyman
 
Join Date: Oct 2007
Location: Fethiye Turkey
Posts: 265
Default Re: Ferro Cement Pizza Oven

Now that's what I call 'pushing the boat out'....................

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  #14  
Old 04-03-2008, 11:41 PM
Il Pizzaiolo
 
Join Date: Dec 2006
Location: Mishigame & Iberia
Posts: 1,168
Default Re: Ferro Cement Pizza Oven

Damn....looks like some nice homebrews too!

I've got a picture somewhere that looks like that boat.....we used phone wire and a battery to remotely set them off from shore....brings back memories.
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  #15  
Old 04-04-2008, 12:08 AM
Il Pizzaiolo
 
Join Date: Jan 2007
Location: Tampa, FL
Posts: 1,446
Default Re: Ferro Cement Pizza Oven

CVD, I hope you signed the waiver stating all those fireworks were for aggricutural work (scaring away birds from your crops)......wouldn't want to see the next series of pics with flashing lights and you in cuffs.

RT
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  #16  
Old 04-04-2008, 07:29 PM
Apprentice
 
Join Date: Oct 2007
Location: SC usa
Posts: 126
Default Re: Ferro Cement Pizza Oven

well, amazingly, everything on the boat is legal in this state ...plus one of those boat toters is the assistat DA here in the county, so I think I'm covered against the blue light special.

X Jim... same basic theory except we have a multistrand telephone cable that connects to our launch panel which we take out in a peddle boat with us. Our cable is only 30 feet long and the two boats end up drifting a lot closer no matter how well we put out anchors. We've talked about installing a blast shield to protect us but just haven't got that far yet. Last year we had a couple mortars misfire that got just a little too close, plus a little excitment with flaming debris in the back of the peddle boat. We've done this past 5 years and it gets bigger every year, a real neighborhood event... last year, I made new elctronic fuses so our sucess firing was up much higher than when we bought the fuses. the show last about 30 minutes and we pass the hat to defray the costs.
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  #17  
Old 10-25-2008, 03:45 PM
Serf
 
Join Date: Aug 2008
Location: California
Posts: 4
Default Re: Ferro Cement Pizza Oven

Craig,

You inspired me...after toying with different materials and methods (long ago determined I did not want to do a brick oven for this one), I stumbled upon this thread. And, last weekend, we "poured" the ferro cement for a 42" diameter dome (20" at highest point). It's been curing for 7 days now, under a substantial layer of damp drop clothes (in SF Bay Area where it's still in the 80's and very dry).

Next weekend, it's insulating blankets and vermicrete installation, and then hopefully a mortar or stucco layer before the rains come.

A couple of questions for you in light of your experience...

1) Any suggestions on how long to wait before I start firing the oven?

2) Any suggestions on how to fire it once I start (should I follow the same schedule as the brick ovens building it up over a week or so)?

3) In terms of a dome liner - I'm still playing with that. Do you think the ferro cement needs a protective liner?

Thanks for your help!

-Geoff
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  #18  
Old 10-25-2008, 09:04 PM
Apprentice
 
Join Date: Oct 2007
Location: SC usa
Posts: 126
Default Re: Ferro Cement Pizza Oven

Quote:
Originally Posted by gmhash View Post
...

1) Any suggestions on how long to wait before I start firing the oven?

2) Any suggestions on how to fire it once I start (should I follow the same schedule as the brick ovens building it up over a week or so)?

3) In terms of a dome liner - I'm still playing with that. Do you think the ferro cement needs a protective liner?

Thanks for your help!

-Geoff

Geoff,

How long to wait: The longer that concrete can cure, the stronger it is. Nearly maximum strength is achieved by day 28... anything beyond that is not measurable.
My dome cured for ~9 months ...just because it was a project that got sat aside while I worked on other things.


How to fire it the first times: I kinda followed the brick oven suggestions, but have to admit that I pushed it on a lot faster schedule. Doesn't seem to affected my dome.

To line or not to line: That is the question! Honestly, I don't know if its really needed. Instinctively, I figure it can't hurt and may protect the ferrocement longer. My lining is 4 parts sharp sand, 1 part fireclay, 1 part powdered kaolin clay (high alumina content) & 1 part type N portland. My real concern was that the lining would delaminate, but haven't seen any evidence of it.

You see my other ferrocement project on here?
http://www.fornobravo.com/forum/f36/...ject-3464.html (SPRING!!! and a new project)
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  #19  
Old 10-25-2008, 09:34 PM
Peasant
 
Join Date: Jun 2008
Location: Springfield, MO
Posts: 46
Default Re: Ferro Cement Pizza Oven

pics? Did you pour it upside down or no? Did you pour it "in place" as they say, or somewhere else to be moved later on site?
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  #20  
Old 10-25-2008, 10:01 PM
Serf
 
Join Date: Aug 2008
Location: California
Posts: 4
Default Re: Ferro Cement Pizza Oven

Wow CV. Very impressive. I envision some incredible partys at your place. If you're ever out her (Nor. Calif.), let me know...we too do some pig roasts, though only manage to do one or two a year. Still cleaning up from this years - a couple of weeks ago. First year we did it in a Caja China. This year we did it on a rotisserie.

I'm tempted to copy your chiminea idea too. We have a fireplace next to the WFO currently, but it's the "leaning tower of Oaktown."

I will start a separate thread and post pics of my ferro cement adventures tomorrow. In short though, I poured mine in place, right side up. My opening is 20" wide. I'm not huge, but I'm not small either. All I can say is thank god for help from little brothers (literally and figuratively). My youngest brother has been helping and his shoulders were just narrow enough to get inside the opening to finish off the inside. Lucky me (to have him and to have avoided that part). I think I'll have to bring him back next weekend to do the liner though!

More tomorrow on a new thread "Ferro Cement Pizza Oven - Secondo".

-g
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