How To Fire Wild Clay In An Electric Kiln

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Andy Ward's Ancient Pottery

Andy Ward's Ancient Pottery

Күн бұрын

Пікірлер: 108
@jcknives4162
@jcknives4162 Жыл бұрын
Great video Andy. I do this a lot. I fire test tiles and fire at 5 temperatures: 017, 015, 04, 3 and 6. Usually the red clays won’t survive come 6 but to date all of the gray clays have shown no problem at cone 6. Also, my second hottest firing (cone 3) have had no over firing signs including rounded edges, shiny surfaces or sticking. I really enjoy this part of my journey and even have found some consistent color after firing at 017 that I like. Those cooler firings don’t ring as good but the color is worth it for displaying my pot. My home clay (Hyde Creek) turns a beautiful green at cone 3 and is shiny at cone 4 but turns into a puddle at cone 6. Yet at 017 is a beautiful cream color. So, for me learning both ancient pottery and making things for family and friends, this is very rewarding. I have yet to fire outside but that day is approaching fast. We will see what new facets I find on this gem of a hobby. Thank you!!!
@AncientPottery
@AncientPottery Жыл бұрын
Thanks Jeff! Sounds like you are already a pro at this method of testing clays in a kiln. That cone 017 would be about 740 C, that's about where I like to fire too.
@markgibsons_SWpottery
@markgibsons_SWpottery Жыл бұрын
Wonderful video, and interesting comment! Mr. Knives,... this is some good numbers to work with. Andy,... do you think that dark spot under the white bowl could have been the fluxes coming out onto the tile, or do you think its more a fume from the white clay? I don't like industrial stuff that much, but I could appreciate the information coming out of this experiment! Thanks again, Andy, and Thank you also Mr. Knives.
@moh33
@moh33 Жыл бұрын
thanks for sharing this! I was thinking there's a big difference between 03 and cone 6 in Andy's video, so good to hear about more variations. I'm in the beginning stages of trying to utilize wild clay and try to use a food safe glaze
@puckingery915
@puckingery915 Жыл бұрын
I feel like this is video could be in response to a question I asked almost two weeks ago, as it answered it to a tee. Thank you either way.
@AncientPottery
@AncientPottery Жыл бұрын
I have definitely had a few such questions. Hopefully this is helpful to those people.
@markgibsons_SWpottery
@markgibsons_SWpottery Жыл бұрын
This is groundbreaking stuff here! I used a glass coke bottle set next to the fire to see if I am too hot, only there is no way to correct it by the time the coke bottle starts melting, and I do believe that to be around 3000F ... If my coke bottle melted my pottery sounded hollow and empty sounding, if my bottle didn't melt, I would either have good ringy pottery or underfired, but then I would use the carbon stains to determine if it was under fired... I had many successes before leaving the hobby in 2015, and when I found this channel, it was a new spark for sure! Thank you Andy!
@AncientPottery
@AncientPottery Жыл бұрын
That's cool, the poor man's firing cone. Thanks
@davidogle9247
@davidogle9247 Жыл бұрын
Thank you for exploring this!
@AncientPottery
@AncientPottery Жыл бұрын
Glad you enjoyed it!
@eddyteea
@eddyteea Жыл бұрын
thank you! in Finland, you cannot freely burn clay anywhere. and there are no places to burn. and here nobody knows anything about natural clays. this was really helpful. renting a burning place is insanely expensive. there really is no room for trial and error. this gives a good fork to start a little more safely.
@AncientPottery
@AncientPottery Жыл бұрын
Glad you found this helpful.
@censusgary
@censusgary Жыл бұрын
Andy, thanks to you and your (presumably) camera-shy friend with the kiln for this demonstration. I didn’t even know clay could melt at such a relatively low temperature.
@AncientPottery
@AncientPottery Жыл бұрын
Ha Ha! Yes, I asked him, "do you want to be on camera?" And his answer was an emphatic "NO!"
@HipposHateWater
@HipposHateWater Жыл бұрын
@@AncientPottery Lol tell him that's understandable and his contributions were appreciated regardless :'D
@deborahdanhauer8525
@deborahdanhauer8525 Жыл бұрын
So you went and took one for the team, and used an electric kiln. You saying you weren’t picky in your choice of friends was hilarious!❤️🤗🐝
@AncientPottery
@AncientPottery Жыл бұрын
Haha, thanks!
