rocket smoker and outdoor cooker - excerpt from "Better Wood Heat" DVDs
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- เผยแพร่เมื่อ 23 ต.ค. 2024
- richsoil.com/heat This is an excerpt from the 4-DVD set "Better Wood Heat: DIY Rocket Mass Heaters". About 30 minutes of content is smashed into 5 minutes. The final product is a small rocket mass heater, with a ground level wood feed. The variation is the hole in the top of the barrel. Since this is an outdoor creation, there is a collection of fascinating bits and bobs about this - we can build it faster since leaks won't be a problem. The hole in the top of the barrel allows us to control the heat that comes out of the system. Really good for cooking or barbeque. During the winter, we put a rock over the wood feed. Part of the video that is not shown is me trying to move the rock, but it is very frozen to the ground! With a smoker mounted over the hole, we can add apple wood. A lot of heat comes out of the hole, the apple wood gets heated to the point of smoking and the smoke goes up into the smoker.
This is a Matt Walker design. He is using a refractory cement core he built earlier. It is buried in the ground so there can be a nice, tall riser, for a good clean burn, and the cook surface doesn't end up too high. To burn the fuel entirely, we need to insulate the burn tunnel and the heat riser. Maybe even insulate the wood feed. In a conventional wood stove, the stove extracts the heat immediately, making it so the fire cannot get hot enough to do a complete burn.
You can see that matt is putting a ceramic fiber riser in this. Very light, excellent riser ... and very expensive. And he shows the duraboard being wrapped around the core to add insulation. Matt talks about adding some fiberglass mesh around the core because the refractory cement cores tend to crack. Matt points out how people like to use metal to add strength to cement, but it won't work in the cast because the expansion and contraction of the metal is different from the cement - and would destroy the core.
Matt is mixing some water with the dirt to sorta-kinda make "poor man's cob" - once dry it provides a structural material that isn't great, but it is good enough.
Matt Walker's site: walkerstoves.com
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Thanks to Dan Ohmann of The Grass-fed Homestead channel for helping me with the editing:
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This is a great option for a first step in learning about a RMH build, doing it outdoors as a smoker/grill, and once you have more experience you can build another indoors specifically as a mass heater. Making jerky with this would be pretty cool.
Love it! A great rocket stove design for those of us who want to tinker, but haven't convinced our spouses to let us tinker in the house.
excellent point!
Exactly
the dvd has a bunch of video using this in a variety of ways. including cooking some eggs with a frying pan, and a few smoking projects. And there is a bench for warming your butt!
paul wheaton what.new
do you like this sort of thing?
paul wheaton, I do! Do you have any forums I can go on out to?
I do! Wow, who knew if I said the same thing over and over it would create a pavlov response. Sorta. Kinda. A little bit.
yes!
Could you put dried chips in a pot over the hole like a smoker?
There is no soot at all?
My biomass gasifier doesn't smoke at all yet there is still a small amount of soot deposit in the flue. Obviously a TLUD gasifier doesn't burn nearly as hot as a true rocket stove hence my question.
This is an excerpt from the dvd. In the stuff in the dvd, but not in this excert there is talk about how there is still soot.