Kyler Lowrimore

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since Dec 23, 2015
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Recent posts by Kyler Lowrimore

haha Eric thats a weird coincidence. I haven't been back to this forum since the last time I posted and I don't receive any notifications when someone replies to my post. You got curious two days ago and was wondering if anything ever happened and today in my mind I was thinking "I wonder if anyone thinks I caught my house on fire and thats why I haven't said anything. I should probably update my progress."
4 years ago
Okay everyone im back and in action. Sorry for the trail off, but im here to update on the current situation. I cobbed everything about halfway through and by then the weather started to warm up and I had to put a hold on the project but as it is that time again and winter is almost upon us I have started back up and plan to finish the cob this week. My previous progress including me cobbing out the whole layout about halfway up just over the pipes.

After I cobbed everything I burned in it occasionally for a few weeks but had some smoke leak issues. I turned off the lights while burning and shinned a light around the heater and noticed the whole area had sort of a fog to it. I did notice some leakage through the top lid of the barrel then I proceeded to remove the gasket I glued in and just sealed it dry with no gasket and it seemed to hold fine.Then I came to the conclusion that it could have well been the paint curing on my barrel so I let the house air out and just continued. I had used a high temperature spray meant for exhaust manifolds.

Then came the crazy amount of cracking that started going on. Mostly on the thinner areas around the firebox. So I plan to change up my recipe a bit and add some more sand with a tad less clay and fill in all the cracks and add maybe a inch or two extra to the parts that are cracking. Even though the cob is cracked in some placed it is still incredibly rock solid. I can kick/stand on a cracked edge and it doesn't even budge so im going to leave it alone and just fill it in. Next came in the mold which as soon as it dried the mold died off but still I didn't like waking up to a mold covered thing in my house so my next go around im adding a bit of borax to the water mixture. I also noticed a big gap around the barrel where it met the cob..which I understand is normal from the barrel expanding but it could also be that I have too much clay so I will fill in that gap with my new recipe. Fingers crossed.

Needless to say it has had its faults and troubles im still confident im going to make it happen and it will turn out just fine. I will update with more pictures at a later time. Again thank you for all your help!

4 years ago
Thank you! It looks a lot smaller in pictures but I plan to get a quote on taking out the staircase and putting up a spiral that will open up the downstairs area x10.
4 years ago
I really appriciate your advice Glenn, on all my posts you've been the one to help steer me in the right direction. I will probably put just a little hay in the middle and then use more in the outer layers and just wait until it dries and get it all plastered in with the lime in it! Hopefully after that il be good to go haha im putting a much larger version of this heater in my shop. I think either 10-12inch should be good
4 years ago
Also im assuming if it's drafting fine now without and actual fire that once I start burning it will only get stronger right?
4 years ago
Oh and yes I got lucky and the house was built on a concrete slab! 😃
4 years ago
Yeah I was initially planning on taking out the last two 90° turns and making it less restrictive like you mentioned but after adding up all the turns and length it came to 45ft and from what I read a 8in can go 55ft. Plus every 10-15ft of chimney adds about 5ft of extra length I can add so I just figured keeping it at 45ft would give me optimal draft. I wanted to keep it somewhat restricting so the exhaust wouldn't just fly out the chimney too fast so it has more time to release the heat into my mass considering how short it is. Hopefully it works like I planned but only time will tell.

Under the mass I have about 2 1/2 inches of clay stabalized perlite and all around the riser about 3inches of it.

The only reason im worried about the cob is because my soil seems to be a bit silty. I did a soil test in a jar and it really showed no different layers like I was expecting. I did a few test bricks and found 1 soil to 1 sand and 1/4 of clay slip made the strongest bricks so I think it may work.
4 years ago
So it has taken about 2 years since the idea of one was mentioned to me. Ever since I have been researching and reading up all I can. I went out and got the Rocket Mass Heater builders guide which let me tell you is the best. I have undergone so many trial and errors. Many revisions on where and how I wanted to do my heater. I first wanted to do 6 in then decided on 8 for a few reasons. My house is about 1400sq ft. two stories. I still have yet to put in cob but that is literally all that is left and it scares me the most. I have made many test bricks and found one that seems pretty tough so im just going to go with it. I know il get some words about having too many turns and elbows but its about 20ft+25ft worth of 90° angles. The chimney is about 25ft tall and with everything sealed it has a pretty great draft. Pulls paper down the tunnel pretty easily with no heat. Anyways I just thought id share some pictures before I cob everything since I have had a lot of help from you guys in this forum and it has been very much appreciated by me ☺
4 years ago
Getting my chimney put in tomorrow just need to fill in with the cob but I have some last minute changes im concerned about. I had to turn my barrel/firebox to make the room easier to walk around and it has made it to where my barrel to manifold exit will have to have a imidiate 90° turn. Will that effect anything? I was planning to make it a 8inch exit and then reduce it to a 6 inch (size of my system) right after to give it more room to flow since it has to turn like that.
5 years ago
Im going to try to bring it up to 20ft the best I can. I feel like that would bd about perfect. If iI cant il do more research on using bells. When the book talks about using perlite is that the same stuff that you use in your garden??
5 years ago