@deborahdanhauer8525
@deborahdanhauer8525 Жыл бұрын
@@AncientPottery 🤗
@adrianwhitmore3204
@adrianwhitmore3204 Жыл бұрын
It was a great experience to fire with you Andy, and fun to visit the gourd farm!! Safe travels.
@AncientPottery
@AncientPottery Жыл бұрын
Thanks for the help.
@lindatwohig266
@lindatwohig266 Жыл бұрын
Thanks for this video. I did my first test firing outside/wood yesterday. Everything that could go wrong did. I made lots of notes and can't wait to try again. Four pots survived with heavy carbon. I know I can burn the carbon off in my electric kiln. Your video gives me a good starting point, thanks.
@AncientPottery
@AncientPottery Жыл бұрын
Keep working at it, most people's first firing is a disaster.
@juliehamer5957
@juliehamer5957 Жыл бұрын
This is great! We collected and fired wild clay in our college clay chemistry class with electric kilns the same way. I also recently fired clay I found around my house up to cone 5 with no melting at all. I was shocked it didn't melt! Thanks for the amazing video!
@AncientPottery
@AncientPottery Жыл бұрын
That's cool, glad to hear they are teaching that in college.
@PennyRitz
@PennyRitz Жыл бұрын
I've had at least three clays in my area that have fired to cone 5-6 with no difficulty. One was ready to go higher but I don't fire higher than that!
@Kargoneth
@Kargoneth 16 күн бұрын
I like the surface finish of that Mogillon Dream clay after the higher-temperature firing. Looks like it was glazed.
@chompers11
@chompers11 Жыл бұрын
awesome stuff
@AncientPottery
@AncientPottery Жыл бұрын
Thanks
@Sheepdog1314
@Sheepdog1314 Жыл бұрын
excellent - thank you
@AncientPottery
@AncientPottery Жыл бұрын
You are welcome!
@MerlossLP
@MerlossLP Жыл бұрын
"I actually have friends that use electric kiln. Yea I know I'm not very choosy about who I make friends with" hahahaah
@AncientPottery
@AncientPottery Жыл бұрын
LOL
@domimassou5457
@domimassou5457 Жыл бұрын
Very interesting video thank you
@AncientPottery
@AncientPottery Жыл бұрын
Thank you too
@MyMy-tv7fd
@MyMy-tv7fd Жыл бұрын
a very fascinating vid, there is so much to know
@AncientPottery
@AncientPottery Жыл бұрын
Truly. Thanks
@jennmorton3155
@jennmorton3155 Жыл бұрын
I regularly fire wild clay in my electric kiln, no major issues so far. I'm surprised the light coloured clay melted first. It was probably calcium carbonate that caused that. Slowly increasing the temperature in an electric kiln helps to extend the life of the elements, as wells as preventing pottery from cracking. Especially during a bisque fire when a lot of water and other gases are being released from the clay.
@AncientPottery
@AncientPottery Жыл бұрын
Thanks for the info, good to know
@lisah336
@lisah336 Жыл бұрын
What a nice friend.
@spydercolover100
@spydercolover100 Жыл бұрын
Been watching your stuff for about a week now. I've done lots of different things thanks to you, I tried refining my own clay with water ( thanks to you I know I should use a grinder and refine it dry.) I have a grinder for dry clay on the way. I like the outdoor style of doing things too. I only have brought my clay pots inside to dry over night on the heater vent. Thank you for all the knowledge and for teaching me a new skill! Btw I love your area I used to vacation in southern Arizona and would always go up north to see all the beautiful landscape.
@moranmike36
@moranmike36 Жыл бұрын
Good vid thanks
@AncientPottery
@AncientPottery Жыл бұрын
No problem 👍
@airstreamwanderings3683
@airstreamwanderings3683 Жыл бұрын
A good lesson, do something till you fail, then you no your limits or what to work on. Thanks
@AncientPottery
@AncientPottery Жыл бұрын
Words to live by, valid in many areas of life.
@Francois_L_7933
@Francois_L_7933 Жыл бұрын
I'd really love to cut one of those pots in two to see the internal structure of the clay, and especially that added sand that you use as temper. I suspect that it would be more like a porcelain or a stoneware than an earthenware.
