Heck, maybe I’ll build a new office from cob! That would be awesome.
#BUILDING A ROCKET STOVE FULL#
I’m tempted to build a full oven out of cob now. They showed me up, though and I’m proud of them. When they told me they were doing a re-build, I said “go for it!” though I doubted their ability to do a good job. My children also learned enough from the experience that they went on to improve what we’d created. Playing in the mud with your children is a great way to spend a rainy afternoon. The difference after my children worked on the stove is startling. I knew I shouldn’t make it so shallow but I got lazy in my desire for coffee and didn’t push through. Once the chimney was raised it became a much better stove. I liked the way the stove looked when I first built it… but physics disagreed with me.
You can’t reinvent the wheel or sacrifice good design to aesthetics. When the stove dried there were some cracks but it wasn’t anything that we couldn’t fix with an additional slip of clay – and the stove is strong and not effected by the surface fractures. All I did was dig up some clay-rich dirt and add grass cut down by a farmer across the road, then mash it together well with my feet and start building. What did I Learn from Building a Cob Rocket Stove? When I lit the newly refurbished stove I was impressed by the updraft and how the airflow improved. Here’s the video of the new and improved rocket stove, complete with a ridiculous click-bait title: My nine-year-old son took the lead and I came down the stairs that day to see that they’d raised the chimney by a good ten inches or so – and it looked nice and even as well! Since my children are above-average, two of them decided to fix the rocket stove themselves by making more cob one afternoon. I realized I got the ratio wrong but didn’t get around to fixing it, though I told my children why it wasn’t working as well as it should. I made the chimney too short, so the stove put out a lot of smoke and tended to choke up unless you kept blowing on it or the breeze was pushing in oxygen. Though I’m a connoisseur of rocket stove technology (I own both the SilverFire Hunter and the StoveTec), I overlooked something very basic when I built my cob rocket stove. The cob rocket stove probably took less than two hours to build and this was the first time I ever built anything from cob. This is what we built:Ĭob is really fun to work with – as you can see, I had a lot of fun. Once I had my materials and a tarp for mixing, it was time to build the oven. Sand would have been a nice addition but we didn’t have a car to go to the beach and get some, so clay and straw it was. I’d filmed a friend re-building a magnificent cob oven last year and asked him a lot of questions so I felt like I was up to the task of doing some simple cob.Īll I needed was clay (which is everywhere here!), some straw and a bit of elbow grease.
One day our gas ran out unexpectedly, which inspired my wife to say “hey, why don’t you make a cob rocket stove we can cook with until the new tank is delivered in a couple of days? You could do it – and film it!” We live in the mountains and cook with propane.
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