Arnie Sabatelli

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since Dec 06, 2011
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Recent posts by Arnie Sabatelli

Thanks again. Here's a few pics--the first shows what the door looked like after the copper melting bonfire. The second is the oven with a full door rebuild and added a clay/wheat glue glaze. Hoping to give it another firing pizza session soon.
5 years ago
cob
I brushed it out and it seems much better! Thanks again. I'll refrain from trying any more repairs for now and see how it fares with the next firing.
5 years ago
cob
Probably rushed the curing process. I did 2 much smaller and shorter fires two days apart before foolishly leaving son in charge while I was away for several hours....unfortunately things fall even when gently shutting the door, but I'm trying to keep fingers away.

By "brush out," do you mean brush the walls with a small whisk broom, say? I haven't. I'll give that a try, too. Thanks again.
5 years ago
cob
I'm going to try wetting it and pushing gently to see if I can get it a bit less crumbly. Then I might try to see if a layer of clay/sand plaster will take? Otherwise, I can just try cooking and see how much sand falls in my pizza! Here's what I had before its demise...
5 years ago
cob
That is the area. The entire inside wall seems quite frail. If you poke it, a small pile of it falls to the floor. Here's another angle.
5 years ago
cob
Here's what it looks like. Rusty red and very sandy/granular.
5 years ago
cob
Thanks again. My son fired it for me and burned away the sawdust/slip layer all around the front side, so he got the thing very very hot. It topped out my stover thermometer at 850 degrees when I slid it in next to the fire. I suspect that's a part of the problem, or should the clay/sand be able to handle that kind of heat. Yes, sadly, I'll likely have to rebuild. I'll mess around with patching tomorrow, with low expectations. I imagine using a wet thin mix and applying in layers will be best? Then I'll start over. Sheffield potters are about an hour away and they sell firing clay for $18/50 pound bag... That might be my next step for the first layer. Sadly the oven is a thing of beauty... I soaked/ deconstructed wood pellets for the sawdust/slip insulating layer, and it worked quite well....
5 years ago
cob
Ugh. Thanks. I did fire one brick that was mostly just building soil just for fun and it is very solid and hard, so I assumed adding sand would make it even stronger. If this means anything, the material has become very red, even though it was dark brown to begin with. Yes, a rebuild is probably the way to go, though I have lots of man hours in this sadly. I may try a clay sand slip to see if I can at least get it under control until I can make the time for a total rebuild. Probably with some purchased clay.... To make sure I've got the right stuff.

Firing questions: is there any obvious way to tell what silt/clay content is? Mine is sticky and clay like--can mold into bowls etc. would adding too much sand make it weak/crumbly if it was actually clay and not silt?
5 years ago
cob
I just built a cob oven and everything was going great. In the last firing, though, I think I may have over done the flames/heat? and now the inside is very crumbly. Just touching the wall gently sends a mini Avalanche of dried crumbly cob to the floor. Have I ruined it? Can I put a layer over it to rescue it? My soil is 50/50 clay sand. I added sand for nearly a 4:1 ratio, sand:clay. No straw for the firing layer. Any suggestions appreciated.
5 years ago
cob
I've been tinkering with a rig to get a hotter flame for boiling maple sap.. This is my first attempt-- Rocket Stove (5 gallon bucket with ash insulator, 6" stove pipe burn tube, tin can feed with tin can feed plate. Gasifer sitting on top, a piece of double-walled stainless pipe I had laying around. Some metal mesh is crammed in the bottom for fuel to rest on and holes are drilled around the top (gasifier jets). I put the gasifier on top of the hot Rocket and the thing really took off.. just few handfulls of grass pellets gave me 4 foot flames. Will try to figure out how to attach a video... (doesn't want .mov or .m4v extensions?? Will explore further. Here's screenshot...)
9 years ago