@AncientPottery
@AncientPottery Жыл бұрын
Oh that would be interesting, thanks for that suggestion.
@llanitedave
@llanitedave Жыл бұрын
I'm glad you're not too picky about your friends, Andy! 😁 My last firing included some melting, probably at a much lower temperature than the kiln's first attempt. But a different clay worked better. That wasn't electric, but it certainly does back up your results. You have some good clay!
@AncientPottery
@AncientPottery Жыл бұрын
LOL, thanks Dave.
@coopart1
@coopart1 Жыл бұрын
Very cool video ! I have melted pots like that 😮 in my kiln and NOT on purpose!!
@AncientPottery
@AncientPottery Жыл бұрын
LOL, yes, it happens.
@novemberecho3807
@novemberecho3807 Жыл бұрын
Interesting information. I like the idea of firing like you do because I don't have the money for an electric kiln but it's fun to learn about other ways to do things.
@AncientPottery
@AncientPottery Жыл бұрын
Thanks
@GrannyGooseOnYouTube
@GrannyGooseOnYouTube Жыл бұрын
I took a standard pottery class A few years ago. One day I brought in a piece that I had made from clay from my backyard and the instructor was really worried about putting it in the kiln. He humored me though and it came out just fine. I didn't wind up glazing it but I wonder if I could have?
@AncientPottery
@AncientPottery Жыл бұрын
That's cool. Yeah a lot of places are really fussy about unknown clays because they don't want an accident.
@bondpaz
@bondpaz Жыл бұрын
❤thanks for these tips. I’m going to try experimenting with my earth oven and see what happens. That melted one looks like an eye. 😊❤
@AncientPottery
@AncientPottery Жыл бұрын
You need to reach at least 650 - 700 C to turn mud into ceramic. I hope it works for you.
@bondpaz
@bondpaz Жыл бұрын
@@AncientPottery oh yeah. That could be an issue. I’ve been able to reach 600 but that was after I pushed the hot stuff to the back. I’ll mess around. 😃👍
@AncientPottery
@AncientPottery Жыл бұрын
@@bondpaz just to make sure we are in the same page. That is 650 Celsius
@bondpaz
@bondpaz Жыл бұрын
@@AncientPottery 😂 thanks. I’m going to have to check with google to figure it out. 😁👍
@roygiehtbrock9124
@roygiehtbrock9124 Жыл бұрын
I do reenactments and I like to do things like what your doing. Not necessarily with clay but other things. To experiment with things to see if they would work. I want to learn much more of your primitive type pottery making. I have done some in the past. But hope to make some useful things that I can teach or at least show people. As of now I have a red and grey clay. I love watching you find and work the clay. I'm currently in Australia for a few more months and have my eye on the ground looking LOL . Have fun at what you do! We enjoy your videos
@AncientPottery
@AncientPottery Жыл бұрын
Thanks for watching, keep your eyes on the ground to spot clay
@ladyw6773
@ladyw6773 Жыл бұрын
Very interesting 😊
@AncientPottery
@AncientPottery Жыл бұрын
Glad you think so!
@Gounesh
@Gounesh Жыл бұрын
That joke on electric kiln friends got me!
@MrDoomperson
@MrDoomperson Жыл бұрын
Could you use the one that turned to slag/glass as a slip/outer layer on the one that handled the heat well, to get a glassy-slaglike surface for decoration?
@AncientPottery
@AncientPottery Жыл бұрын
Probably could do something cool that way
@dariosinapellido7812
@dariosinapellido7812 Жыл бұрын
Was thinking about the possibility of making glazes with lower melting point clays and higher melting point ones for the main body. Maybe flux would help.
@AncientPottery
@AncientPottery Жыл бұрын
Sounds like fun, definitely doable.
@blindpilot9403
@blindpilot9403 Жыл бұрын
As usual this is a great vlog Andy. Outdoors firing is not possible for many and this definitely helps as a starter for eKiln firing. What clay did you use for those slabs to protect the shelves? I also like to see the firing schedule for slip decorated wild-clay. Thank you for doing this.
@AncientPottery
@AncientPottery Жыл бұрын
Thanks. The slabs were Speckled Buff
@blindpilot9403
@blindpilot9403 Жыл бұрын
@@AncientPottery Thanks for the quick reply Andy. BTW another good test would be measuring the absorption and shrinkage percentage of these wild clays after different firing schedules. Looking forward to find a few " ANDY xyz123 " clay bodies on Laguna or ClayKing.
@Prindlco
@Prindlco Жыл бұрын
Love your content! I’ve been experimenting with wild clay here in central Ohio thanks to you. I’m also curious where you get your great music for these videos? So much better than all of the royalty free music I find!
@AncientPottery
@AncientPottery Жыл бұрын
Thanks! I have a subscription to Epidemic Sound, they have a fantastic selection of music.
@C-M-E
@C-M-E Жыл бұрын
I wasn't too surprised the reds survived quite well (lots of iron one would think) though the fusing to the cover shard was interesting. It's at the right temp for elemental iron to get pretty dang soft if not right at the cusp of molten. Really makes me pine for that spectrograph I've been eyeballing but can quite swallow the cost for an occasional use large ticket item to find out what kind of additive minerals are in my projects. It's rather interesting when you get into the meat of ceramics that most everything is largely variations of alumina and silica (80-90%) with the minority elements in such fine concentrations, yet they make a huge difference to the end product. A dash of iron here but not there and a few traces of sodium or potassium and you have an entirely different type of clay. Good brain grease. 😁
@fletch7189
@fletch7189 Жыл бұрын
Andy have you found any substitutes for the white slip used in black on white. Perhaps even commercial. I am from NE Kansas and have never seen a white natural clay
@AncientPottery
@AncientPottery Жыл бұрын
No, but I have been thinking about doing some experimenting on this front because I know a lot of people struggle to find a good white. My goal is to find commercial substitutes for many of the materials I use that I can suggest to people who want to try to make this kind of pottery but can't find similar local materials. I ordered some brown clay recently that I want to try but have been too busy to even get started. Now that I have moved my son to Montana I will have more time for this kind of thing.
@fouadmakhloufi1059
@fouadmakhloufi1059 Жыл бұрын
Could you please show us how to make round mug.greetings from moroco.
@AncientPottery
@AncientPottery Жыл бұрын
Here you go kzbin.info/www/bejne/oqXEpmiXnqt3p6s Thanks!
@MrPhilsfilms
@MrPhilsfilms Жыл бұрын
Hi Andy love your vids and style of teaching..xx..one question...is it ok to use sharp sand (from the builders yard) as the grog mix in my wild clay..i tried 20% but the pots cracked before they even got to the fire..now i have used 30% sharp sand in a coil pot and (3 days in ) so far so good...anyway thanks for your time and effort Andy..keep up the good work..will be firing the pot next weekend..fingers crossed..
@AncientPottery
@AncientPottery Жыл бұрын
Yes, sharp sand should work well as long as there is no limestone in the sand. I hope your firing goes well. All clays are different, some need more temper and some need less and some can't be used at all.
@aliciafaciane
@aliciafaciane Жыл бұрын
Thanks for making this video! What are your thoughts on how wild clays could affect the electric elements and soft brick? Have you heard of this concern with off gassing? Or thought about this? Curious about your thoughts and findings on this topic!
@AncientPottery
@AncientPottery Жыл бұрын
I know precious little about electric kilns so I have never heard of anything like this.
@aliciafaciane
@aliciafaciane Жыл бұрын
@@AncientPottery it's definitely something that is discussed when firing wild clay in electric kilns ...maybe another video topic ??
@AncientPottery
@AncientPottery Жыл бұрын
@@aliciafaciane I will need to do some research. Thanks for the info.
@nickulvatten1039
@nickulvatten1039 Жыл бұрын
Hello Andy! I have watched quite a few of your videos lately and im just getting into wild clay pottery. Your videos are perfect because I can get started with little to no equipment and wild clay I can find many varieties of locally and as I also dont want to mess around with glazes and pottery wheels! I am sure you have answered this already before but, I am wondering do you think it would be a bad idea to fire wild clay in a gas kiln? I am a knifemaker and already have a gas forge for heat-treatment and i would like to use it. Thank you for all the videos and dedication!
@BubuH-cq6km
@BubuH-cq6km Жыл бұрын
😎 👍🏼
@mihailvormittag6211
@mihailvormittag6211 Жыл бұрын
👍
@seamus6387
@seamus6387 Жыл бұрын
I wonder if the use of that much temper caused any problems? Still a great video. Thanks for going through all that trouble.
@AncientPottery
@AncientPottery Жыл бұрын
I doubt it, temper is, in my experience a positive thing, but hey who knows.
@alexiswaterhouse9577
@alexiswaterhouse9577 Жыл бұрын
Hi there, just checking, were the three clays that you tested just the pure wild clay or had you added temper to them?
@AncientPottery
@AncientPottery Жыл бұрын
All three were tempered with about 20% grog
@rogerdickerson6390
@rogerdickerson6390 Жыл бұрын
I've considered doing something in between. I've made various pots, and my thought was to primitive fire them in my backyard (which I can do at my convenience), then pay to have them glaze fired in an electric kiln somewhere. The question is, would the smoke clouds etc. from my primitive firing interfere somehow with glazing, or might there be any other problems of this type? Anyone have any experience with this?
@AncientPottery
@AncientPottery Жыл бұрын
Not sure that would work. But I have no experience at all with glazes
@cukadam
@cukadam Жыл бұрын
Hello. I do not have any experience with it but I have an idea. Glazes need porous surfaces to adhere to so make sure to sand them with a coarse paper after you fire them. At higher temperatures, they tend to be more porous so try to reach as high as you can. Also make sure that the oxygen is reaching the pots, not blocked by the fuel, wood etc. Otherwise the surface will be sealed with the smoke in reduced environment. Finally make sure the glaze firing is as slow as usual electric kiln bisque firing just to be safe for any thermal shock problems. Hope it works..:)
@tombraun7235
@tombraun7235 Жыл бұрын
I guess you could make a glaze from the clay that melted by just adding water. Do you know what’s fluxing it so much? As far as I know the clay companies are adding talc and lithium to make low fire clays.
@AncientPottery
@AncientPottery Жыл бұрын
Yes, I have a friend who uses wild clays to make amazing glazes. No idea what the fluxes are, no doubt that varies from clay to clay. The one that completely melted is full of calcium carbonate
@chrisinkansas8507
@chrisinkansas8507 Жыл бұрын
Back before I knew what calcium carbonate could do to a pot, I fired some pots in a kiln to 1600F and, well, found out. They made great Chia pets, then fell apart.
@AncientPottery
@AncientPottery Жыл бұрын
Oh my! I heard from a woman in Kansas recently that there was a lot of caliche there
@chrisinkansas8507
@chrisinkansas8507 Жыл бұрын
@@AncientPottery That could be. In the central Kansas area I frequent, most of the upland clays I've sampled have some levels of calcium carbonate, I'd guess in calcite form. Testing in a kiln does a great job of sorting out which clays will handle higher temps.
@jasonpaints2008
@jasonpaints2008 Ай бұрын
Are there ways to extend the firing tempurature of a wild clay?
@AncientPottery
@AncientPottery 25 күн бұрын
As far as I know the only way to do that would be to mix it with a higher firing clay.
@redrackham6812
@redrackham6812 Жыл бұрын
Great video. I know you only do earthenware, but did you happen to test whether the test pots vitrified after the cone 03 firing?
@AncientPottery
@AncientPottery Жыл бұрын
No, but that would another interesting test. Thanks
@dejangaletic7884
@dejangaletic7884 8 ай бұрын
Did you ever fire wild clay up to cone 8 or 9?
@martybeard6714
@martybeard6714 Жыл бұрын
Love your videos! Could I pay you if I sent you a sample of my ND Missouri River clay so you could tell me how much sand to add to get good results? Thank you
@AncientPottery
@AncientPottery Жыл бұрын
Ha ha, no way! I don’t even want to open that Pandora’s box. Can you imagine, I would start getting clays sent to me from all over and all my time would be spent testing different clays. Not fun. Here is how you do it How to Test & Evaluate a New Wild Clay Source kzbin.info/www/bejne/omW0m36PhZiZfc0
@DavidOwenCreates
@DavidOwenCreates Жыл бұрын
I'm interested in the wild fire so this is so interesting that your viewers want something that you don't normally do.... so odd to me!!!
@AncientPottery
@AncientPottery Жыл бұрын
Different people watch my videos for different things. Some are just interested in wild clay, others are just interested in outdoor firings, others is coil building, etc.
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